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==Combat Stages==
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{{CombatPortal}}
For most combat engagements, the battle will begin in day combat and follow the following set of stages. Several stages will not occur unless certain conditions are met. For Event maps, a [[Combined Fleet]] mechanic has been implemented which follows a modified combat order.
+
Combat is a major component of the game in Kantai Collection. Combat is accessed through the [[Sortie]] menu by selecting a map to send a fleet. Multiple mechanics weave together to create an intricate combat dynamic. For more detailed explanations on the various combat mechanics, please see the individual pages below. [[Exercises]] also consist of one surface combat.
{| class="wikitable"
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 +
=Combat Phases=
 +
On each node, combat will consist of several "Combat Phases". The number of combat phases depends on the node type, with each node type using a different set of combat phases and order.
 +
*''See [[Node]]s for more details.
 +
*Using a [[Combined Fleet]] will also affect the phases, especially during the shelling.
 +
 
 +
The combat phases are made out of:
 +
{|class="wikitable"
 +
!colspan=3|☀ [[Day Battle]]
 +
!rowspan=2|{{NBPower}} [[Night Battle]]
 
|-
 
|-
! scope="col" style="width:101px; text-align:center;" |Stage
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!rowspan=2|{{LOS}}<br>[[Detection]]
! scope="col" style="width:634px; text-align:center;" |Notes
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!{{Aircraft}} [[Aerial Combat]]
 +
!{{Firepower}} Surface Combat
 
|-
 
|-
|[[Combat#Formation_Selection|Formation Selection]]
 
|With 4 or more ships in a fleet, a fleet formation must be selected before combat. The selected formation affects ship damage, hit rate, and defense.<br/> This step is skipped if you have 3 or fewer ships.
 
|-
 
|[[Combat#Detection|Detection]]
 
|Requires planes or high detection stat (usually from RADAR).<br />Success increases accuracy and evasion.<br />Failure prevents participation of allied planes in the aerial combat phase (and will result in your Air Superiority value treated as 0).<br/> If no message is shown, it is treated as a failure.
 
|-
 
|[[Combat#Aerial_Combat|Aerial Combat]]
 
|Participants: [[:Category:Light Carriers|CVLs]] and [[:Category:Standard Carriers|CVs]] equipped with attack or bomber planes; [[:Category:Aviation Battleships|BBVs]], [[:Category:Aviation Cruisers|CAVs]], [[:Category:Seaplane Tenders|AVs]], and [[:Category:Submarines|SSVs]] equipped with seaplane bombers; some enemy-specific ship classes <br />If a side achieves Air Superiority or Supremacy in this stage, that side can use [[Combat#Artillery_Spotting_.28Post-Cap_Modifier.29|Artillery Spotting]]. <br/>All ships capable of launching attack or bomber planes will launch them in this stage (unless Detection is failed), regardless of current HP status.
 
|-
 
|[[Combat#Opening_Stages|Opening Stages]]
 
 
|
 
|
;Expedition Supporting Fire
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#LBAS's [[Jet Assault]]
Supporting Fire from Sortie [[Expedition#Support_Expeditions|Support Expeditions]]. This has an aspect of randomness and may not trigger.
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#Fleet's [[Jet Assault]]
 
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#[[LBAS|Land-Based Aerial Support]]
;Opening Torpedo Salvo
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#[[Air Power|Stage 1 - Battle for Air Superiority]]
Participants: [[:Category:Submarines|SS]] over level 10, ships equipped with {{Template:TorpedoWeapon}}[[Type A Ko-hyoteki]] ([[:Category:Torpedo Cruisers|CLTs]], [[:Category:Seaplane Tenders|AVs]], [[:Category:Submarines|SS]]) and enemy [[Battleship Re-Class#Elite|Battleship Re-Class Elite]]. <br/>All participants fire their torpedoes simultaneously. <br/>Unlike Closing Torpedo Salvo, a ship can launch a torpedo in this stage even when current HP is less than or equal to 50% of Max HP.
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#[[Anti-Air|Stage 2 - Fleet Anti-Air Defense]]
 
+
#[[Airstrike|Stage 3 - Airstrike]]
;Engagement Form
+
|
The orientation of the allied and enemy fleets is displayed. The engagement form affects both fleets equally.
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#[[Engagement]]
|-
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#[[Support Expedition]]
|[[Combat#Day_Combat|Day Combat]]
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#[[Battle Opening]]s
 +
#[[Shelling|1st Shelling Phase]]
 +
#[[Day Battle#Second Shelling Phase|2nd Shelling Phase]]
 +
#[[Closing Torpedo Salvo]]
 
|
 
|
;Shelling, 1st Round (Range Order)
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#[[Friendly Fleet]] (event only)
Participants: All ships except [[:Category:Submarines|SS]], [[:Category:Light Carriers|CVLs]] and [[:Category:Standard Carriers|CVs]] not carrying any offensive planes, and basic [[Transport Ship Wa-Class]]. <br/> Firing order alternates between allied and enemy sides starting with allied. For each side, ships with higher range have priority. The firing order is set at the start of each shelling phase. Any ships sunk or incapacitated before their turn is simply removed from the firing order; allied ship do not replace into that slot.
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#[[Support Expedition]]*
 
+
#[[Night Battle#Night Contact and Spotting|Night Contact and Spotting]]
;Shelling, 2nd Round (Lineup Order)
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#[[Night Battle#Night Shelling Phase|Night Shelling Phase]]
Participants: All ships except [[:Category:Submarines|SS]], [[:Category:Light Carriers|CVLs]] and [[:Category:Standard Carriers|CVs]] not carrying any offensive planes, and basic [[Transport Ship Wa-Class]]. <br/> Firing order alternates between sides in the lineup order.
 
 
 
Only occurs when either side has a [[:Category:Battleships|BB]], [[:Category:Aviation Battleships|BBV]], or the enemy has one of the special ship classes (鬼 ''Oni''/Ogress, 姫 ''Hime/''Princess) which acts like a BB/BBV: {{nihongo|[[Destroyer Princess]]|駆逐棲姫}} does not, while {{nihongo|[[Battleship Princess]]|戦艦棲姫}} does. The distinction between [[Enemy Vessel#Bosses|Bosses]] that do and those that do not trigger this phase is not always clear from their names.
 
 
 
;Closing Torpedo Salvo
 
Participants: [[:Category:Destroyers|DDs]], [[:Category:Light Cruisers|CLs]], [[:Category:Torpedo Cruisers|CLTs]], [[:Category:Heavy Cruisers|CAs]], [[:Category:Aviation Cruisers|CAVs]], [[:Category:Seaplane Tenders|AVs]], [[:Category:Submarines|SS]], [[Bismarck#Third Upgrade|Bismarck drei]], [[Battleship Re-Class]], some enemy-specific ship classes; Requires current HP > 50% of Max HP and Base Torpedo Value > 0
 
 
 
Like the opening torpedo salvo, all participants attack simultaneously.
 
|-
 
| [[Combat#Night_Combat|Night Combat]]
 
| Participants: All ships except [[:Category:Light Carriers|CVLs]], [[:Category:Standard Carriers|CVs]], and basic [[Transport Ship Wa-Class]]. Enemy [[Standard Carrier Wo-Class]] and [[Light Carrier Nu-Class]] of flagship level or higher can attack at night; Requires current HP > 25% of Max HP
 
 
 
The first slot allied ship attacks, then the first slot enemy ship attacks, and so on. Similar to shelling phase, if a ship is sunk or critically damaged, the game will skip its turn.
 
 
|}
 
|}
 
For certain nodes and events, combat begins in the Night Combat stage, then proceeds to Day combat if certain conditions are met.
 
  
 
==Formation Selection==
 
==Formation Selection==
With 4 or more ships in a fleet, a fleet formation must be selected before combat. The selected formation affects ship damage and hit rate.
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If the fleet currently deployed has 4 or more ships, the player will be prompted to pick a fleet formation before every battle. Fleets with 3 or less ships will not have a fleet formation prompt and will default to '''Line Ahead'''.
 +
* Sunk ships and ships [[Evacuation|evacuated]] with a {{EquipmentLink|Fleet Command Facility|Striking Force Fleet Command Facility|Elite Torpedo Squadron Command Facility|text=Command Facility|link=Evacuation}} are not counted.
 +
* Diamond Formation requires 5 or more ships present in the fleet to be selected.
 +
* Enemy fleets do not have these restrictions. Enemy fleets in Diamond formation with fewer than 4 ships lack formation graphics on the battle screen.
 +
Combined Fleets have special [[Combined Formation|formations]] that differ from the standard single fleet ones.
  
===Formation Modifier===
+
{|class="wikitable" style="text-align:center"
{| class="wikitable"
+
!rowspan=2 colspan=2|Formation
 +
!colspan=3|Shelling
 +
!colspan=3|Torpedo
 +
!colspan=3|Anti-Submarine
 +
!colspan=3|[[Night Battle]]
 +
!rowspan=2|AA
 +
!rowspan=2|[[Flagship Protection]]
 +
!rowspan=2|Notes
 
|-
 
|-
! scope="col" style="text-align:center; width:310px;" |Formation
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!Damage!!Accuracy!!Evasion
! scope="col" style="text-align:center; width:69px;" |Formation Icon
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!Damage!!Accuracy!!Evasion
! scope="col" style="text-align:center; width:64px;" |Surface Damage Modifier
+
!Damage!!Accuracy!!Evasion
! scope="col" style="text-align:center; width:64px;" |Anti-sub Damage Modifier
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!Damage!!Accuracy<ref>Measured and corroborated with Vita values.</ref>!!Evasion
! scope="col" style="text-align:center; width:64px;" |Anti-air Modifier
 
! scope="col" style="text-align:center; width:68px;" |Day Shelling Hit Rate
 
! scope="col" style="text-align:center; width:68px;" |Day Torpedo Hit Rate
 
! scope="col" style="text-align:center; width:68px;" |Night Battle Hit Rate<ref name="NBacc">Source: [http://kankoregouchin.blog.fc2.com/blog-entry-37.html '''艦これ-チラ裏検証- '''][http://kankoregouchin.blog.fc2.com/blog-entry-37.html / 夜戦陣形と命中回避] (Jan 1, 2015). Currently the hit rates only apply on nodes starting with night battle (eg. [[World_5:_%E5%8D%97%E6%96%B9%E6%B5%B7%E5%9F%9F#World_5-3:_.E3.82.B5.E3.83.96.E5.B3.B6.E6.B2.96.E6.B5.B7.E5.9F.9F_Sav_Island|5-3-C]]). In addition, please be aware that given limited sample sizes from the exp't, the measured hit rates by using different formations are NOT differing on a large scale, thus using "higher / lower" not simply "high / low".
 
</ref>
 
! scope="col" style="text-align:center; width:68px;" |Flagship Protection Rate
 
 
|-
 
|-
| Line Ahead<br />{{Nihongo|単縦陣|''Tanjuu-jin''|}}
+
|width=140px|Line Ahead<br>{{Nihongo|単縦陣|''Tanjuu-jin''}}
| <center>{{LineAhead}}</center>
+
|{{LineAhead}}
| style="text-align:center;" |100%
+
|style="color:red"|'''100%'''
| style="text-align:center;" |45%
+
|100%
| style="text-align:center;" |100%
+
|100%
| style="text-align:center;" |Medium
+
|style="color:red"|'''100%'''
| style="text-align:center;" |High
+
|style="color:red"|'''100%'''
| style="text-align:center;" |Higher
+
|100%
| style="text-align:center;" |Low
+
|60%
|-
+
|100%
| Double Line<br />{{Nihongo|複縦陣|''Fukujuu-jin''|}}
+
|100%
| <center>{{DoubleLine}}</center>
+
|100%
| style="text-align:center;" |80%
+
|style="color:red"|'''100%'''
| style="text-align:center;" |60%
+
|100%
| style="text-align:center;" |120%
+
|100%
| style="text-align:center;" |High<ref name="DL_SAcc">Source: [http://bs-arekore.at.webry.info/201412/article_2.html '''半製造BSアレコレ雑記帳''' / 「艦これ」砲撃命中率について・複縦陣 中間報告]'' (Dec 5, 2014). If more relevant sources are discovered please add them in.''
+
|45%
</ref>
+
|
| style="text-align:center;" |Medium
 
| style="text-align:center;" |Medium
 
| style="text-align:center;" |Medium
 
|-
 
| Diamond<br />{{Nihongo|輪形陣|''Rinkei-jin''|}}
 
| <center>{{Diamond}}</center>
 
| style="text-align:center;" |70%
 
| style="text-align:center;" |90%
 
| style="text-align:center;" |160%
 
| style="text-align:center;" |Medium
 
| style="text-align:center;" |Very Low
 
| style="text-align:center;" |?
 
| style="text-align:center;" |High
 
|-
 
| Echelon<br />{{Nihongo|梯形陣|''Teikei-jin''|}}
 
| <center>{{Echelon}}</center>
 
| style="text-align:center;" |60%
 
| style="text-align:center;" |75%
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Medium
 
| style="text-align:center;" |Low
 
| style="text-align:center;" |Lower
 
| style="text-align:center;" |Medium
 
|-
 
| Line Abreast<br />{{Nihongo|単横陣|''Tan'ou-jin''|}}
 
| <center>{{LineAbreast}}</center>
 
| style="text-align:center;" |60%
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |High
 
| style="text-align:center;" |Very Low
 
| style="text-align:center;" |Lower
 
| style="text-align:center;" |Medium
 
|}
 
*The surface damage modifier applies to both shelling and torpedo attacks, but does not affect Aerial Combat or Anti-Submarine attacks.
 
*Diamond Formation is only selectable as a formation with 5+ ships.
 
*'''Flagship protection''' is the situation where a non-flagship ship protects the flagship from being damaged by receiving the attack instead.
 
*Line Ahead has the highest offensive power for surface combat. It is the default choice for encounters after the 3rd battle node to preserve firepower because of the remaining ammo penalty.
 
*Double Line is generally a good formation for heavy BB/CV fleets. There is a significant accuracy increase that benefits the typically lower accuracy carriers, while BB often still have enough firepower.
 
*Line Abreast is the best formation for anti-sub purposes.
 
*Echelon has not been tested extensively, but it is hypothesized to be a defensive formation for submarines.
 
 
 
==Detection==
 
*Fleet LOS affects Detection rate.
 
*Success increases fleet accuracy and evasion.
 
*Failure prevents participation of allied planes in the aerial combat phase.
 
 
 
==Aerial Combat==
 
<span style="font-size:17px;font-weight:bold;">Aerial Combat Stages</span>
 
{| class="wikitable"
 
 
|-
 
|-
! scope="col" style="text-align:center;" |Stage
+
|Double Line<br>{{Nihongo|複縦陣|''Fukujuu-jin''}}
! scope="col" style="text-align:center;" |Notes
+
|{{DoubleLine}}
|-
+
|80%
|Fighter Combat
+
|style="color:red"|'''120%'''<ref>Source: [http://bs-arekore.at.webry.info/201412/article_2.html '''半製造BSアレコレ雑記帳''' /「艦これ」砲撃命中率について・複縦陣 中間報告] ''(Dec 5, 2014).'' Corroborated with Vita values.</ref>
|Battle for air supremacy. Determines if Artillery Spotting and/or Contact are possible.
+
|100%
|-
+
|80%
|Anti-bomber Combat
+
|80%
|Number of bombers shot down by fighters is affected by the result of the previous phase
+
|100%
|-
+
|80%
|Anti-Air Cut-In
+
|style="color:red"|'''120%'''
|An Anti-Air Director may cause heavy damage to enemy bombers
+
|100%
|-
+
|100%
|Fleet Anti-air Defense
+
|90%
|Fleet defends against enemy bombers
+
|100%
|-
+
|120%
|Bombing
+
|60%
|See ''Damage Calculation'' for details
 
|}
 
 
 
===Fighter Combat===
 
<center><math>\text {Fighter Power} = \sum^\text{All slots} \text{Floor(} \sqrt{\text{Number planes in slot}} \times \text {Plane anti-air stat} \text{)}</math><ref name="FPEx">Example on how to calculate a ship's fighter power using the formula.
 
Akagi Kai's fighter power (with Reppus in slot 1 and 2, Reppu Kai in slot 3, M62 in slot 4)
 
= Floor[ √(Slot 1) x Reppu's AA] + Floor[ √(Slot 2) x Reppu's AA] + Floor[ √(Slot 3) x ReppuKai's AA] + Floor[ √(Slot 4) x M62's AA]
 
= Floor[ √(20) x 10] + Floor[ √(20) x 10] + Floor[ √(32) x 12] + Floor[ √(10) x 4]
 
= 44 + 44 + 67 + 11
 
= 166
 
</ref></center>
 
* {{GreenPlane}} Fighter planes, and specific {{BluePlane}}{{RedPlane}}{{Seaplane}} Torpedo / Dive / Seaplane bombers with an +AA stat participate in the Fighter Combat.
 
* Recon planes (carrier based{{YellowPlane}} or seaplane recon{{Seaplane}}) will '''NOT''' participate in Fighter Combat.
 
* The allied fleet and enemy fleet's Fighter Powers are compared to determine the result of Fighter Combat:
 
{| class="wikitable"
 
|-
 
! scope="col" style="width:190px; text-align:center;" |Fighter Power
 
! scope="col" style="width:100px; text-align:center;" |Result
 
! scope="col" style="width:165px; text-align:center;" |Text Display
 
! scope="col" style="width:110px; text-align:center;" | % Shot Down
 
! scope="col" style="width:100px; text-align:center;" |[[Combat#Contact|Contact]]
 
! scope="col" style="width:100px; text-align:center;" |[[Artillery Spotting|Artillery Spotting]]
 
! scope="col" style="width:100px; text-align:center;" |[[Combat#Night Combat|Night Spotting]]
 
|-
 
|FP ≥ 3×EFP<br/> ''or'' Enemy Failed Detection <br/> ''or'' EFP=0 and Planes launched
 
|Air Supremacy      (AS+)
 
|<span style="color:green">'''制空権確保!'''</span><br />''Seikuuken Kakuho!''
 
| style="text-align:center;" |0~90%
 
|Allied only
 
|Allied only
 
|Allied only
 
|-
 
|3×EFP > FP ≥ 1.5×EFP
 
|Air Superiority
 
(AS)
 
|<span style="color:green">'''航空優勢! '''</span><br />''Koukuu Yuusei!''
 
| style="text-align:center;" |0~80%
 
|Both sides
 
|Allied only
 
|Both sides
 
|-
 
|1.5×EFP > FP ≥ 2/3×EFP
 
|Air Parity
 
|No text displayed
 
| style="text-align:center;" |0~60%
 
|Both sides
 
|Impossible for either side
 
|Impossible for regular combat nodes<br/> Both sides for PvP (for both sides) and Night Combat Only nodes
 
|-
 
|2/3×EFP > FP ≥ 1/3×EFP
 
|Air Incapability
 
|No text displayed
 
| style="text-align:center;" |0~40%
 
|Both sides
 
|Enemy only
 
|Both sides
 
|-
 
|FP < 1/3×EFP
 
|Air Denial
 
|<span style="color:red">'''制空権喪失! '''</span><br />''Seikuuken Soushitsu!''
 
| style="text-align:center;" |0~10%
 
|Enemy only
 
|Enemy only
 
|Enemy only
 
|}
 
*EFP: Enemy Fighter Power, FP: Fighter Power. Abbreviated to save space.
 
*This calculation does not take into account any anti-air weaponry equipped on ships. Carrier anti-air stat is also not considered.
 
*The percentage of planes shot down applies for both sides' respective outcomes, and is calculated per slot.
 
:*For example, securing Air Superiority means allied planes shoot down up to 80% of enemy planes, and the enemy under Air Incapability will shoot down up to 40%.
 
:*As this is applied per slot, 80% of one enemy bomber group can be shot down while a second has 0% shot down.
 
*[[Combat#Contact|Contact]] can be triggered by having at least 1 carrier scout plane, seaplane scout, and/or torpedo bomber equipped. It increases damage during the bombing phase depending on the accuracy bonus of the squad triggering Contact.
 
*Even if allied planes secure air supremacy, planes can still be lost (up to 10%), and the subsequent anti-air defense stage can eliminate more bombers.
 
*If the enemy fleet launches no fighters and any planes are launched from either side, the result defaults to Air Supremacy. If both sides launch no planes, then the rest of the battle is treated the same as if Air Parity was achieved.
 
 
 
====Enemy Ship Fighter Power====
 
{| class="wikitable"
 
|-
 
! scope="col" style="text-align:center; width:300px;" |Enemy Ship Type
 
! scope="col" style="text-align:center;" |Fighter Power
 
! scope="col" style="text-align:center; width:280px;" |Enemy Ship Type
 
! scope="col" style="text-align:center;" |Fighter Power
 
|-
 
|[[Light Carrier Nu-Class]]
 
| style="text-align:center;" |8
 
|Armored Carrier Demon
 
| style="text-align:center;" |44
 
|-
 
|[[Light Carrier Nu-Class]] Elite
 
| style="text-align:center;" |24
 
|Armored Carrier Princess
 
| style="text-align:center;" |48
 
|-
 
|[[Light Carrier Nu-Class]] Flagship
 
| style="text-align:center;" |23
 
|Floating Fortress
 
| style="text-align:center;" |27
 
|-
 
|[[Standard Carrier Wo-Class]]
 
| style="text-align:center;" |10
 
|Southern War Demon
 
| style="text-align:center;" |41
 
|-
 
|[[Standard Carrier Wo-Class]] Elite
 
| style="text-align:center;" |27
 
|Southern War Princess
 
| style="text-align:center;" |47
 
|-
 
|[[Standard Carrier Wo-Class]] Flagship
 
| style="text-align:center;" |28
 
|[[Battleship Re-Class]]
 
| style="text-align:center;" |94
 
|-
 
|[[Standard Carrier Wo-Class]] Flagship 2
 
| style="text-align:center;" |84
 
|[[Battleship Re-Class]] Elite
 
| style="text-align:center;" |107
 
|-
 
|[[Standard Carrier Wo-Class]] Kai Flagship
 
| style="text-align:center;" |102
 
|[[Northern Princess]] World 3-5
 
| style="text-align:center;" |76
 
|}
 
 
 
=== Anti-Air Cut-In ===
 
[[File:Bandicam_2014-11-20_02-55-57-126.avi_snapshot_00.26_-2014.11.20_03.09.34-.jpg|thumb|An Anti-Air Cut-In]]
 
Certain equipment combinations will provide a chance for an Anti-Air Cut-In (AACI) during the aerial combat. When activated, the cut-in CG (shown on the right) would appear before engaging the enemy fighters, but does not appear to affect the resulting air control state (AS+, AS, Air Parity or Denial). Although there's currently no conclusion on how it's applied onto the [[Combat#Fleet_Anti-air_Defense|Fleet Anti-air Defense formula]], a general consensus suggests the effectiveness scales with the AA stat ({{AA}}) of the ship triggering it.
 
 
 
====Requirement====
 
* One of the following sets:
 
*# <u>Heavy Main Gun</u>{{Template:RedGunHeavy}}, <u>Type 3 Shell</u> {{GreenAmmo}}, plus <u>Anti-Aircraft Fire Director</u> '''(AAFD)''' {{AntiAircraftFireDirector}}
 
*#* ''Can be supplemented with an AA RADAR'' {{Radar}}
 
*#* Only available for BB(V)s due to Heavy Gun requirement.
 
*# <u>High-Angle mount</u> ([[List_of_Main_Guns_by_stats|main gun]] or [[List_of_Secondary_Guns_by_stats|secondary]]) {{GreenGunDP}} plus <u>'''AAFD'''</u>{{AntiAircraftFireDirector}}
 
*#* ''Can be supplemented with an AA RADAR'' {{Radar}}
 
*#* Achievable by any surface ship.
 
*# [[10cm Twin High-angle Mount + Anti-Aircraft Fire Director|'''<u>10cm Twin High-angle Mount + AAFD</u>''']] plus <u>AA RADAR</u>{{Radar}}
 
*#* ''Can be supplemented with an HA mount ''{{GreenGunDP}}'' or another 10cm Twin High-angle Mount + AAFD''
 
*#* Available to any ship capable of equipping a Light Main Gun.
 
*# [[25mm Triple Autocannon Mount (Concentrated Deployment)|'''<u>25mm Triple Autocannon Mount (Concentrated Deployment)</u>''']], [[List of Anti-Air Guns by stats|<u>AA Gun</u>]] (any) {{GreenGunMG}}, plus <u>AA RADAR</u> {{Radar}}
 
*#* Achievable by any surface ship.
 
*# Either [[12.7cm Twin High-angle Mount + Anti-Aircraft Fire Director|'''<u>12.7cm Twin High-angle Mount + AAFD</u>''']] or [[90mm Single High Angled Gun|'''<u>90mm Single High Angled Gun</u>''']], plus <u>AA RADAR</u> {{Radar}}
 
*#* ''Can be supplemented with an High-angle Mount + AAFD''
 
*#* As both 12.7cm Twin High-angle Mount + AAFD and 90mm Single High Angled Gun are considered secondary guns, only ships capable of equipping them may use this setup.
 
 
 
* '''[[Akizuki]]''' has a built-in AA fire director, which allows her to trigger AACI without an AAFD with the following setup
 
:* <u>High-Angle mount</u> (any) {{GreenGunDP}} plus either or both:
 
::* ''<u>RADAR</u> (any kind)'' {{Radar}}
 
::* ''<u>High-Angle mount</u> (any)'' {{GreenGunDP}}
 
*[[Maya|Maya Kai 2]] may trigger AACI with a unique setup:
 
:* [[25mm Triple Autocannon Mount (Concentrated Deployment)|'''<u>25mm Triple Autocannon Mount (Concentrated Deployment)</u>''']], plus <u>High-Angle mount</u> (any) {{GreenGunDP}}
 
::* ''Can be supplemented with an AA RADAR'' {{Radar}}
 
 
 
====Effect====
 
* Provide an AoE blast on all the incoming enemy '''bombers''', from the ship who is triggering it.'' ([http://kancolle.wikia.com/wiki/User_blog:Reikyu/A_brief_look_at_AA_defense_and_AA_cut-in_performance source 1], [http://kankoregouchin.blog.fc2.com/blog-entry-41.html 2], ''[http://kankoregouchin.blog.fc2.com/blog-entry-43.html 3]'')''
 
 
 
====Trigger Chance====
 
* '''AA stat''' ({{AA}}) of the ship performing the cut-in (equipment bonuses included) affects trigger rate.  The correlation seems to be about +0.4% trigger rate for every point of AA ?  ''([http://kankoregouchin.blog.fc2.com/blog-entry-43.html source 1], [http://kankoregouchin.blog.fc2.com/blog-entry-41.html 2])''
 
* '''Air radars''' provide marginal bonuses on AACI:
 
:* For HA + AAFD setup, Air radar on CA does not increase the trigger chance on a large scale ??.'' ([http://kankoregouchin.blog.fc2.com/blog-entry-41.html source])''
 
:* Type 13 Air radar Kai on Akizuki (and other DDs?) increases the trigger chance by '''~10%'''. When AACI was activated, it also helps with shooting down more bombers. (''[http://kankoregouchin.blog.fc2.com/blog-entry-43.html source]'')
 
 
 
With an AA Cut-In from a ship with high AA stat ({{AA}}), it is possible to '''obliterate all incoming bombers''' before they inflict any damage, and even prevent opposing carriers from shelling since they have 0 bombers left.''' In PVP Exercises, opposing fleets can do AA Cut-Ins, but the animation is not shown.'''
 
 
 
There are reports that enemy ships in map [[World_6:_%E4%B8%AD%E9%83%A8%E6%B5%B7%E5%9F%9F#6-2|6-2]] ''might'' be capable of doing AACI. Other than that, there is currently no enemy ship capable to blast all your bombers with AA weapons.
 
 
 
===Fleet Anti-air Defense===
 
Each enemy bomber slot is assigned at random to a defending ship. Those ships then, for each assigned enemy slot, have an approximately 50% chance to shoot down enemy planes. The number of planes shot down is given by the equations below:
 
 
 
<center>
 
<math>\text{Shot Down} = \text{Floor((Ship AA } + \text{Floor(Fleet Anti-air} \times \text{Formation Modifier))} \times 0.2125\text{)}</math> <math>\text{Fleet Anti-air} = \text{Floor(} \sum^\text{All slots}\text{Equipment AA Bonus} \times \text{Equipment Modifier)}</math>
 
</center>
 
The "Fleet Anti-Air" bonus is the sum of every equipment slot of every ship in the fleet (including the defending ship).
 
 
 
====Formation Modifiers====
 
{| class="wikitable"
 
|-
 
! scope="col" style="text-align:center;" |Formation
 
! scope="col" style="text-align:center;" |Modifier
 
|-
 
|Line Ahead, Line Abreast, Echelon
 
| style="text-align:center;" |1.0
 
|-
 
|Double Line
 
| style="text-align:center;" |1.2
 
|-
 
|Diamond
 
| style="text-align:center;" |1.6
 
|}
 
 
 
====Equipment Modifiers====
 
{| class="wikitable"
 
|-
 
! scope="col" |Equipment Type
 
! scope="col" style="text-align:center;" |Modifier
 
|-
 
|46cm Triple Gun Mount
 
| style="text-align:center;" |0.25
 
|-
 
|High-angle Mounts
 
| style="text-align:center;" |0.35
 
|-
 
|AA Radars
 
| style="text-align:center;" |0.40
 
|-
 
|Type 3 Shell
 
| style="text-align:center;" |0.60
 
|-
 
|All other equipment
 
| style="text-align:center;" |0.20
 
|}
 
 
 
*Any equipment that gives an anti-air bonus will contribute to shooting down enemy bombers.
 
*The ship chosen to defend against bombers is not necessarily the ship targeted by that slot.
 
*The ship selected to defend is not necessarily the target of the bomber. Any allied ship, including submarines, may be chosen to defend against bombers.
 
*The forward sliding and machine gun animations seem to have no correlation with the calculations.
 
*These calculations only apply for the allied fleet's anti-air defense; enemy fleets seem to use a different formula.
 
 
 
==Opening Stages==
 
The Opening Stages of combat proceed in order with the Supporting Expedition effect, the Opening Torpedo salvo, then the display of the engagement form
 
*In [[World 5]] and Event Maps, the Sortie fleet can receive a salvo of Support fire from fleets deployed on [[Expedition#Support_Expeditions|Support Expeditions]]. The type of supporting fire depends on the composition of the expedition fleet.
 
*The Opening Torpedo Salvo is fired by Submarines over level 10, ships with the {{Template:TorpedoWeapon}}[[Type A Ko-hyoteki]] ([[:Category:Torpedo Cruisers|CLTs]], [[:Category:Seaplane Tenders|AVs]], [[:Category:Submarines|SS]]) equipped, and the Enemy [[Battleship Re-Class]].
 
:*Torpedoes are fired from all ships simultaneously, and accuracy is affected by the selected Formation type.
 
*The Opening stages finish with the display of the Engagement form, the orientation of the two fleets.
 
 
 
===Engagement Form Modifier===
 
{| class="wikitable"
 
|-
 
! scope="col" style="text-align:center; width:200px;" |Form
 
! scope="col" style="text-align:center; width:100px;" |Damage Modifier
 
! scope="col" style="text-align:center; width:100px;" |Chance
 
! scope="col" style="text-align:center; width:100px;" |Chance with [[Saiun]]
 
|-
 
|Parallel Engagement<br />{{Nihongo|同航戦|''Doukousen''|}}
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |45%
 
| style="text-align:center;" |45%
 
|-
 
|Head-on Engagement<br />{{Nihongo|反航戦|''Hankousen''|}}
 
| style="text-align:center;" |80%
 
| style="text-align:center;" |30%
 
| style="text-align:center;" |About 40%
 
|-
 
|Crossing the T ('''<span style="color:green">Advantage</span>''')<br />{{Nihongo|T字戦有利|''T Ji-sen Yuuri''|}}
 
| style="text-align:center;" |120%
 
| style="text-align:center;" |15%
 
| style="text-align:center;" |15%
 
|-
 
| style="white-space: nowrap;" |Crossing the T ('''<span style="color:red">Disadvantage</span>''')<br />{{Nihongo|T字戦不利|''T Ji-sen Furi''|}}
 
| style="text-align:center;" |60%
 
| style="text-align:center;" |10%
 
| style="text-align:center;" |<1%
 
|}
 
*Please note that all engagement forms '''affect both sides equally''', including crossing the T (<span style="color:green">Advantage</span> or <span style="color:red">Disadvantage</span>).
 
* Regular night battle and aerial combat are not affected by engagement forms. Torpedo salvos ''are'' affected by engagement forms. Nodes starting with Night Combat, however, do take engagement forms into consideration (despite it not being displayed).
 
*Equipping a {{Template:YellowPlane}}[[Saiun]] effectively makes what would have been Crossing the T (Disadvantage) become Head-on Engagement.
 
*It is speculated that the Engagement form also impacts accuracy.
 
 
 
==Day Combat==
 
*Day Combat consists of up to 3 phases: 1st Shelling, 2nd Shelling, Closing Torpedo
 
*During the first shelling stage, the order of fire is determined by the ship's maximum range.
 
:*Ships are arranged in order from Very Long → Long → Medium → Short → Very Short range.
 
:*The shelling order alternates from allied ships to enemy ships if able. If two ships on the same side have the same range, the ship that attacks first from between them is chosen randomly.
 
*The second shelling phase (if it applies) has an initial firing order of all ships normally capable of attacking during shelling phase, alternating between sides.
 
*Ships unable to attack at all in the shelling phase (''e.g.'' all submarines, basic [[Transport Ship Wa-Class]], any carrier carrying no bombers) are not put into the shelling order (during both phases). Ships normally able to attack but rendered unable to (''e.g.'' damaged carriers carrying attack planes) will be included in the shelling order but take actionless turns.
 
*CVLs and CVs must be in good or lightly damaged condition in order to participate in either shelling phases; Armored Aircraft Carriers (''e.g.'' [[Taihou]]) may still attack while moderately damaged.
 
* The Closing Torpedo salvo is fired by all SS(V), DD, CL(T), CA(V), AV, [[Bismarck|Bismarck drei]], and the enemy [[Battleship Re-Class]].
 
:* Torpedoes are fired from all ships simultaneously, and accuracy is affected by the selected Formation type.
 
:* Ships must not be moderately or heavily damaged to participate.
 
 
 
==Night Combat==
 
*Night battle damage depends on both the Firepower and Torpedo stats for attack power. Consequently, DDs, CLs, CLTs and CAs have drastically increased strength at night.
 
*Any vessel at night must not be heavily damaged (red) before attacking in order to participate in night battle.
 
*Certain combination of weapon equipment ([[List of Main Guns by stats|Main Guns]], [[List of Secondary Guns by stats|Secondary Guns]], [[List of Torpedoes by stats|Torpedoes]]) will cause Cut-In or Double Attacks at night, greatly increasing accuracy and/or firepower
 
:*Auxiliary equipment (e.g [[List of Radars by stats|RADAR]], [[List of Anti-Submarine Equipment by stats|SONAR]], [[List of Anti-Submarine Equipment by stats|Depth Charges]], Searchlights, Turbines, Special ammunition, [[List of Anti-Air Guns by stats|Pure AA Equipment]], Torpedo Bulges, and [[Type A Ko-hyoteki|Midget-subs]]) will not affect the combination.
 
*If night combat nodes are anticipated, it can be very helpful to utilize specialized night battle equipment such as [[Star Shell]]s and [[Searchlight]]. [[Type 98 Recon Seaplane (Night Scout)]] is also an option.
 
*Damage against submarines is greatly reduced during regular Night Battles (to scratch damage).
 
*Formation damage modifiers do not apply in Night Battle (always 100% for regular shelling).
 
:*Nodes begin with Night Battle and in [[Combined Fleet]] Night Battle, Formation anti-sub damage modifiers apply.
 
::*The Engagement Form is not explicitly shown in Night Battle nodes, but the modifier will apply.
 
*The animation for ships equipped with 2 different torpedoes may be different but the damage output is still the same.
 
:*A [[Prototype FaT Type 95 Oxygen Torpedo Kai]] + [[61cm Quint (Oxygen) Torpedo Mount]] will show a cut-in animation of FaT+Quint+Quint and if equipped the other way around, the cut-in animation will show Quint+FaT+FaT. However, both animation produces the same damage output.
 
 
 
==Damage Calculations==
 
===Main Formula===
 
{| class="wikitable"
 
|-
 
! rowspan="3" scope="col" style="text-align:center;" |Damage =
 
! scope="col" |<center>[[Combat#Basic_Attack_Power|Basic Attack Power]]<br />x<br />[[Combat#Pre-Cap_Modifiers|Pre-Cap Modifiers]]</center>
 
! scope="col" |×
 
! scope="col" |<center>[[Combat#Post-Cap_Modifiers|Post-Cap Modifiers]]</center>
 
! scope="col" | -
 
! scope="col" |<center>Enemy Armor</center>
 
! scope="col" |×
 
! scope="col" |<center>Random Number<br />(between 2/3 ~ 4/3)</center>
 
|-
 
! colspan="7" rowspan="1" scope="col" style="text-align:center;" |×
 
|-
 
! colspan="7" rowspan="1" scope="col" style="text-align:center;" |<center>[[Combat#Remaining_Ammo_Modifier|Remaining Ammo Modifier]]</center>
 
|-
 
| colspan="8" |Notes:
 
 
 
*''If the result is less than 1, it becomes '''scratch damage''', which does 6-14% of current target HP, rounded down (can be rounded to 0).''
 
*'''''If the pre-cap damage''' (Basic Attack Power x Pre-Cap Modifiers)''' exceeds [[Combat#Attack_Power_Cap|a certain cap value]], it will be modified.'''''
 
*''This formula is under constant review and updated accordingly if there any inconsistencies or mistakes happens.''
 
|}
 
 
 
===<u>Basic Attack Power</u>===
 
{| class="wikitable"
 
|-
 
! scope="col" style="text-align:center; width:199px;" |Type
 
! scope="col" style="text-align:center; width:530px;" |Basic Attack Power
 
! scope="col" style="text-align:center; width:260px;" |Notes
 
|-
 
|Opening Air Strike
 
|Modifier × (Bomber's Dive Bomb or Torpedo stat) × √(Number of Planes) + 25
 
|Number of planes is post anti-bomber combat and fleet anti-air defense<br/> Modifier is 1 for dive bombers, either 0.8 or 1.5 (50% chance for either) for torpedo bombers
 
|-
 
|Shelling (Carriers)
 
|(Firepower + Torpedo) × 1.5 + Dive Bomb × 2 + 55
 
 
|
 
|
 
|-
 
|-
|Shelling (Others)
+
|Diamond<br>{{Nihongo|輪形陣|''Rinkei-jin''}}
|Firepower + 5
+
|{{Diamond}}
 +
|70%
 +
|100%
 +
|110%
 +
|70%
 +
|40%
 +
|110%
 +
|120%
 +
|100%
 +
|100%
 +
|100%
 +
|70%
 +
|100%
 +
|style="color:red"|'''160%'''
 +
|style="color:red"|'''75%'''
 
|
 
|
 
|-
 
|-
|Torpedo
+
|rowspan=2|Echelon<br>{{Nihongo|梯形陣|''Teikei-jin''}}
|Torpedo + 5
+
|rowspan=2|{{Echelon}}
|
+
|75%
 +
|rowspan=2 style="color:red"|'''120%'''
 +
|style="color:red"|'''140%'''<ref>https://twitter.com/Xe_UCH/status/1304783506275409920</ref>
 +
|rowspan=2 |60%
 +
|75%<ref>https://twitter.com/Divinity__123/status/1177455647593353217</ref><ref>https://docs.google.com/spreadsheets/d/1L854d9MjPHc4yNELEp1oRz029-LHz2aMRF089_MO2vo/edit#gid=1875509487</ref>
 +
|rowspan=2|130%
 +
|110%
 +
|rowspan=2 style="color:red"|'''120%'''
 +
|rowspan=2 style="color:red"|'''140%<ref>https://twitter.com/Divinity_123/status/1453371977020985353</ref>'''
 +
|rowspan=2|100%
 +
|90%<ref name="echelon">https://twitter.com/Divinity__123/status/1228686473119064066</ref>
 +
|style="color:red"|'''130%'''<ref name="echelon"></ref>
 +
|rowspan=2|100%
 +
|rowspan=2|60%
 +
|Single vs Single fleet battles
 
|-
 
|-
|Anti-sub warfare
+
|60%
|Bonus × (Floor(Base Ship ASW / 5) + 2 × Equipment ASW + Type)
+
|120%
|Type: 25 if Sonar/Depth Charge (DD, CL), 10 if aircraft (AV, CVL, CAV, BBV)
+
|60%
Bonus: 1.15 if both Sonar and Depth Charge are equipped, 1.0 otherwise.
+
|100%
 +
|80%
 +
|110%
 +
|Single vs Combined fleet battles (either way)<ref>https://github.com/Tibowl/KCBugTracker/issues/24#issuecomment-872108225</ref>
 
|-
 
|-
|Night Battle
+
|Line Abreast<br>{{Nihongo|単横陣|''Tan'ou-jin''}}
|Firepower + Torpedo
+
|{{LineAbreast}}
 +
|60%
 +
|style="color:red"|'''120%'''
 +
|130%
 +
|60%
 +
|30%
 +
|style="color:red"|'''140%'''
 +
|style="color:red"|'''130%'''
 +
|style="color:red"|'''120%'''
 +
|110%
 +
|100%
 +
|80%
 +
|120%
 +
|100%
 +
|60%
 
|
 
|
|}
 
* According to wikiwiki, multiple SONAR/Depth charges do not boost the ASW Bonus (i.e. 2 of each still makes the bonus 1.15)
 
 
===<u>Pre-Cap Modifiers</u>===
 
These are the factors directly applied to your ship's attack power.
 
* [[Combat#Formation Selection|Formation Modifier]] (see "Damage modifier")
 
* [[Combat#Engagement Form Modifier|Engagement Modifier]]
 
* [[Combat#Ship.27s_Health_Modifier|Health Modifier]]
 
* [[Combat#Night_Attack_Modifier|Night Attack Modifier]]
 
Effects from the modifiers are multiplied cumulatively.
 
 
====Ship's Health Modifier====
 
{| class="wikitable"
 
|-
 
! scope="col" style="text-align:center;" |Damage
 
! scope="col" style="text-align:center;" |Modifier
 
|-
 
| {{nihongo|Minor damage|小破|Shōha}} or less
 
| style="text-align:center;" |100%
 
|-
 
| {{nihongo|Moderate damage|中破|Chūha}}
 
| style="text-align:center;" |70%
 
|-
 
| {{nihongo|Heavy damage|大破|Taiha}}
 
| style="text-align:center;" |40%
 
|}
 
These modifiers do not affect Aerial Combat.
 
 
==== Night Attack Modifier ====
 
[[File:night_cut_in.png|thumb|An example of a cut-in]]
 
[[Combat#Night_Battle_Special_Attacks|Certain Equipment setups]] have a chance to trigger special attacks at night, giving boost to both attack power and accuracy. This stage is usually the most rewarding / dangerous because both sides have drastically increased attack power.
 
 
The ship must be able to participate in the night battle in order to trigger the special attacks.
 
 
{| class="wikitable"
 
|-
 
! scope="col" style="text-align:center; width:150px;" |Type
 
! scope="col" style="text-align:center; width:300px;" |Modifier
 
! scope="col" style="text-align:center; width:350px;" |Notes
 
|-
 
|style="text-align:center;"|Special Attack <br/>(Double Attack and Cut-In Attack)
 
|style="text-align:center;"|120% for Double Attack. <br/>Varies for Cut-In Attack depending on type. <br/>See [[Combat#Night_Battle_Special_Attacks|here]] for details.
 
|style="text-align:center;"|Any misses on Cut-In Attack and Double Attack becomes scratch damage instead.
 
|-
 
|style="text-align:center;"|Normal
 
|style="text-align:center;"|100%
 
|style="text-align:center;"|Usually a failed Cut-In or Double Attack check
 
|-
 
|style="text-align:center;"|Anti-Submarine
 
|style="text-align:center;"|0% for regular map nodes <br/>[[Combat#Formation_Modifier|Formation Modifier]] for Combined Fleet battle nodes and Night Battle nodes.
 
|style="text-align:center;"|This results in scratch damage against submarines during normal nodes. <br/>[[Combat#Engagement_Form_Modifier|Engagement Form modifiers]] will apply for Combined Fleet battle nodes and Night Battle nodes.
 
|}
 
 
===<u>Attack Power Cap</u>===
 
Applies after the pre-cap modifiers. This is a '''soft limit''' on your effective attack power.
 
 
<u>Condition</u>: If your pre-cap attack power exceeds:
 
* '''150''' for Day Battle,
 
* '''300''' for Night Battle, ''or''
 
* '''100''' for Anti-submarine attacks,
 
then the Attack Power Cap will kick-in, reducing attack power. The calculation is:
 
 
<math>\text {Attack Power After Caps} = x + \sqrt {\text {Pre Caps Attack Power} - x}</math>, Where x represents the attack power cap.
 
 
Daytime Attack Cap (150) often makes it important to utilize [[Combat#Artillery_Spotting|Artillery Spotting]] since they boost your attack power '''after the cap''', while [[Combat#Night Combat|Night Combat]] can be very dangerous and/or rewarding due to having a very high cap (300) and the inclusion of torpedo to firepower for the basic attack power calculation.
 
 
===<u>Post-Cap Modifiers</u>===
 
In damage calculation, Post-cap modifiers apply''''' after the cap''''', but '''''before enemy armor reduction'''''. Thus they are very effective approach to boost your damage output (esp. against heavy armor enemies).
 
 
Currently, the post-cap modifiers are from:
 
* [[Combat#Artillery_Spotting|Artillery Spotting]] (aka. Day time special attacks)
 
* [[Combat#Critical_Modifier|Critical Damage]]
 
* [[Combat#Contact|Contact]] (Opening air strike)
 
 
==== Artillery Spotting ====
 
[[Combat#Day_Battle_Special_Attacks_.28Artillery_Spotting.29|Certain equipment setups]] provide a chance to trigger special attacks during day battle, giving boost to both attack power and accuracy. The damage modifiers are applied after the cap (150), thus very effective against heavily armored targets. Note that the ship requires at least 1 seaplane on board to perform Artillery Spotting (and thus will not trigger if all the seaplanes are shot down).
 
 
====Critical Modifier====
 
Most forms of attack (Torpedo, Shelling, Anti-Submarine, Preemptive Bombing) have a chance to crit the target. The damage modifier applies after the cap.
 
{| class="wikitable"
 
|-
 
! scope="col" style="text-align:center;" |Attack Type
 
! scope="col" style="text-align:center;" |Modifier
 
|-
 
| Normal Attack
 
| style="text-align:center;" |100%
 
|-
 
| Critical Hit
 
| style="text-align:center;" |150%
 
|}
 
It should be noted that the '''critical message always appears when damage dealt is greater than or equal to 40,''' regardless of whether the 150% modifier was applied or not. On the other hand, the critical message will never appear when damage dealt is less than or equal to 14, even if the 150% modifier was applied.
 
 
====Contact====
 
*Contact takes place during the Aerial Combat phase. It increases bombing damage for all allied bombers.
 
*When successful, an image of the squadron performing contact is shown in the opposing fleet's formation indicator, with the text "触接中".
 
*Trigger conditions:
 
:*More air control than Air Denial
 
:*At least one carrier scout plane, seaplane scout, or torpedo bomber equipped.
 
::*Seaplane bombers, [[Type 3 Spotter/Liaison (ASW)|Type 3 Spotter]], and [[Ka-type_Observation_Autogyro|Ka-type Autogyros]] cannot perform contact.
 
:*It's thought that each carrier scout plane, seaplane scout, and/or torpedo bomber slot equipped is given a chance to trigger contact. Once successful, the bonus applied is chosen at random with weighting from all eligible equipped planes.
 
*Different types of planes have different trigger rates. They are roughly estimated as (if only one is equipped):
 
{| class="wikitable"
 
|-
 
! scope="col" style="text-align:center;" |Type
 
! scope="col" style="text-align:center;" |Contact Rate
 
|-
 
| Torpedo Bomber
 
| style="text-align:center;" |~2%
 
|-
 
| Night Scout
 
| style="text-align:center;" |~5%
 
|-
 
| Seaplane Scout
 
| style="text-align:center;" |~20%
 
|-
 
| Carrier Scout
 
| style="text-align:center;" |~50%
 
|}
 
=====Contact Damage Modifier=====
 
*The damage increase depends on the +accuracy bonus {{Template:Hit}} of the squadron performing contact.
 
{| class="wikitable"
 
|-
 
! scope="col" style="text-align:center;" |Accuracy<br />Bonus
 
! scope="col" style="text-align:center;" |Damage<br />Modifier
 
|-
 
| style="text-align:center;" | +0
 
| style="text-align:center;" |112%
 
|-
 
| style="text-align:center;" | +1
 
| style="text-align:center;" |112%
 
 
|-
 
|-
| style="text-align:center;" | +2
+
|rowspan=2|{{Tooltip|Vanguard|The direct translation of "Keikai" is "alert"}}<ref>https://docs.google.com/spreadsheets/d/14uCat5nahv3A0Zq6d263Ye3U_f1nBYpIMEc9ALegyNA/edit#gid=0</ref><br>{{Nihongo|警戒陣|''Keikai-jin''}}
| style="text-align:center;" |117%
+
|rowspan=2|{{Vanguard}}
 +
|50%
 +
|80%<ref>https://twitter.com/Divinity_123/status/1452289616866947081</ref>
 +
|rowspan=2|''See<br>[[#Vanguard Formation|below]]''
 +
|style="color:red"|'''100%'''
 +
|70%<ref>https://twitter.com/Divinity_123/status/1457819658090844163</ref>
 +
|rowspan=2|''See<br>[[#Vanguard Formation|below]]''
 +
|100%
 +
|??
 +
|rowspan=2|''See<br>[[#Vanguard Formation|below]]''
 +
|50%
 +
|??
 +
|rowspan=2|''See<br>[[#Vanguard Formation|below]]''
 +
|110%
 +
|Medium
 +
|Upper half of the fleet
 
|-
 
|-
| style="text-align:center;" | +3
+
|100%
| style="text-align:center;" |120%
+
|style="color:red"|'''120%'''
 +
|style="color:red"|'''100%'''
 +
|90%
 +
|60%
 +
|??
 +
|100%
 +
|??
 +
|110%
 +
|High
 +
|Bottom half of the fleet
 
|}
 
|}
  
=====Notes=====
+
{|class="wikitable"
*{{Template:YellowPlane}}[[Type_2_Recon_Aircraft|Type 2 Recon Aircraft]] is useful in the case that the bombing damage bonus is desired while not removing the chance for T-disadvantage, due to its high trigger rate.
+
!colspan=5|Accuracy Exceptions
*With contact, the maximum attack power of bombing (before defense, critical and ammo) is around 180. With some luck, it's possible to sink even Ru-class Flagships (Armor = 99) in one strike without a critical.
 
 
 
===<u>Remaining Ammo Modifier</u>===
 
{| class="wikitable"
 
|-
 
! scope="col" style="text-align:center;" |Remaining Ammunition
 
! scope="col" style="text-align:center;" |Modifier
 
|-
 
| 5 to 10 {{Ammo}} bars
 
| style="text-align:center;" |100%
 
 
|-
 
|-
| 4 {{Ammo}} bars
+
!Formation
| style="text-align:center;" |80%
+
!Day Shelling &<br>Carrier Attacks
 +
!Torpedo Attacks
 +
!ASW
 +
!Night Battles
 
|-
 
|-
| 3 {{Ammo}} bars
+
|Vanguard (Both) vs DD<ref>Has even greater bonuses against [[PT Imp]]s (see [[Template:Anti-PT Imp Setups|here]])</ref>||additional 110%||additional 120%||?||?
| style="text-align:center;" |60%
 
 
|-
 
|-
| 2 {{Ammo}} bars
+
|Double Line vs Line Abreast||rowspan=3|100%||rowspan=3|N/A||rowspan=3|100%||rowspan=3|N/A
| style="text-align:center;" |40%
 
 
|-
 
|-
| 1 {{Ammo}} bar
+
|Echelon vs Line Ahead
| style="text-align:center;" |20%
 
 
|-
 
|-
| 0 {{Ammo}} bars
+
|Line Abreast vs Echelon
| style="text-align:center;" |Scratch Damage
 
 
|}
 
|}
*In general, two bars of {{Ammo}} will be used in Day Battle for all ships, regardless of whether they attack or not.
 
*The Remaining Ammo Modifier affects all phases, including the opening Aerial Combat Phase.
 
*When entering night battle (from day), the Remaining Ammo Modifier on a vessel remains same as the previous day battle. One additional bar of {{Ammo}} is used for all ships in Night Battle, regardless of whether they attack or not.
 
*Because most battles will consume 2 bars of ammunition each, try to engage the boss before the 5th battle, or else achieving victory becomes unlikely (but not impossible).
 
*When attempting to defeat boss nodes, avoid night battles and whirlpools on the way.
 
:*Whirlpools will decrease either {{Fuel}} or {{Ammo}} bars of your sorted fleet, which can be disadvantageous in long sorties. Equipping one or more ships with RADAR can help reduce losses taken from these.
 
*Submarine-only nodes on limited-time event maps do not consume ammo in Day or Night Battle.
 
  
===Player Damage Taken===
+
;Notes:
While the above formulas and statements are generally true for damage taken by a player's ships, there are additional limits that apply to friendly units only.
+
* Exact values were datamined from KanColle Kai for the Vita. Testing on the browser version has corroborated these results.
*For ships entering battle at ''chūha'' (orange) or higher HP:
+
** Values for Vanguard and the [[Game_Updates/2019/Feburary_27th|new]] Echelon are vague as they weren't introduced for KanColle Kai.
:*Damage taken cannot reduce HP below 1 (''i.e.'' ship cannot sink).
+
<references/>
::*At 1 HP. any further hits will become misses.
 
*For flagships, as well as ships with 20 morale or more (''i.e.'' not red face):
 
:*If the incoming damage is greater than or equal to current HP, it is instead reduced to 50%-79% of current HP, rounded down.
 
::*For multi-hit attacks, such as night battle torpedo cut-in attacks, each hit is calculated separately (and reduced if appropriate).
 
  
==Combat Equipment Setup==
+
===Flagship Protection===
* [[Combat#Day_Battle_Special_Attacks_.28Artillery_Spotting.29|Day Battle Special Attacks (Artillery Spotting)]]
+
'''Flagship Protection''' is when a non-flagship protects the flagship from being targeted by receiving the attack instead. When activated, a "curved shield" animation plays in front of the flagship's banner.
* [[Combat#Night_Battle_Special_Attacks|Night Battle Special Attacks]]
+
* In [[Combined Fleet]]s, the escort flagship does not receive flagship protection in day battles.
* [[Combat#Common_Setups|Common Setups]]
+
* ''See [[Flagship Protection]] for more dedails.
* [[Combat#Full_Setup_List|Full Setup List]]
 
  
=== Day Battle Special Attacks (Artillery Spotting) ===
+
===Vanguard Formation===
<!--[[File:KanColle-140425-17422431.png|thumb|Cut-in Type Observed Fire using 1Main 1Sec & Type 91 AP shell]]-->
+
Vanguard is only available during [[Event]]s, and is usable on '''any map''' during this time.
Artillery spotting allows your ship with seaplanes to double attack (DA) and cut-in (CI) during day battle.
+
* The modifiers on Vanguard Formation refer respectively to the '''"upper half"''' and '''"bottom half"''' of the fleet.
 +
** For a fleet with 6 or 7 ships, the top row applies to ships 1 to 3, and the bottom row applies to the remaining ships.
 +
** For a fleet with 4 or 5 ships, the top row applies to ships 1 and 2 and the bottom row applies to the remaining ships.
 +
* '''Damage and accuracy of [[Support Fleet]]s are affected by the top row multipliers, meaning the 50% damage modifier is applied.'''
  
====Requirement====
+
Vanguard gives an accuracy penalty to the opposite fleet. See ''[[Accuracy, Evasion and Criticals#Vanguard Formation|here]]'' for more details.
*Air superiority (AS) or greater achieved in aerial combat phase
 
*Not in heavily damaged (大破) state
 
*Ship is carrying at least 1 [[List_of_Seaplanes_by_stats|seaplane]]{{Seaplane}}. (i.e. slots are not all at 0 remaining)
 
*Certain equipment setup (see below)
 
  
====Set up and Attack Modes====
+
The '''bottom half''' ships have an increased chance to be targeted.
Different set ups provide chances to trigger various modes of attack.
+
* The targeting is determined as follows:  
{| class="wikitable"
+
**1. Target a ship from the fleet.  
|-
+
**2. If the selected ship is an upper half ship, target a ship from the fleet again.<ref>https://twitter.com/Xe_UCH/status/974571652229955584</ref>
! scope="col" style="text-align:center;" |Attack Mode
+
* Target rate based on the above procedure (without other factor):
! scope="col" style="text-align:center;" |Prerequisite
+
* Bug: When the Vanguard is selected with a [[Combined Fleet]] (on night nodes only) the "'''number of ships'''" column is determined by using the in the '''main''' fleet number of ships<ref>https://discord.com/channels/118339803660943369/178613137430282240/1286997214580703335</ref>.
! scope="col" style="text-align:center;" |The Remaining Slot
+
**E.g. With 4 ship main fleet and a 6 ship escort, the "4 ships" column is to be counted.
! scope="col" style="text-align:center;" |Damage Modifier
 
! scope="col" style="text-align:center;" |Trigger Chance
 
|-
 
| style="background-color: #59F;" |<font color="#FFF">'''Double Attack'''</font>
 
| {{Template:RedGunHeavy}}{{Template:RedGunHeavy}}{{Seaplane}}
 
|Any auxiliary equipment
 
| '''120%''' '''x 2'''
 
|'''~50%'''
 
|-
 
| style="background-color: #59F;" |<font color="#FFF">'''Double Attack'''</font>
 
| {{Template:RedGunHeavy}}{{Template:RedGunHeavy}}{{Seaplane}}
 
| {{Template:Radar}}
 
| '''120%''' '''x 2'''
 
|''Additional 3%~10% ?''
 
|-
 
| style="background-color: #59F;" |<font color="#FFF">'''Double Attack'''</font>
 
| {{Template:RedGunHeavy}}{{Template:RedGunHeavy}}{{Seaplane}}
 
| {{Seaplane}}
 
| '''120%''' '''x 2'''
 
|''Additional ~6% ?''
 
|-
 
| style="background-color: Gold;" |'''Cut-In'''
 
| {{Template:RedGunHeavy}}{{Template:YellowGun}}{{Seaplane}}
 
|Any auxiliary equipment
 
| '''110%'''
 
|'''~50%'''
 
|-
 
| style="background-color: Gold;" |'''Cut-In ( Radar )'''
 
| {{Template:RedGunHeavy}}{{Template:YellowGun}}{{Seaplane}}{{Template:Radar}}
 
| '''-'''
 
| '''110%'''......(Sec.Gun) ?
 
'''120%'''......''(RADAR)''
 
|''Additional 22%~30% ?''
 
|-
 
| style="background-color: Gold;" |'''Cut-In ( AP Shell )'''
 
| {{Template:RedGunHeavy}}{{Template:YellowGun}}{{Seaplane}}{{Template:RedAmmo}}
 
|'''-'''
 
|'''110%'''......(Sec.Gun) ?
 
'''130%'''......''(AP SHELL)''
 
|''Additional ~20%''
 
|-
 
| style="background-color: #7B5;" |<font color="#FFF">'''Mixed Attack (AP)'''</font>
 
| {{Template:RedGunHeavy}}{{Template:RedGunHeavy}}{{Seaplane}}{{Template:RedAmmo}}
 
| '''-'''
 
| '''120% x 2'''.....(DA)
 
'''150%'''...........(CI)
 
|~'''70%''' (Total)
 
|-
 
| style="background-color: #7B5;" |<font color="#FFF">'''Mixed Attack (Sec.Gun)'''</font>
 
| {{Template:RedGunHeavy}}{{Template:RedGunHeavy}}{{Seaplane}}{{Template:YellowGun}}
 
| '''-'''
 
| '''120%''' '''x 2'''.....(DA),
 
'''110%'''...........(CI) ?
 
|'''~70%''' (Total)
 
|}
 
*Lists of {{RedGunHeavy}}[[List_of_Main_Guns_by_stats|Main gun]] and {{YellowGun}}[[List_of_Secondary_Guns_by_stats|Secondary gun]].
 
*These are the basic setups used in the game. You don't need to exactly follow the placement (1st slot = main, 3rd slot = seaplane, etc) as long as those equipment are placed on the same ship.
 
*Any other setup variation will NOT change the attack mode or damage modifier. Feel free to add another auxiliary equipment when possible.
 
*Mixed Attacks provide chances for both day battle DA and CI.
 
*When either CI or DA is not triggered by chance, the ship will just do a normal single attack, dealing 100% damage.
 
*Trigger chances were estimated under the following conditions: '''''AS+;  FLoS = 300;'''  '''Non-flagship'''''<nowiki/>'''.'''
 
*The enemy is capable of doing Artillery Spotting on your fleet, both DA & CI.
 
*For more info on the Day Special Attack mechanics, you may visit page [[Artillery_Spotting|Artillery Spotting]].
 
 
 
====Trigger Chance of Artillery Spotting====
 
* The flagship has ~15% higher chance in triggering Artillery Spotting.
 
* Losing Air Supremacy (AS+) to Air Superiority (AS) will lower the trigger chances by ~12%. Higher penalty for mixed attack.
 
* Higher fleet '''total''' LoS ([[Line of Sight]]) will slightly increase the chances, around 5% ~ 10% per 100 additional FLoS. Notice that FLoS equals to the sum of LoS stats from all the ships in your fleet. Bonuses from equipment are included in the calculation.
 
* Equipment set up will affect the chances (see the table above)
 
 
 
===Night Battle Special Attacks===
 
Night battle special attacks allow your ship to double attack (DA) and cut-in (CI) at night. These special attacks are less demanding on the conditions, but more reliable and powerful than artillery spotting in the day.
 
  
====Requirement====
+
{|class="wikitable" style="text-align:center"
* Not in heavily damaged (大破) state
+
! colspan=5| Target Rate
* Certain equipment setup (see below)
 
 
 
====Set up and Attack Modes====
 
Different set ups have chances to trigger different modes of attack. Attack modes are '''only''' determined by the prerequisite. Also, feel free to add any auxiliary equipment (AP shell{{RedAmmo}}, seaplane{{Seaplane}}, AA gun{{GreenGunMG}}, etc.) on the remaining slots.
 
{| class="wikitable"
 
 
|-
 
|-
! scope="col" style="text-align:center;" |Attack Mode
+
! rowspan=2| Fleet position
! scope="col" style="text-align:center;" |Prerequisite
+
! colspan=4| Number of ships
! scope="col" style="text-align:center;" |Notes on the Remaining Slots
 
! scope="col" style="text-align:center;" |Damage Modifier
 
! scope="col" style="text-align:center;" |Trigger Chance
 
 
|-
 
|-
| style="background-color: #59F;" |<font color="#FFF">'''Double Attack'''</font>
+
! 4
| {{Template:RedGunHeavy}}{{Template:RedGunHeavy}}
+
! 5
|No additional {{TorpedoWeapon}},{{RedGunHeavy}} or {{YellowGun}}.
+
! 6
| '''120%''' x 2
+
! 7
|'''~99%'''
 
 
|-
 
|-
| style="background-color: #59F;" |<font color="#FFF">'''Double Attack'''</font>
+
! 1
| {{Template:RedGunHeavy}}{{YellowGun}}
+
| style="background-color:#92D050;color:black"| 12,50%
| Additional {{YellowGun}} allowed.
+
| style="background-color:#92D050;color:black"| 8,00%
| '''120%''' x 2
+
| style="background-color:#92D050;color:black"| 8,33%
|'''~99%'''
+
| style="background-color:#92D050;color:black"| 6,13%
 
|-
 
|-
| style="background-color: #59F;" |<font color="#FFF">'''Double Attack'''</font>
+
! 2
| {{YellowGun}}{{YellowGun}}
+
| style="background-color:#92D050;color:black"| 12,50%
| Any number of additional {{YellowGun}} allowed. <br/>Up to 1 additional {{TorpedoWeapon}} allowed.
+
| style="background-color:#92D050;color:black"| 8,00%
| '''120%''' x 2
+
| style="background-color:#92D050;color:black"| 8,33%
|'''~99%'''
+
| style="background-color:#92D050;color:black"| 6,13%
 
|-
 
|-
| style="background-color: Gold;" |'''Cut-In (Mixed)'''
+
! 3
| {{Template:RedGunHeavy}}{{TorpedoWeapon}}
+
| style="background-color:#F8CBAD;color:black"| 37,50%
| Up to 1 additional {{RedGunHeavy}} allowed. <br/>Any number of additional {{YellowGun}} allowed.
+
| style="background-color:#F8CBAD;color:black"| 28,00%
| '''130%''' x 2
+
| style="background-color:#92D050;color:black"| 8,33%
(simultaneous)
+
| style="background-color:#92D050;color:black"| 6,13%
|''Luck based''
 
 
|-
 
|-
| style="background-color:rgb(255,127,80);" |'''Cut-in (Sec. Gun)'''
+
! 4
| {{Template:RedGunHeavy}}{{RedGunHeavy}}{{YellowGun}}
+
| style="background-color:#F8CBAD;color:black"| 37,50%
|No additional {{RedGunHeavy}}
+
| style="background-color:#F8CBAD;color:black"| 28,00%
|'''175%'''
+
| style="background-color:#F8CBAD;color:black"| 25,00%
|''Luck based''
+
| style="background-color:#F8CBAD;color:black"| 20,40%
 
|-
 
|-
| style="background-color:rgb(255,127,80);" |'''Cut-in (Main Gun)'''
+
! 5
| {{Template:RedGunHeavy}}{{RedGunHeavy}}{{RedGunHeavy}}
+
!
|<nowiki>+ Any</nowiki>
+
| style="background-color:#F8CBAD;color:black"| 28,00%
|'''200%'''
+
| style="background-color:#F8CBAD;color:black"| 25,00%
|''Luck based''
+
| style="background-color:#F8CBAD;color:black"| 20,40%
 
|-
 
|-
| style="background-color: Gold;" |'''Cut-in (Torpedo)'''
+
! 6
| {{TorpedoWeapon}}{{TorpedoWeapon}}
+
!
| + Any
+
!
| '''150%''' x 2
+
| style="background-color:#F8CBAD;color:black"| 25,00%
(simultaneous)
+
| style="background-color:#F8CBAD;color:black"| 20,40%
|''Luck based''
 
|}
 
* When your set up fulfills the prerequisite for multiple attack modes, the one '''closer to the bottom''' of the list will be considered.
 
* If two simultaneous attacks are made, the total damage is displayed together but the Damage Cap (and Enemy Armor reduction) is applied separately to each attack.
 
* When either DA or CI is not triggered by chance, the ship will just do a normal single attack.
 
 
 
====Night Double Attack Chance====
 
Has a very high (~99%) and relatively consistent activation chance. <s>Activation rate decreases with damage states</s> (source required), but is not dependent on luck. This typically results in more consistent and higher average damage than cut-in setup for ships with normal luck values.
 
 
 
====Night Cut-in chance====
 
<center>
 
<math>(\text{Luck} + \text{Placement Modifier} + \text{Health Modifier} + \text{Searchlight Modifier} ) \% </math>
 
 
 
''In the old formula, it was '''Luck × 0.85.'''''
 
</center>
 
 
 
* '''Either diminishing returns or a hard cap on luck over 50 for torpedo cut-ins.''' ([http://kancolle.wikia.com/wiki/User_blog:Homuhomu123/Trigger_Rates_of_Night_Battle_Cut-In#I_-_Luck.2C_Placement_.26_Night_Battle_Cut-In_Chances source 1], [http://kancolle.wikia.com/wiki/User_blog:Homuhomu123/Trigger_Rates_of_Night_Battle_Cut-In#II_-_Searchlight_.26_Cut-In_Chances 2])
 
:* Therefore, the torpedo CI chance for Yukikaze ''(60 luck)'' would be around the same level as Shigure ''(50 luck).''
 
* '''Either diminishing returns or a hard cap on luck over 40 for three gun cut-ins.''' ([http://kancolle.wikia.com/wiki/User_blog:Homuhomu123/Trigger_Rates_of_Night_Battle_Cut-In#V_-_Health_State_.26_Cut-In_Chances source])
 
:* Therefore, ships with high luck will suffer from 5~10% lower cut-in chances when using the 3 gun cut-in setup compared to two-torpedo.
 
* '''Either diminishing returns or a hard cap on luck over 60 for mixed cut-ins''' ([http://jbbs.shitaraba.net/bbs/read.cgi/netgame/12394/1424879347/89 source 1], [http://jbbs.shitaraba.net/bbs/read.cgi/netgame/12394/1424879347/203 2])
 
{| class="wikitable"
 
 
|-
 
|-
! scope="col" style="text-align:center;" |
+
! 7
Modifier
+
!
 +
!
 
!
 
!
! scope="col" style="text-align:center;" |
+
| style="background-color:#F8CBAD;color:black"| 20,40%
Value
 
|- valign="top"
 
| rowspan="2" |'''Placement'''
 
|Flagship
 
| style="text-align:right;" | (+25)
 
|-
 
|Other
 
| style="text-align:right;" | +15
 
|- valign="top"
 
| rowspan="3" |'''Health'''
 
|Little or no damage
 
| style="text-align:right;" |0
 
|-
 
|Minor damage (小破 Shōha)
 
| style="text-align:right;" | (+5)
 
|-
 
|Moderate damage (中破 Chūha)
 
| style="text-align:right;" | +20
 
|- valign="top"
 
| rowspan="2" |'''Searchlight'''
 
|Allied
 
| style="text-align:right;" | +5
 
|-
 
|Enemy
 
| style="text-align:right;" | -10
 
|- valign="top"
 
| rowspan="2" |'''Star Shell'''
 
|Allied
 
| style="text-align:right;" | +5
 
|-
 
|Enemy
 
| style="text-align:right;" | -10
 
 
|}
 
|}
* According to [https://8b40eaa819a95ca736613ae455c69f1cb3424509.googledrive.com/host/0B80mPtzxVnOddUtjcUtyN09XUVk/cutin.html various reports], the exact values of ''flagship'' and ''minor damage'' modifiers are still in controversy. The mean values are shown in brackets, with deviation of +/- 5.
+
<references/>
  
====Anti-Sub Warfare====
+
===Choosing a Formation===
Any enemy submarines will force Destroyers, Light Cruisers, and Torpedo Cruisers to target them. Cut-In and Double Attacks are ignored. In normal Night Battles, ASW damage is scratch damage only. In battles starting at night, Formation Modifiers apply.
+
[[File:Formation_Selection_Screen.png|thumb|right|Formation Selection Screen]]
 +
When selecting a formation, its modifiers will be applied to the entirety of the next battle node whenever applicable. Picking another formation will discard any previous formation bonuses and penalties and use the new modifiers instead. Each formation has a general use-case archetype based on its modifiers.
  
=== Common Setups ===
+
* '''Line Ahead''': All-out surface combat formation.
* Common ship equipment setups and their purpose
+
* '''Double Line''': All-around, high accuracy formation.
* '''Destroyers'''
+
* '''Diamond''': Anti-Air formation.
:* As destroyers do not have the ability to field seaplanes, have low firepower but high torpedo stats, and few equipment slots, their use in fleets is generally to meet composition requirements. Their common setups focus on Anti-Sub Warfare, Night Torpedo, or Fleet Anti-Air Support
+
* '''Echelon''': Mixed surface-ASW combat formation.
:* A Mixture of [[List of Anti-Submarine Equipment by stats|SONAR and Depth Charges]] ({{Template:Sonar}}{{Template:DepthCharge}}) make your destroyers effective, accurate sub killers when enemy fleets contain Submarines.
+
* '''Line Abreast''': ASW formation.
:* On destroyers with high luck ([[Ayanami]], [[Shigure]], [[Yukikaze]]), 2 or 3 pieces of [[List of Torpedoes by stats|Torpedo Equipment]] ({{Template:TorpedoWeapon}}{{Template:TorpedoWeapon}}{{Template:TorpedoWeapon}}) will often trigger a potent Torpedo Cut-In attack in Night Battle.
+
* '''Vanguard''': Defensive/evasive & anti DD/[[PT Imp]] formation (event only).
:* When facing maps with many enemy fleets with carriers, destroyers can provide a considerable amount of fleet AA support using [[List_of_Main_Guns_by_stats#Light_Guns|high-angle mounts]] {{Template:GreenGunDP}} and [[Combat#Anti-Air_Cut-In|anti-air cut-in]] setups to reduce incoming bomber damage.
+
* [[Combined Fleet]] has other formations.
* '''Light Cruisers'''
 
:* Light Cruisers gain access to the Medium size Main guns to buff their firepower as well as seaplanes (with a few exceptions with regards to seaplanes, those being CLTs, Isuzu Kai Ni, Yuubari and both of the Tenryuu class), making Artillery Spotting setups feasible and effective against moderately armored enemy vessels.
 
:* For light cruisers facing enemy fleets, a setup with 2 Main guns and a Seaplane ({{RedGunMedium}}{{RedGunMedium}}{{Template:Seaplane}}) offers a potent double attack in both daytime Artillery Spotting and Night Battle.
 
:* For fleets without air power, one [[List_of_Main_Guns_by_stats#Medium_Guns|medium main gun]] and two [[15.5cm_Triple_Gun_Mount_(Secondary)|15.5cm Triple Gun Mounts]] ({{RedGunMedium}}{{Template:YellowGun}}{{Template:YellowGun}}) will maximize firepower while maintaining double attacks in Night Battle
 
:* The special class of the Torpedo Cruisers deserves some mention here: their specialty lies in their torpedoes and should almost always be equipped with a {{Template:TorpedoWeapon}}[[Type A Ko-hyoteki]] (to enable opening torpedo strikes). To diversify their damage output, typically two medium main guns and/or [[15.5cm_Triple_Gun_Mount_(Secondary)|15.5cm Triple Gun Mounts]] are equipped to increase shelling damage and enable Night Battle Double Attacks ({{RedGunMedium}}{{Template:YellowGun}}{{Template:TorpedoWeapon}}).
 
::* Before a Torpedo Cruiser's final remodel, due to limited slots it's advisable to use [[Type A Ko-hyoteki]] and a torpedo ({{Template:TorpedoWeapon}}{{Template:TorpedoWeapon}}) to make the most of their preemptive attack.
 
* '''Heavy Cruisers'''
 
:* Heavy Cruisers see the introduction of 4 slot setups after remodeling and all of them feature the ability to launch seaplanes for artillery spotting. While they are still limited to the Medium main guns, their higher firepower and armor can make them solid combatants when Battleships are unavailable or overkill.
 
:* The go-to setup for most situations will be the 2 main guns, RADAR, seaplane setup ({{RedGunMedium}}{{RedGunMedium}}{{Template:Radar}}{{Template:Seaplane}}) which provides day and night double attack potential.
 
:* Certain Event bosses take additional damage when a ship is equipped with [[Type 3 Shell]]s. As heavy cruisers have access to these, a Heavy Cruiser may find swapping the RADAR for a [[Type 3 Shell]] ({{RedGunMedium}}{{RedGunMedium}}{{Template:GreenAmmo}}{{Template:Seaplane}}) to be effective against such targets (see [[Airfield Princess]]).
 
:* In the case of a battle occurring with Night Battle first, one option is to replace the RADAR and seaplane with two torpedoes {{RedGunMedium}}{{RedGunMedium}}{{Template:TorpedoWeapon}}{{Template:TorpedoWeapon}}, which will lose the day battle special attacks but give the chance for powerful two-torpedo cut-in attacks.
 
* '''Battleships'''
 
:* Battleships feature a selection of Heavy Main Guns and massive resulting firepower in addition to the potent Armor Piercing shells which can cause brutal critical hits. Setups for battleships are similar to those of heavy cruisers, with one notable addition.
 
:* The Armor Piercing Shells that battleships have access to allows for the highly effective 2 Main gun, AP Shell, Seaplane setup ({{Template:RedGunHeavy}}{{Template:RedGunHeavy}}{{Template:RedAmmo}}{{Template:Seaplane}}) which has a more effective Artillery Spotting Cut-In, while providing better stats than secondary guns.
 
:* Note: Official tweets state that overuse of cannons larger than what a BB is meant for will make it "overweight" and incur a "minor" accuracy penalty. (''I.e.'' Too many 46cm or even 41cm cannons on Fast Battleships such as Kongou-class and Bismarck.)
 
:* As with Heavy Cruisers, the [[Type 3 Shell]] setup ({{Template:RedGunHeavy}}{{Template:RedGunHeavy}}{{Template:GreenAmmo}}{{Template:Seaplane}}) is effective against installation-type/land base enemies.
 
* '''Carriers'''
 
:* Planes. Enough Fighters to achieve Air Superiority or Supremacy, fill out with Torpedo Bombers on larger slots for preemptive bombing damage and/or Dive Bombers on smaller slots for shelling damage.
 
:* Torpedo Bombers and Dive Bombers are roughly equivalent to each other. While Torpedo Bombers have the advantage in the preemptive aerial bombing, their damage are dependent on number of surviving planes, making air superiority very important for them. In cases where Air Superiority is not feasible, using more Dive Bombers may prove more effective.
 
:* It is possible to equip [[List of Secondary Guns by stats|Secondary Guns]] like the [[15.5cm Triple Gun Mount (Secondary)|15.5cm Triple Gun Mount]] or the special [[Skilled Carrier-based Aircraft Maintenance Personnel|SCAMP]] to increase the carrier's range and put it higher in the Range Order shelling phase, which can be very useful for prioritizing the CV(L) damage when in a DD heavy fleet.
 
:* To save bauxite (especially in exercises against other fleets), a combination of two [[15.5cm Triple Gun Mount (Secondary)|15.5cm Triple Gun Mount]] and/or [[Skilled Carrier-based Aircraft Maintenance Personnel|SCAMP]] with a [[Saiun]] and a single bomber in the 4th slot can allow powerful shelling attacks at the cost of opening airstrike potency ({{Template:YellowGun}}{{Template:YellowGun}}{{YellowPlane}}{{RedPlane}}).
 
  
===Full Setup List===
 
* What follows is an extensive list of possible equipment setups related to Artillery Spotting and Night Battle attacks.
 
* {{color|gold|Yellow}}: Cut-In or Double Attack Possible
 
  
====Two Slots====
+
Other mechanics available on this menu:
{| class="mw-collapsible mw-collapsed wikitable" style="width:580px;"
+
* This UI can be hidden by clicking once or twice on the flagship, to see the map.
|-
+
** The [[Fleet Preview|Enemy composition preview]] once hidden.
! colspan="4" |Equipment
+
* The smoke screen button if a {{Smoke}} [[Smoke Generator]] is equiped in the fleet.
!Day Battle
+
 
!Modifier
+
=Victory Conditions=
!Night battle
+
Once the battle ended, a damage gauge is displayed on the post-combat screen for each allied and enemy fleet, using the following calculation:
!Modifier
 
|-
 
| colspan="8" style="text-align:center;" |As no 2 slot setup can trigger special attacks during the day,<br />2 slot setups are primarily night combat focused.
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{Template:Radar}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{Template:RedAmmo}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Double Attack
 
| style="text-align:center; background-color: Gold;" |120% x 2
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Double Attack
 
| style="text-align:center; background-color: Gold;" |120% x 2
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Cut-In (Mixed)
 
| style="text-align:center; background-color: Gold;" |130% x 2
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{Template:Radar}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{Template:RedAmmo}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Double Attack
 
| style="text-align:center; background-color: Gold;" |120% x 2
 
|-
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{Template:Radar}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{Template:RedAmmo}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Cut-In (Torpedo)
 
| style="text-align:center; background-color: Gold;" |150% x 2
 
|-
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{Template:Radar}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{Template:RedAmmo}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{Template:Radar}}
 
| style="text-align:center;" |{{Template:Radar}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{Template:Radar}}
 
| style="text-align:center;" |{{Template:RedAmmo}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{Template:RedAmmo}}
 
| style="text-align:center;" |{{Template:RedAmmo}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|}
 
  
====Three Slots====
+
{{Formula
{| class="mw-collapsible mw-collapsed wikitable" style="width:580px;"
+
|Title=Gamage Gauge Formula
|-
+
|Math=\text{Damage}_\text{%} = \frac{\text{Fleet}_\text{HP lost} }{\text{Fleet}_\text{HP} }
! colspan="4" |Equipment
+
|Var=<math>\text{Fleet}_\text{HP lost}</math> the total amount of HP lost by ships in the fleet,
!Day Battle
+
* <math>\text{Fleet}_\text{HP}</math> the total amount of HP of the fleet at the start of the battle.
!Modifier
+
**It may be lower than the maximum HP possible,
!Night battle
+
|Notes=For [[Combined Fleet]]s, the HP of both sub-fleets are counted.
!Modifier
+
*Is rounded to 100 % in cases it goes beyond that (when using [[Repair Goddess]]es).
|-
+
}}
| colspan="8" style="text-align:center;" |Day Combat Focus
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" | -
 
| style="text-align:center; background-color: Gold;" |Double Attack
 
| style="text-align:center; background-color: Gold;" |120% x 2
 
| style="text-align:center; background-color: Gold;" |Double Attack
 
| style="text-align:center; background-color: Gold;" |120% x 2
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" | -
 
| style="text-align:center; background-color: Gold;" |Cut-In
 
| style="text-align:center; background-color: Gold;" |110%
 
| style="text-align:center; background-color: Gold;" |Double Attack
 
| style="text-align:center; background-color: Gold;" |120% x 2
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Cut-In (Mixed)
 
| style="text-align:center; background-color: Gold;" |130% x 2
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{Template:Radar}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{Template:RedAmmo}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Double Attack
 
| style="text-align:center; background-color: Gold;" |120% x 2
 
|-
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{Template:Radar}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{Template:RedAmmo}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Cut-In (Torpedo)
 
| style="text-align:center; background-color: Gold;" |150% x 2
 
|-
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{Template:Radar}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{Template:RedAmmo}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{Template:Radar}}
 
| style="text-align:center;" |{{Template:Radar}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{Template:Radar}}
 
| style="text-align:center;" |{{Template:RedAmmo}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{Template:RedAmmo}}
 
| style="text-align:center;" |{{Template:RedAmmo}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" | -
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| colspan="8" style="text-align:center;" |Night Combat Focus
 
|-
 
| colspan="8" style="text-align:center;" |For Night Combat setups, see Day Combat 4 slot setups below and ignore the seaplane.<br />The Day attack will be a Single Attack at 100%.
 
|}
 
  
====Four Slots====
+
The following conditions must be met to attain each rank:
{| class="mw-collapsible mw-collapsed wikitable" style="width:580px;"
+
{|class="wikitable" style="width:75%; margin:auto; text-align:center"
|-
+
!Victory State
! colspan="4" |Equipment
+
!Rank
!Day Battle
+
!Common name
!Modifier
+
!Conditions
!Night battle
 
!Modifier
 
|-
 
| colspan="8" style="text-align:center;" |Day Combat Focus
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center; background-color: Gold;" |Double Attack
 
| style="text-align:center; background-color: Gold;" |120% x 2
 
| style="text-align:center; background-color: Gold;" |Cut-In (Gun)
 
| style="text-align:center; background-color: Gold;" |200%
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center; background-color: Gold;" |Double or Cut-In
 
| style="text-align:center; background-color: Gold;" |120% x 2 or 110%
 
| style="text-align:center; background-color: Gold;" |Cut-In (Gun)
 
| style="text-align:center; background-color: Gold;" |175%
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center; background-color: Gold;" |Double Attack
 
| style="text-align:center; background-color: Gold;" |120% x 2
 
| style="text-align:center; background-color: Gold;" |Cut-In (Mixed)
 
| style="text-align:center; background-color: Gold;" |130% x 2
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{Template:Radar}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center; background-color: Gold;" |Double Attack
 
| style="text-align:center; background-color: Gold;" |120% x 2
 
| style="text-align:center; background-color: Gold;" |Double Attack
 
| style="text-align:center; background-color: Gold;" |120% x 2
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{Template:RedAmmo}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center; background-color: Gold;" |Double or Cut-In
 
| style="text-align:center; background-color: Gold;" |120% x 2 or 150%
 
| style="text-align:center; background-color: Gold;" |Double Attack
 
| style="text-align:center; background-color: Gold;" |120% x 2
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center; background-color: Gold;" |Cut-In
 
| style="text-align:center; background-color: Gold;" |110%
 
| style="text-align:center; background-color: Gold;" |Double Attack
 
| style="text-align:center; background-color: Gold;" |120% x 2
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center; background-color: Gold;" |Cut-In
 
| style="text-align:center; background-color: Gold;" |110%
 
| style="text-align:center; background-color: Gold;" |Cut-In (Mixed)
 
| style="text-align:center; background-color: Gold;" |130% x 2
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{Template:Radar}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center; background-color: Gold;" |Cut-In
 
| style="text-align:center; background-color: Gold;" |120%
 
| style="text-align:center; background-color: Gold;" |Double Attack
 
| style="text-align:center; background-color: Gold;" |120% x 2
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{Template:RedAmmo}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center; background-color: Gold;" |Cut-In
 
| style="text-align:center; background-color: Gold;" |130%
 
| style="text-align:center; background-color: Gold;" |Double Attack
 
| style="text-align:center; background-color: Gold;" |120% x 2
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Cut-In (Torpedo)
 
| style="text-align:center; background-color: Gold;" |150% x 2
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{Template:Radar}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Cut-In (Mixed)
 
| style="text-align:center; background-color: Gold;" |130% x 2
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{Template:RedAmmo}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Cut-In (Mixed)
 
| style="text-align:center; background-color: Gold;" |130% x 2
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{Template:Radar}}
 
| style="text-align:center;" |{{Template:Radar}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{Template:Radar}}
 
| style="text-align:center;" |{{Template:RedAmmo}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{Template:RedAmmo}}
 
| style="text-align:center;" |{{Template:RedAmmo}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
|-
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Double Attack
 
| style="text-align:center; background-color: Gold;" |120% x 2
 
|-
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Double Attack
 
| style="text-align:center; background-color: Gold;" |120% x 2
 
|-
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{Template:Radar}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Double Attack
 
| style="text-align:center; background-color: Gold;" |120% x 2
 
|-
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{Template:RedAmmo}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Double Attack
 
| style="text-align:center; background-color: Gold;" |120% x 2
 
|-
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Cut-In (Torpedo)
 
| style="text-align:center; background-color: Gold;" |150% x 2
 
|-
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Cut-In (Torpedo)
 
| style="text-align:center; background-color: Gold;" |150% x 2
 
|-
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{Template:Radar}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Cut-In (Torpedo)
 
| style="text-align:center; background-color: Gold;" |150% x 2
 
|-
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{Template:RedAmmo}}
 
| style="text-align:center;" |{{Template:Seaplane}}
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Cut-In (Torpedo)
 
| style="text-align:center; background-color: Gold;" |150% x 2
 
|-
 
| colspan="8" style="text-align:center;" |Night Combat Focus
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Cut-In (Gun)
 
| style="text-align:center; background-color: Gold;" |200%
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Cut-In (Gun)
 
| style="text-align:center; background-color: Gold;" |200%
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Cut-In (Gun)
 
| style="text-align:center; background-color: Gold;" |200%
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Cut-In (Gun)
 
| style="text-align:center; background-color: Gold;" |175%
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Cut-In (Gun)
 
| style="text-align:center; background-color: Gold;" |175%
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Cut-In (Torpedo)
 
| style="text-align:center; background-color: Gold;" |150% x 2
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Double Attack
 
| style="text-align:center; background-color: Gold;" |120% x 2
 
|-
 
| style="text-align:center;" |{{RedGunMedium}}
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{YellowGun}}
 
| style="text-align:center;" |{{TorpedoWeapon}}
 
| style="text-align:center;" |Single Attack
 
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Cut-In (Mixed)
 
| style="text-align:center; background-color: Gold;" |130% x 2
 
 
|-
 
|-
| style="text-align:center;" |{{RedGunMedium}}
+
!rowspan=4|Victory
| style="text-align:center;" |{{YellowGun}}
+
|{{TextGlow|'''Total Victory: S<br>(完全勝利S)'''|black|text-colour=gold|glow-size=2px}}
| style="text-align:center;" |{{TorpedoWeapon}}
+
|{{TextGlow|'''Perfect S'''|black|text-colour=gold|glow-size=2px}}
| style="text-align:center;" |{{TorpedoWeapon}}
+
|style="text-align:left|
| style="text-align:center;" |Single Attack
+
* Sink all enemy ships, while taking no damage in return.
| style="text-align:center;" |100%
+
* In [[Combat/Map Mechanics and Nodes#Short Battle Nodes|Short Battle Nodes]], take 0 damage.
| style="text-align:center; background-color: Gold;" |Cut-In (Torpedo)
 
| style="text-align:center; background-color: Gold;" |150% x 2
 
 
|-
 
|-
| style="text-align:center;" |{{RedGunMedium}}
+
|{{TextGlow|'''Victory: S<br>(勝利S)'''|black|text-colour=gold|glow-size=2px}}
| style="text-align:center;" |{{TorpedoWeapon}}
+
|{{TextGlow|'''S rank'''|black|text-colour=gold|glow-size=2px}}
| style="text-align:center;" |{{TorpedoWeapon}}
+
|style="text-align:left|
| style="text-align:center;" |{{TorpedoWeapon}}
+
* Sink all enemy ships.
| style="text-align:center;" |Single Attack
+
* In [[Combat/Map Mechanics and Nodes#Short Battle Nodes|Short Battle Nodes]], take less than 5% damage.
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Cut-In (Torpedo)
 
| style="text-align:center; background-color: Gold;" |150% x 2
 
 
|-
 
|-
| style="text-align:center;" |{{YellowGun}}
+
|{{colour|red|'''Victory: A<br>(勝利A)'''}}
| style="text-align:center;" |{{YellowGun}}
+
|{{colour|red|'''A rank'''}}
| style="text-align:center;" |{{YellowGun}}
+
|style="text-align:left|
| style="text-align:center;" |{{YellowGun}}
+
* Sink 2/3 of the enemy ships.
| style="text-align:center;" |Single Attack
+
* In [[Combat/Map Mechanics and Nodes#Short Battle Nodes|Short Battle Nodes]], take between 5% and 10% damage.
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Double Attack
 
| style="text-align:center; background-color: Gold;" |120% x 2
 
 
|-
 
|-
| style="text-align:center;" |{{YellowGun}}
+
|{{TextGlow|'''Tactical Victory: B<br>(戦術的勝利B)'''|black|text-colour=orange|glow-size=2px}}
| style="text-align:center;" |{{YellowGun}}
+
|{{TextGlow|'''B rank'''|black|text-colour=orange|glow-size=2px}}
| style="text-align:center;" |{{YellowGun}}
+
|style="text-align:left|
| style="text-align:center;" |{{TorpedoWeapon}}
+
* Sink the enemy flagship and have fewer ships sunk than the enemy.
| style="text-align:center;" |Single Attack
+
* If the enemy flagship survives and the Damage % gauge is at least 2.5x less than the enemy's.
| style="text-align:center;" |100%
+
* In [[Combat/Map Mechanics and Nodes#Short Battle Nodes|Short Battle Nodes]], take between 10% and 20% damage.
| style="text-align:center; background-color: Gold;" |Double Attack
+
* ''If any of the ships sink, this is the maximum rank obtainable''.
| style="text-align:center; background-color: Gold;" |120% x 2
 
 
|-
 
|-
| style="text-align:center;" |{{YellowGun}}
+
!rowspan=4|Defeat
| style="text-align:center;" |{{YellowGun}}
+
|{{TextGlow|'''Tactical Defeat: C<br>(戦術的敗北C)'''|black|text-colour=Yellow|glow-size=2px}}
| style="text-align:center;" |{{TorpedoWeapon}}
+
|{{TextGlow|'''C Rank'''|black|text-colour=Yellow|glow-size=2px}}
| style="text-align:center;" |{{TorpedoWeapon}}
+
|style="text-align:left|
| style="text-align:center;" |Single Attack
+
* The enemy flagship survives and the Damage % gauge is between 0.5x and 2.5x less than the enemy's.
| style="text-align:center;" |100%
+
** Also applies when sinking any ship during the battle.
| style="text-align:center; background-color: Gold;" |Cut-In (Torpedo)
+
* If the enemy flagship is sunk but the enemy has fewer sunken ships, as well as having the Damage % gauge between 0.5x and 2.5x less than the enemy's.
| style="text-align:center; background-color: Gold;" |150% x 2
+
* In [[Combat/Map Mechanics and Nodes#Short Battle Nodes|Short Battle Nodes]], take between 50% and 20% damage.
 
|-
 
|-
| style="text-align:center;" |{{YellowGun}}
+
|{{TextGlow|'''Defeat: D<br>(敗北D)'''|black|text-colour=lime|glow-size=2px}}
| style="text-align:center;" |{{TorpedoWeapon}}
+
|{{TextGlow|'''D rank'''|black|text-colour=lime|glow-size=2px}}
| style="text-align:center;" |{{TorpedoWeapon}}
+
|style="text-align:left|
| style="text-align:center;" |{{TorpedoWeapon}}
+
* If the enemy flagship survives and the Damage % gauge is less than 0.5x of the enemy's.
| style="text-align:center;" |Single Attack
+
* If the Damage % dealt is 0.05% (essentially 0).
| style="text-align:center;" |100%
+
* If both fleets deal no damage to each other.
| style="text-align:center; background-color: Gold;" |Cut-In (Torpedo)
+
** This applies to submarine vs submarine battles and air battle nodes.
| style="text-align:center; background-color: Gold;" |150% x 2
+
* Ships are sunk but not enough to meet the conditions for E.
 +
* In [[Combat/Map Mechanics and Nodes#Short Battle Nodes|Short Battle Nodes]], take heavy damage.
 
|-
 
|-
| style="text-align:center;" |{{TorpedoWeapon}}
+
|{{TextGlow|'''Defeat: E'''<br>(敗北E)'''|lightgray|text-colour=blue|glow-size=1px}}
| style="text-align:center;" |{{TorpedoWeapon}}
+
|{{TextGlow|'''E rank'''|lightgray|text-colour=blue|glow-size=1px}}
| style="text-align:center;" |{{TorpedoWeapon}}
+
|style="text-align:left|
| style="text-align:center;" |{{TorpedoWeapon}}
+
* The enemy flagship survives and the number of sunk ships in the fleet meets the minimum kill requirements.
| style="text-align:center;" |Single Attack
+
** Not meeting the requirements for a D Rank.
| style="text-align:center;" |100%
 
| style="text-align:center; background-color: Gold;" |Cut-In (Torpedo)
 
| style="text-align:center; background-color: Gold;" |150% x 2
 
 
|}
 
|}
  
==Victory Conditions==
+
;Notes
Damage Gauge calculation: (Sum of enemy fleet HP reduced) / (Sum of enemy fleet HP at start of combat) × 100%
+
* B-ranks are the minimum victory requirements for:
In PvP, even those considered "sunk" are treated as having 1HP remaining for gauge calculation. (This is clearly visible against a submarine fleet.)
+
** Obtaining [[drop]]s.
Higher conditions have higher priority on this list. Unless specified, the condition assumes no friendly ship sunk.
+
** Clearing a map without a boss gauge.
 +
* Drops (both rate and pool) scale based on rank obtained. Some drops might be exclusive to higher ranks.
 +
* Perfect S (Total Victory) ranks count as a regular S-Rank.
 +
** Perfect S is fulfilled if all ships' final HPs on battle ended is greater than or equal to initial HPs on battle started.
 +
** So it is possible to obtain a perfect S if the only damaged ship has used a '''[[Repair Goddess]]''' in battle, and her final HP is still greater than or equal to her initial.  
  
;Perfect S
+
==MVP==
*All enemy ships sunk and Enemy Damage Gauge is 0%.
+
At the end of combat, one girl is picked as the MVP. She gains exp and morale bonuses. For more details, please see ''[[Experience and Rank]]'' and ''[[Morale and Fatigue]]''.
(In PvP, no damage taken and all enemy ships considered "sunk".
 
;S (Victory)
 
*All enemy ships sunk.
 
:*If any friendly ship is sunk, it is B Victory instead.
 
*In PvP, all enemy ships "sunk".
 
:*If any friendly ship would be considered "sunk", then it would be a B Victory instead, as well.
 
;A (Victory)
 
*Required number of enemy ships sunk.
 
:*In this case damage gauge does not matter.
 
:*Enemy flagship does not need to be sunk.
 
:*Cannot happen if enemy fleet consists of only 1 ship.
 
;B (Tactical Victory)
 
*''Note:'' This rank is the minimum requirement to clear maps without boss gauge.
 
*Enemy flagship sunk, no friendly ship sunk (in this case damage gauge does not matter)
 
*Enemy flagship alive, no friendly ship sunk, A victory condition not satisfied, Damage gauge at least 2.5 times of the enemy damage gauge.
 
*Enemy flagship alive, A victory condition fulfilled, Damage gauge at least 2.5 times of the enemy damage gauge.
 
*Enemy flagship alive, A victory condition not fulfilled, Damage gauge at least 3 times of the enemy damage gauge (multiplier in question)
 
*Enemy flagship sunk, friendly ship sunk and number of friendly ships sunk < number of enemy ships sunk.
 
;C (Tactical Defeat)
 
*Enemy flagship alive, Damage gauge higher than enemy gauge but not reaching 2.5 times as much.
 
*Enemy flagship alive, friendly ship sunk, A victory condition fulfilled, Damage gauge higher than enemy damage gauge but not reaching 2.5 times as much.
 
*Enemy flagship alive, friendly ship sunk, A victory condition not fulfilled, Damage gauge higher than enemy damage gauge but not reaching the multiplier required for B Victory (see 4th B Victory condition)
 
*Enemy flagship sunk, friendly ship sunk, friendly ship sunk and number of friendly ships sunk ≥ number of enemy ships sunk. (Note that maps with boss gauges, such as 4-4, 5-3, event maps, etc, can be cleared under this condition.)
 
;D (Defeat)
 
*Enemy took less than a certain amount of damage (Own gauge is less than 0.05%).
 
:*Both sides taking 0 damage is also D.
 
*Enemy flagship alive, damage gauge lower than enemy gauge (C is possible under this condition if both sides have a high gauge)
 
*Enemy flagship alive, friendly ship sunk, damage gauge lower than enemy gauge, but not fulfilling E loss condition.
 
<!-- *Fulfilling E loss condition with only 1 ship in fleet. -->
 
;E (Defeat)
 
*Enemy flagship alive, over a certain number of friendly ships sunk. (see below)
 
===Notes===
 
*The Minimum Sunk Requirement:
 
:* 4 ships out of a fleet of 6
 
:* 3 ships out of a fleet of 5
 
:* 2 ships out of a fleet of 4
 
:* 2 ships out of a fleet of 3
 
:* 1 ship out of a fleet of 2
 
*Victory status affects the chance of getting drops and rare drops on the specified node.
 
:*B rank or above is necessary to obtain drops.
 
:*A rank or above is typically necessary for obtaining rare drops.
 
:*S rank has a higher chance of obtaining rare drops than A rank, and is required for some very rare drops.
 
  
==Additional Explanation/Details==
+
The way MVP is determined is:
{{reflist}}
+
* The girl who deals the highest total damage (sum of all attacks during the combat) is awarded MVP. This damage is not weighted.
 +
* If multiple girls are tied for damage, the MVP goes to the topmost girl in the fleet order.
 +
* If the ship achieving the most damage would be sunk in the battle, MVP is rewarded to the next highest damage dealer instead.
 +
** As such, if no damage is dealt to the enemy, the flagship automatically receives MVP.
 +
* Battles ending in an E-Rank have no MVP.
 +
* In a Combined Fleet, each fleet has its own independent MVP.
  
[[zh:战斗]]
+
=See Also=
[[Category:Calculation]]
+
{{Mechanics}}
[[Category:Help]]
 
[[Category:Game System]]
 
[[Category:Game Mechanics]]
 

Latest revision as of 16:13, 22 September 2024

Combat Portal
AircraftAerial Combat Day Battle Night Battle PowerNight Battle
LBAS
Jet Assault  · AACI
Battle Opening  · Artillery Spotting  · Anti-Submarine Warfare Cut-In
Support Expedition  · Special Attacks  · Anti-Installation  · Friendly Fleet  · Drop
Map Mechanics and Nodes  · Evacuation  · Damage Calculations  · Accuracy, Evasion and Criticals  · Shooting Order and Targeting

Combat is a major component of the game in Kantai Collection. Combat is accessed through the Sortie menu by selecting a map to send a fleet. Multiple mechanics weave together to create an intricate combat dynamic. For more detailed explanations on the various combat mechanics, please see the individual pages below. Exercises also consist of one surface combat.

Combat Phases

On each node, combat will consist of several "Combat Phases". The number of combat phases depends on the node type, with each node type using a different set of combat phases and order.

  • See Nodes for more details.
  • Using a Combined Fleet will also affect the phases, especially during the shelling.

The combat phases are made out of:

Day Battle Night Battle Power Night Battle
Line of Sight
Detection
Aircraft Aerial Combat Firepower Surface Combat
  1. LBAS's Jet Assault
  2. Fleet's Jet Assault
  3. Land-Based Aerial Support
  4. Stage 1 - Battle for Air Superiority
  5. Stage 2 - Fleet Anti-Air Defense
  6. Stage 3 - Airstrike
  1. Engagement
  2. Support Expedition
  3. Battle Openings
  4. 1st Shelling Phase
  5. 2nd Shelling Phase
  6. Closing Torpedo Salvo
  1. Friendly Fleet (event only)
  2. Support Expedition*
  3. Night Contact and Spotting
  4. Night Shelling Phase

Formation Selection

If the fleet currently deployed has 4 or more ships, the player will be prompted to pick a fleet formation before every battle. Fleets with 3 or less ships will not have a fleet formation prompt and will default to Line Ahead.

  • Sunk ships and ships evacuated with a Command FacilityFleet Command Facility
    Striking Force Fleet Command Facility
    Elite Torpedo Squadron Command Facility
    are not counted.
  • Diamond Formation requires 5 or more ships present in the fleet to be selected.
  • Enemy fleets do not have these restrictions. Enemy fleets in Diamond formation with fewer than 4 ships lack formation graphics on the battle screen.

Combined Fleets have special formations that differ from the standard single fleet ones.

Formation Shelling Torpedo Anti-Submarine Night Battle AA Flagship Protection Notes
Damage Accuracy Evasion Damage Accuracy Evasion Damage Accuracy Evasion Damage Accuracy[1] Evasion
Line Ahead
単縦陣 (Tanjuu-jin?)
Formation 1: Line Ahead 100% 100% 100% 100% 100% 100% 60% 100% 100% 100% 100% 100% 100% 45%
Double Line
複縦陣 (Fukujuu-jin?)
Formation 2: Double Line 80% 120%[2] 100% 80% 80% 100% 80% 120% 100% 100% 90% 100% 120% 60%
Diamond
輪形陣 (Rinkei-jin?)
Formation 3: Diamond 70% 100% 110% 70% 40% 110% 120% 100% 100% 100% 70% 100% 160% 75%
Echelon
梯形陣 (Teikei-jin?)
Formation 4: Echelon 75% 120% 140%[3] 60% 75%[4][5] 130% 110% 120% 140%[6] 100% 90%[7] 130%[7] 100% 60% Single vs Single fleet battles
60% 120% 60% 100% 80% 110% Single vs Combined fleet battles (either way)[8]
Line Abreast
単横陣 (Tan'ou-jin?)
Formation 5: Line Abreast 60% 120% 130% 60% 30% 140% 130% 120% 110% 100% 80% 120% 100% 60%
Vanguard[9]
警戒陣 (Keikai-jin?)
Formation 6: Vanguard 50% 80%[10] See
below
100% 70%[11] See
below
100% ?? See
below
50% ?? See
below
110% Medium Upper half of the fleet
100% 120% 100% 90% 60% ?? 100% ?? 110% High Bottom half of the fleet
Accuracy Exceptions
Formation Day Shelling &
Carrier Attacks
Torpedo Attacks ASW Night Battles
Vanguard (Both) vs DD[12] additional 110% additional 120% ? ?
Double Line vs Line Abreast 100% N/A 100% N/A
Echelon vs Line Ahead
Line Abreast vs Echelon
Notes
  • Exact values were datamined from KanColle Kai for the Vita. Testing on the browser version has corroborated these results.
    • Values for Vanguard and the new Echelon are vague as they weren't introduced for KanColle Kai.

Flagship Protection

Flagship Protection is when a non-flagship protects the flagship from being targeted by receiving the attack instead. When activated, a "curved shield" animation plays in front of the flagship's banner.

Vanguard Formation

Vanguard is only available during Events, and is usable on any map during this time.

  • The modifiers on Vanguard Formation refer respectively to the "upper half" and "bottom half" of the fleet.
    • For a fleet with 6 or 7 ships, the top row applies to ships 1 to 3, and the bottom row applies to the remaining ships.
    • For a fleet with 4 or 5 ships, the top row applies to ships 1 and 2 and the bottom row applies to the remaining ships.
  • Damage and accuracy of Support Fleets are affected by the top row multipliers, meaning the 50% damage modifier is applied.

Vanguard gives an accuracy penalty to the opposite fleet. See here for more details.

The bottom half ships have an increased chance to be targeted.

  • The targeting is determined as follows:
    • 1. Target a ship from the fleet.
    • 2. If the selected ship is an upper half ship, target a ship from the fleet again.[1]
  • Target rate based on the above procedure (without other factor):
  • Bug: When the Vanguard is selected with a Combined Fleet (on night nodes only) the "number of ships" column is determined by using the in the main fleet number of ships[2].
    • E.g. With 4 ship main fleet and a 6 ship escort, the "4 ships" column is to be counted.
Target Rate
Fleet position Number of ships
4 5 6 7
1 12,50% 8,00% 8,33% 6,13%
2 12,50% 8,00% 8,33% 6,13%
3 37,50% 28,00% 8,33% 6,13%
4 37,50% 28,00% 25,00% 20,40%
5 28,00% 25,00% 20,40%
6 25,00% 20,40%
7 20,40%

Choosing a Formation

Formation Selection Screen

When selecting a formation, its modifiers will be applied to the entirety of the next battle node whenever applicable. Picking another formation will discard any previous formation bonuses and penalties and use the new modifiers instead. Each formation has a general use-case archetype based on its modifiers.

  • Line Ahead: All-out surface combat formation.
  • Double Line: All-around, high accuracy formation.
  • Diamond: Anti-Air formation.
  • Echelon: Mixed surface-ASW combat formation.
  • Line Abreast: ASW formation.
  • Vanguard: Defensive/evasive & anti DD/PT Imp formation (event only).
  • Combined Fleet has other formations.


Other mechanics available on this menu:

Victory Conditions

Once the battle ended, a damage gauge is displayed on the post-combat screen for each allied and enemy fleet, using the following calculation:


Gamage Gauge Formula
[math]\displaystyle{ \text{Damage}_\text{%} = \frac{\text{Fleet}_\text{HP lost} }{\text{Fleet}_\text{HP} } }[/math]
With
  • [math]\displaystyle{ \text{Fleet}_\text{HP lost} }[/math] the total amount of HP lost by ships in the fleet,
  • [math]\displaystyle{ \text{Fleet}_\text{HP} }[/math] the total amount of HP of the fleet at the start of the battle.
    • It may be lower than the maximum HP possible,
Notes

The following conditions must be met to attain each rank:

Victory State Rank Common name Conditions
Victory Total Victory: S
(完全勝利S)
Perfect S
  • Sink all enemy ships, while taking no damage in return.
  • In Short Battle Nodes, take 0 damage.
Victory: S
(勝利S)
S rank
Victory: A
(勝利A)
A rank
Tactical Victory: B
(戦術的勝利B)
B rank
  • Sink the enemy flagship and have fewer ships sunk than the enemy.
  • If the enemy flagship survives and the Damage % gauge is at least 2.5x less than the enemy's.
  • In Short Battle Nodes, take between 10% and 20% damage.
  • If any of the ships sink, this is the maximum rank obtainable.
Defeat Tactical Defeat: C
(戦術的敗北C)
C Rank
  • The enemy flagship survives and the Damage % gauge is between 0.5x and 2.5x less than the enemy's.
    • Also applies when sinking any ship during the battle.
  • If the enemy flagship is sunk but the enemy has fewer sunken ships, as well as having the Damage % gauge between 0.5x and 2.5x less than the enemy's.
  • In Short Battle Nodes, take between 50% and 20% damage.
Defeat: D
(敗北D)
D rank
  • If the enemy flagship survives and the Damage % gauge is less than 0.5x of the enemy's.
  • If the Damage % dealt is 0.05% (essentially 0).
  • If both fleets deal no damage to each other.
    • This applies to submarine vs submarine battles and air battle nodes.
  • Ships are sunk but not enough to meet the conditions for E.
  • In Short Battle Nodes, take heavy damage.
Defeat: E
(敗北E)
E rank
  • The enemy flagship survives and the number of sunk ships in the fleet meets the minimum kill requirements.
    • Not meeting the requirements for a D Rank.
Notes
  • B-ranks are the minimum victory requirements for:
    • Obtaining drops.
    • Clearing a map without a boss gauge.
  • Drops (both rate and pool) scale based on rank obtained. Some drops might be exclusive to higher ranks.
  • Perfect S (Total Victory) ranks count as a regular S-Rank.
    • Perfect S is fulfilled if all ships' final HPs on battle ended is greater than or equal to initial HPs on battle started.
    • So it is possible to obtain a perfect S if the only damaged ship has used a Repair Goddess in battle, and her final HP is still greater than or equal to her initial.

MVP

At the end of combat, one girl is picked as the MVP. She gains exp and morale bonuses. For more details, please see Experience and Rank and Morale and Fatigue.

The way MVP is determined is:

  • The girl who deals the highest total damage (sum of all attacks during the combat) is awarded MVP. This damage is not weighted.
  • If multiple girls are tied for damage, the MVP goes to the topmost girl in the fleet order.
  • If the ship achieving the most damage would be sunk in the battle, MVP is rewarded to the next highest damage dealer instead.
    • As such, if no damage is dealt to the enemy, the flagship automatically receives MVP.
  • Battles ending in an E-Rank have no MVP.
  • In a Combined Fleet, each fleet has its own independent MVP.

See Also