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==Combat Stages==
+
{{CombatPortal}}
{| border="0" cellpadding="1" cellspacing="1" class="article-table" style="width:900px;"
+
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.
|-
 
! scope="col" style="width:200px; text-align:center;"|Stage
 
! scope="col" style="width:700px; text-align:center;"|Notes
 
|-
 
|Detection
 
|
 
Requires planes or high detection stat.<br />Success increases accuracy, evasion and allows [[Combat#.C2.A0Artillery_Spotting|Artillery Spotting]] .
 
  
Failure prevents participation of allied planes in the aerial combat phase.
+
=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.
|Aerial Combat
+
*''See [[Node]]s for more details.
|Requires any type of plane equipped as equipment on either side. Aerial Combat effect explained below.
+
*Using a [[Combined Fleet]] will also affect the phases, especially during the shelling.
|-
 
|Supporting Fire
 
|Sortie support expedition.
 
|-
 
|Opening Torpedo Salvo
 
|Requires torpedo cruisers, seaplane tenders or submarines equipped with midget subs ({{Template:TorpedoWeapon}}甲標的 甲 Type A ''Kou-hyouteki'').<br />Submarines with level 10 or higher can shoot the opening torpedo by themselves without having to equip a midget submarine.
 
|-
 
|Shelling, 1st Round<br />(Range Order)<ref name="Shell0">Shelling firing order is determined at the start of each shelling phase. The order alternates between allied and enemy ships, and ships unable to attack in shelling (damaged carriers, submarines, sunken ships, etc.) are skipped over to the next.</ref>
 
|Any carrier using bombers to attack during this phase must not have taken more than light damage in order to participate in the phase, with the exception of Armored Carriers (''e.g.'' Taihou) who must not have taken more than medium damage.
 
|-
 
|Shelling, 2nd Round<br />(Lineup Order)<ref name="Shell2">See above.</ref>
 
|Only occurs when either side has a battleship or if the enemy contains one of the special ship classes: 鬼 (''Oni''/Ogress), 姫 (''Hime/''Princess), 戦鬼 (''Senki/''Battle Ogress), or 戦姫 (''Senki/''Battle Princess).
 
|-
 
|Torpedo Salvo
 
|Must not have taken more than light damage to participate.
 
|-
 
|Night Combat
 
|Attacks occur in lineup order from top to bottom, alternating between sides. Must not have taken more than moderate damage to participate.
 
|}
 
  
==Effects of Ship Damage==
+
The combat phases are made out of:
Amount of damage on a ship will affect its performance.
+
{|class="wikitable"
{| border="0" cellpadding="1" cellspacing="1" class="article-table" style="width: 800px; height: 100px;"
+
!colspan=3|☀ [[Day Battle]]
|No damage
+
!rowspan=2|{{NBPower}} [[Night Battle]]
|No effect on performance.
 
 
|-
 
|-
|Minor damage (小破) 
+
!rowspan=2|{{LOS}}<br>[[Detection]]
|No effect on performance.<br />+10% cut-in chance in night battle.
+
!{{Aircraft}} [[Aerial Combat]]
 +
!{{Firepower}} Surface Combat
 
|-
 
|-
|Moderate damage (中破)
 
 
|
 
|
Attack power -30%.<br />CV/CVL unable to participate in shelling phase (Taihou excluded).<br />Ships unable to participate in torpedo salvo phase.<br />+20% cut-in chance in night battle.
+
#LBAS's [[Jet Assault]]
|-
+
#Fleet's [[Jet Assault]]
|Heavy damage (大破)
+
#[[LBAS|Land-Based Aerial Support]]
 +
#[[Air Power|Stage 1 - Battle for Air Superiority]]
 +
#[[Anti-Air|Stage 2 - Fleet Anti-Air Defense]]
 +
#[[Airstrike|Stage 3 - Airstrike]]
 
|
 
|
Attack power -60%.<br />CV/CVL unable to participate in shelling phase.<br />Ships unable to participate in torpedo salvo phase and night battle.<br />Unable to activate searchlight in night battle when ship HP is lower than 2. 
+
#[[Engagement]]
|}
+
#[[Support Expedition]]
 
+
#[[Battle Opening]]s
==Aerial Combat==
+
#[[Shelling|Shelling Phase]]
<span style="font-size:17px;font-weight:bold;">Aerial Combat Stages</span>
+
#[[Day Battle#Second Shelling Phase|Second Shelling Phase]]
{| border="0" cellpadding="1" cellspacing="1" class="article-table" style="width:800px;"
+
#[[Closing Torpedo Salvo]]
|-
 
! scope="col" style="text-align:center;"|Stage
 
! scope="col" style="text-align:center;"|Notes
 
|-
 
|Fighter Combat
 
|Battle for air supremacy by fighter planes
 
|-
 
|Anti-bomber Combat
 
|Number of bombers shot down by fighters is affected by the result of the previous phase
 
|-
 
|Fleet Anti-air Defense
 
|Fleet defends against enemy bombers
 
|-
 
|Bombing
 
|See ''Damage Calculation'' for details
 
|}
 
 
 
===Fighter Combat===
 
 
 
<center>
 
<math>\text {Fighter Power} = \sum^\text{All slots} \text{Floor(} \sqrt{\text{Number fighters in slot}} \times \text {Plane anti-air bonus} \text{)}</math>
 
</center>
 
 
 
Fighter planes, fighter-bombers, and Zuiun participate in Fighter Combat.
 
 
 
The allied fleet and enemy fleet's Fighter Powers are compared to determine the result of Fighter Combat:
 
{| border="0" cellpadding="1" cellspacing="1" class="article-table" style="width:710px;"
 
|-
 
! 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:255px; text-align:center;"|Notes
 
|-
 
|FP ≥ 3*EFP
 
|Air Supremacy
 
|<span style="color:green">'''制空権確保!'''</span><br />''Seikuuken Kakuho!''
 
|Few allied planes shot down.
 
|-
 
|3*EFP > FP ≥ 1.5*EFP
 
|Air Superiority
 
|<span style="color:green">'''航空優勢! '''</span><br />''Koukuu Yuusei!''
 
|Some planes lost.
 
|-
 
|1.5*EFP > FP ≥ 2/3*EFP
 
|Air Parity
 
|No text displayed
 
|About equal losses on both sides.
 
|-
 
|2/3*EFP > FP ≥ 1/3*EFP
 
|Air Incapability
 
|<span style="color:red">'''制空権喪失! '''</span><br />''Seikuuken Soushitsu!''
 
|Many planes lost.
 
|-
 
|FP ≤ 1/3*EFP
 
|Air Denial
 
|<span style="color:red">'''制空権喪失! '''</span><br />''Seikuuken Soushitsu!''
 
 
|
 
|
|}
+
#[[Friendly Fleet]] (event only)
*EFP: Enemy Fighter Power, FP: Fighter Power. Abbreviated to save space.
+
#[[Support Expedition]]*
*This calculation does not take into account any anti-air weaponry equipped on ships. Carrier anti-air stat is also not considered.
+
#[[Night Battle#Night Contact and Spotting|Night Contact and Spotting]]
*Even if allied planes secure air supremacy, planes can still be lost due to the subsequent anti-air defense stages.
+
#[[Night Battle#Night Shelling Phase|Night Shelling Phase]]
*If enemy has no fighters, it'll always show "'''''Air Supremacy'''''" if you have airplanes on your side. Likewise, when the enemy has fighters while you don't, "'''''Air Denial'''''" will be shown.
 
====Enemy Ship Fighter Power====
 
{| border="0" cellpadding="1" cellspacing="1" class="article-table" style="width:700px;"
 
|-
 
! scope="col" style="text-align:center; width:280px;"|Enemy Ship Type
 
! scope="col" style="text-align:center;"|Fighter Power
 
! scope="col" style="text-align:center; width:300px;"|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
 
|[[Standard Carrier Wo-Class]] Flagship Kai
 
| style="text-align:center;"|102
 
|-
 
|[[Battleship Re-Class]]
 
| style="text-align:center;"|94
 
| style="text-align:center;"|
 
| style="text-align:center;"|
 
|-
 
|[[Battleship Re-Class]] Elite
 
| style="text-align:center;"|107
 
| style="text-align:center;"|
 
| style="text-align:center;"|
 
|}
 
 
 
===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{Planes Shot Down} = \text{Floor((Ship AA } + \text{Floor(Fleet Anti-air Bonus} \times \text{Formation Modifier))} \times 0.2125\text{)}</math> <math>\text{Fleet Anti-air Bonus} = \text{Floor(} \sum^\text{All slots}\text{Equipment AA Bonus} \times \text{Equipment Modifier)}</math>
 
</center>
 
====Formation Modifiers====
 
{| border="0" cellpadding="1" cellspacing="1" class="article-table" style="width:350px;"
 
|-
 
! 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====
 
{| border="0" cellpadding="1" cellspacing="1" class="article-table" style="width:350px;"
 
|-
 
! scope="col"|Equipment Type                            
 
! scope="col" style="text-align:center;"|Modifier
 
|-
 
|46cm Triple Gun Mount
 
| style="text-align:center;"|0.25
 
|-
 
|High-angle Cannons
 
| 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 planes.
+
==Formation Selection==
*The forward sliding and machine gun animations seem to have no correlation with the calculations.
+
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'''.
*These calculations only apply for the allied fleet's anti-air defense.
+
* 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.
  
==Damage Calculation==
+
{|class="wikitable" style="text-align:center"
<span style="font-size:17px;font-weight:bold;">Main Formula</span>
+
!rowspan=2 colspan=2|Formation
{| border="0" cellpadding="1" cellspacing="1" class="article-table" style="width: 800px;"
+
!colspan=3|Shelling
|-
+
!colspan=3|Torpedo
! rowspan="3" scope="col" style="text-align:center;"|'''Damage ='''
+
!colspan=3|Anti-Submarine
! scope="col"|<center>'''Basic Attack Power<br />x<br />Pre-Cap Modifiers'''</center>
+
!colspan=3|[[Night Battle]]
! scope="col"|x
+
!rowspan=2|AA
! scope="col"|<center>'''Critical Modifier'''</center>
+
!rowspan=2|[[Flagship Protection]]
! scope="col"| -
+
!rowspan=2|Notes
! scope="col"|<center>'''Enemy Armor'''</center>
 
! scope="col"|x
 
! scope="col"|<center>'''Random Number<br />(between 2/3 ~ 4/3)'''</center>
 
|-
 
! colspan="7" rowspan="1" scope="col" style="text-align:center;"|x
 
 
|-
 
|-
! colspan="7" rowspan="1" scope="col" style="text-align:center;"|<center>'''Remaining Ammo Modifier'''</center>
+
!Damage!!Accuracy!!Evasion
 +
!Damage!!Accuracy!!Evasion
 +
!Damage!!Accuracy!!Evasion
 +
!Damage!!Accuracy<ref>Measured and corroborated with Vita values.</ref>!!Evasion
 
|-
 
|-
| colspan="8" |Notes:
+
|width=140px|Line Ahead<br>{{Nihongo|単縦陣|''Tanjuu-jin''}}
 
+
|{{LineAhead}}
 
+
|style="color:red"|'''100%'''
*''If the result is less than 1 or very low, it becomes scratch damage, which does a maximum of about 10% of current target HP (needs verification).''
+
|100%
*''If [Basic attack power x Pre-cap modifiers] exceeds a certain cap, it will be modifed -- [[Combat#Attack_power_cap_.28applies_after_pre-cap_modifiers.29|see below]]''
+
|100%
*''This formula is under constant review and updated accordingly if there any inconsistencies or mistakes happens.''
+
|style="color:red"|'''100%'''
|}
+
|style="color:red"|'''100%'''
 
+
|100%
 
+
|60%
<span style="font-size:15px;font-weight:bold;">Basic Attack Power</span>
+
|100%
{| border="0" cellpadding="1" cellspacing="1" class="article-table article-table-selected" style="width:1000px;"
+
|100%
|-
+
|100%
! scope="col" style="text-align:center; width:210px;"|Type
+
|style="color:red"|'''100%'''
! scope="col" style="text-align:center; width:530px;"|Basic Attack Power
+
|100%
! scope="col" style="text-align:center; width:260px;"|Notes
+
|100%
|-
+
|45%
|Aerial Combat
 
|Attack Type Modifier ''(see below)'' × [(Aircraft's divebomb or torp stat) × √(number of planes) + 25]
 
|Number of planes is post anti-bomber combat and fleet anti-air defense
 
|-
 
|Shelling (except Carriers)
 
|Firepower + 5
 
 
|
 
|
 
|-
 
|-
|Shelling (Carrier only)
+
|Double Line<br>{{Nihongo|複縦陣|''Fukujuu-jin''}}
|(Firepower + Torpedo) × 1.5 + Dive Bomber Stat × 2 + 55
+
|{{DoubleLine}}
 +
|80%
 +
|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>
 +
|100%
 +
|80%
 +
|80%
 +
|100%
 +
|80%
 +
|style="color:red"|'''120%'''
 +
|100%
 +
|100%
 +
|90%
 +
|100%
 +
|120%
 +
|60%
 
|
 
|
 
|-
 
|-
|Torpedo/Preemptive Torpedo
+
|Diamond<br>{{Nihongo|輪形陣|''Rinkei-jin''}}
|Torpedo + 5
+
|{{Diamond}}
 +
|70%
 +
|100%
 +
|110%
 +
|70%
 +
|40%
 +
|110%
 +
|120%
 +
|100%
 +
|100%
 +
|100%
 +
|70%
 +
|100%
 +
|style="color:red"|'''160%'''
 +
|style="color:red"|'''75%'''
 
|
 
|
 
|-
 
|-
|Anti-sub warfare
+
|rowspan=2|Echelon<br>{{Nihongo|梯形陣|''Teikei-jin''}}
|(Original ASW <ref name="ASW0">Refers to ASW stat without any equipment.</ref> / 5, rounded down) + Equipment ASW <ref name="ASWE">Refers to the total of ASW stats that the equipment added to the ship's stats.</ref> × 2 + 10 or 25
+
|rowspan=2|{{Echelon}}
|10 for CVL/BBV/CAV; 25 for others
+
|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
 
|-
 
|-
|Night Battle
+
|60%
|Firepower + Torpedo
+
|120%
|Each may add a maximum of 150.
+
|60%
|}
+
|100%
 
+
|80%
====Attack Type Modifier (Plane Scaling)====
+
|110%
{| border="0" cellpadding="1" cellspacing="1" class="article-table" style="width:600px;"
+
|Single vs Combined fleet battles (either way)<ref>https://github.com/Tibowl/KCBugTracker/issues/24#issuecomment-872108225</ref>
 
|-
 
|-
! scope="col" style="width:250px; text-align:center;"|Type
+
|Line Abreast<br>{{Nihongo|単横陣|''Tan'ou-jin''}}
! scope="col" style="width:100px; text-align:center;"|Attack Type Modifier
+
|{{LineAbreast}}
! scope="col" style="width:550px; text-align:center;"|Notes
+
|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%
 +
|
 
|-
 
|-
|Dive Bombers, Seaplane Bombers
+
|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''}}
|1
+
|rowspan=2|{{Vanguard}}
|This value is fixed, regardless the situation.
+
|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
 
|-
 
|-
|Torpedo Fighters
+
|100%
|0.8 or 1.5
+
|style="color:red"|'''120%'''
|About 50% chance of either modifier.
+
|style="color:red"|'''100%'''
 +
|90%
 +
|60%
 +
|??
 +
|100%
 +
|??
 +
|110%
 +
|High
 +
|Bottom half of the fleet
 
|}
 
|}
  
===Formation Modifier (Pre-Cap Modifier)===
+
{|class="wikitable"
{| border="0" cellpadding="1" cellspacing="1" class="article-table" style="width: 860px;"
+
!colspan=5|Accuracy Exceptions
 
|-
 
|-
! scope="col" style="text-align:center; width:240px;"|Formation
+
!Formation
! scope="col" style="text-align:center; width:80px;"|Formation Icon
+
!Day Shelling &<br>Carrier Attacks
! scope="col" style="text-align:center; width:80px;"|Firepower Modifier
+
!Torpedo Attacks
! scope="col" style="text-align:center; width:80px;"|Anti-sub Modifier
+
!ASW
! scope="col" style="text-align:center; width:80px;"|Anti-air Modifier
+
!Night Battles
! scope="col" style="text-align:center; width:100px;"|Shelling Hit Rate
 
! scope="col" style="text-align:center; width:100px;"|Torpedo Hit Rate
 
! scope="col" style="text-align:center; width:100px;"|Flagship Protection Rate
 
 
|-
 
|-
| Line Ahead<br />{{Nihongo|単縦陣|''Tanjuu-jin''|}}
+
|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%||?||?
| <center>{{LineAhead}}</center>
 
| style="text-align:center;"|100%
 
| style="text-align:center;"|45%
 
| style="text-align:center;"|100%
 
| style="text-align:center;"|<span style="text-align:start;">Medium</span>
 
| style="text-align:center;"|High
 
| style="text-align:center;"|Low
 
 
|-
 
|-
| Double Line<br />{{Nihongo|複縦陣|''Fukujuu-jin''|}}
+
|Double Line vs Line Abreast||rowspan=3|100%||rowspan=3|N/A||rowspan=3|100%||rowspan=3|N/A
| <center>{{DoubleLine}}</center>
 
| style="text-align:center;"|80%
 
| style="text-align:center;"|60%
 
| style="text-align:center;"|120%
 
| style="text-align:center;"|High
 
| style="text-align:center;"|Medium
 
| style="text-align:center;"|Medium
 
 
|-
 
|-
| Diamond<br />{{Nihongo|輪形陣|''Rinkei-jin''|}}
+
|Echelon vs Line Ahead
| <center>{{Diamond}}</center>
 
| style="text-align:center;"|70%
 
| style="text-align:center;"|90%
 
| style="text-align:center;"|160%
 
| style="text-align:center;"|<span style="text-align:start;">Medium</span>
 
| style="text-align:center;"|Very Low
 
| style="text-align:center;"|High
 
 
|-
 
|-
| Echelon<br />{{Nihongo|梯形陣|''Teikei-jin''|}}
+
|Line Abreast vs Echelon
| <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;"|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;"|Medium
 
 
|}
 
|}
*You need at least 4 ships in your fleet to select a formation. Diamond 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.
 
*Line Ahead is the best offensive formation for surface combat.
 
  
*Diamond formation is the best formation for shooting down enemy planes; '''Lowest chance of having flagship being hit''' according to the devs.
+
;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 [[Game_Updates/2019/Feburary_27th|new]] Echelon are vague as they weren't introduced for KanColle Kai.
 +
<references/>
  
*Line Abreast is the best formation for anti-sub purpose(ASW).
+
===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.
 +
* In [[Combined Fleet]]s, the escort flagship does not receive flagship protection in day battles.
 +
* ''See [[Flagship Protection]] for more dedails.
  
===Engagement Form Modifer (Pre-Cap Modifier)===
+
===Vanguard Formation===
{| border="0" cellpadding="1" cellspacing="1" class="article-table" style="width: 400px;"
+
Vanguard is only available during [[Event]]s, 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.
! scope="col" style="text-align:center; width:200px;"|Form
+
** 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.
! scope="col" style="text-align:center; width:100px;"|Damage Modifier
+
** 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.
! scope="col" style="text-align:center; width:100px;"|Chance (Without Saiun)
+
* '''Damage and accuracy of [[Support Fleet]]s are affected by the top row multipliers, meaning the 50% damage modifier is applied.'''
|-
 
|Parallel Engagement<br />{{Nihongo|同航戦|''Doukousen''|}}
 
| style="text-align:center;"|100%
 
| style="text-align:center;"|45%
 
|-
 
|Head-on Engagement<br />{{Nihongo|反航戦|''Hankousen''|}}
 
| style="text-align:center;"|80%
 
| style="text-align:center;"|30%
 
|-
 
|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="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%
 
|}
 
*Night battle and air combat are not affected by engagement form.
 
*'''The engagement form attack modifier affects both your fleet and the enemy fleet.'''
 
**This also applied for the Crossing the T (both Advantage or Disadvantage) modifier. It may be a bug or a design flaw.
 
*Crossing the T (Disadvantage) can be avoided by equipping a {{Template:YellowPlane}}{{Nihongo|彩雲|''Saiun''|}} (Carrier-based recon plane).
 
**Using Saiun effectively makes what would have been Crossing the T (Disadvantage) become Head-on Engagement.
 
**There is still a very small chance of getting Crossing the T (Disadvantage) with Saiun equipped.
 
<span style="font-size:15px;font-weight:bold;">Engagement Forms</span>
 
  
'''Parallel Engagement'''
+
Vanguard gives an accuracy penalty to the opposite fleet. See ''[[Accuracy, Evasion and Criticals#Vanguard Formation|here]]'' for more details.
  
The course of the player's fleet and the enemy fleet are the same.
+
The '''bottom half''' ships have an increased chance to be targeted.
{| border="0" cellpadding="1" cellspacing="1" class="article-table" style="width: 300px;"
+
* The targeting is determined as follows:
|Fleet A
+
**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>
|→
+
* Target rate based on the above procedure (without other factor):
|→
 
|→
 
|→
 
|→
 
|-
 
|Fleet B
 
|→
 
|→
 
|→
 
|→
 
|→
 
|→
 
|}
 
'''Head-on Engagement'''
 
  
The course of the player's fleet and the enemy fleet are opposite each other.
+
{|class="wikitable" style="text-align:center"
{| border="0" cellpadding="1" cellspacing="1" class="article-table" style="width: 300px;"
+
! colspan=5| Target Rate
| style="text-align:center;"|Fleet A
 
| style="text-align:center;"|→
 
| style="text-align:center;"|→
 
| style="text-align:center;"|→
 
| style="text-align:center;"|→
 
| style="text-align:center;"|→
 
| style="text-align:center;"|
 
 
|-
 
|-
| style="text-align:center;"|Fleet B
+
! rowspan=2| Fleet position
| style="text-align:center;"|←
+
! colspan=4| Number of ships
| style="text-align:center;"|←
 
| style="text-align:center;"|←
 
| style="text-align:center;"|←
 
| style="text-align:center;"|←
 
| style="text-align:center;"|←
 
|}
 
'''Crossing the T'''
 
 
 
The course of the player's fleet and the enemy fleet are perpendicular to each other (that's 90 degrees, which results in a T figure).  A fleet is in disadvantage if it is coming from「|」direction, and is in advantage it is is coming from「―」direction.
 
 
 
(Historically, the point of this was for the「―」fleet to bring as many guns to bear on the enemy while limiting the firepower of the enemy that can only use guns mounted forward.)
 
 
 
{| border="0" cellpadding="1" cellspacing="1" class="article-table article-table-selected" style="width: 300px;"
 
| style="text-align:center;"|→
 
| style="text-align:center;"|→
 
| style="text-align:center;"|→
 
| style="text-align:center;"|→
 
| style="text-align:center;"|→
 
| style="text-align:center;"|→
 
| colspan="2" rowspan="7" style="text-align:center;"|<center>'''OR'''</center>
 
| style="text-align:center;"|←
 
| style="text-align:center;"|←
 
| style="text-align:center;"|←
 
| style="text-align:center;"|←
 
| style="text-align:center;"|←
 
| style="text-align:center;"|←
 
 
|-
 
|-
| colspan="7" rowspan="1" style="text-align:center;"|↑
+
! 4
| colspan="7" rowspan="1" style="text-align:center;"|↑
+
! 5
 +
! 6
 +
! 7
 
|-
 
|-
| colspan="7" rowspan="1" style="text-align:center;"|
+
! 1
| colspan="7" rowspan="1" style="text-align:center;"|
+
| style="background-color:#92D050;color:black"| 12,50%
 +
| style="background-color:#92D050;color:black"| 8,00%
 +
| style="background-color:#92D050;color:black"| 8,33%
 +
| style="background-color:#92D050;color:black"| 6,13%
 
|-
 
|-
| colspan="7" rowspan="1" style="text-align:center;"|
+
! 2
| colspan="7" rowspan="1" style="text-align:center;"|
+
| style="background-color:#92D050;color:black"| 12,50%
 +
| style="background-color:#92D050;color:black"| 8,00%
 +
| style="background-color:#92D050;color:black"| 8,33%
 +
| style="background-color:#92D050;color:black"| 6,13%
 
|-
 
|-
| colspan="7" rowspan="1" style="text-align:center;"|
+
! 3
| colspan="7" rowspan="1" style="text-align:center;"|
+
| style="background-color:#F8CBAD;color:black"| 37,50%
 +
| style="background-color:#F8CBAD;color:black"| 28,00%
 +
| style="background-color:#92D050;color:black"| 8,33%
 +
| style="background-color:#92D050;color:black"| 6,13%
 
|-
 
|-
| colspan="7" rowspan="1" style="text-align:center;"|
+
! 4
| colspan="7" rowspan="1" style="text-align:center;"|
+
| style="background-color:#F8CBAD;color:black"| 37,50%
 +
| style="background-color:#F8CBAD;color:black"| 28,00%
 +
| style="background-color:#F8CBAD;color:black"| 25,00%
 +
| style="background-color:#F8CBAD;color:black"| 20,40%
 
|-
 
|-
| colspan="7" rowspan="1" style="text-align:center;"|
+
! 5
| colspan="7" rowspan="1" style="text-align:center;"|↑
+
!
|}
+
| style="background-color:#F8CBAD;color:black"| 28,00%
 
+
| style="background-color:#F8CBAD;color:black"| 25,00%
 
+
| style="background-color:#F8CBAD;color:black"| 20,40%
=== Artillery Spotting===
 
*When the following conditions are all met, Artillery Observed Firing (<span style="color:rgb(0,0,0);">弾着観測射撃)</span> may occur.
 
**[[Combat#Fighter_Combat|Air superiority or air supremacy]]
 
**High total fleet LoS (索敵)
 
**Any ship class that can equip seaplanes as well as main artillery weapons (depicted as red guns).
 
**Ship is equipped with at least 1 [[List_of_Seaplanes_by_stats|seaplane]] {{Template:Seaplane}} (the slot must have at least 1 plane remaining)
 
**Not in heavily damaged (大破) state.
 
 
 
*Lost of Air superiority or having Air Parity will result in enemies able to do artillery spotting.
 
*The trigger rate is not 100% even if all requirements are met.
 
*Also refered as Artillery Firing Calibration (<span style="color:rgb(41,47,51);font-family:Arial,sans-serif;line-height:18px;white-space:pre-wrap;">弾着修正射撃)</span>
 
*<span style="color:rgb(41,47,51);font-family:Arial,sans-serif;line-height:18px;white-space:pre-wrap;">Seaplane bombers can now be used in Artillery Spotting. (25/4/2014)</span>
 
*Ka-type Observation Autogyro currently still not working for Artillery Spotting.
 
 
 
 
 
'''Attack types:'''
 
 
 
<u>Single Attack</u>
 
*A ship will only do a single attack if
 
**only 1 artillery weapon equipped. (Eg.{{Template:RedGunMedium}}{{Template:TorpedoWeapon}}{{Template:Radar}}{{Template:Seaplane}})
 
**no main artillery weapon equipped. (Eg. {{Template:YellowGun}}{{Template:YellowGun}}{{Template:GreenAmmo}}{{Template:Seaplane}})
 
*Damage: 100%
 
<u>Double Attack</u>
 
*A ship can do a double attack if
 
** 2 or more''' main artillery weapons''' equipped. (Eg. {{Template:RedGunHeavy}}{{Template:RedGunHeavy}})
 
*Damage: 120 % x 2 
 
*Trigger chance: '''~50%'''
 
<u>Cut-in Attack</u>
 
 
 
[[File:KanColle-140425-17422431.png|thumb|Cut-in Type Observed Fire using 1Main 1Sec & Type 91 AP shell]]
 
*A ship can do a cut-in attack if
 
*#equipped with '''main artillery and secondary artillery (without AP shell)'''. (Eg. {{Template:RedGunHeavy}}{{Template:YellowGun}})
 
*#*Damage: 110 %
 
*#equipped with '''main artillery, secondary artillery and a '''[[Type 91 Armor-Piercing (AP) Shell]].
 
*#*Damage: 130 %
 
 
 
*Trigger chance: '''~50%'''
 
*Cut-in attack still can miss but very low chance.
 
<u>Mixed Attack</u>
 
[[File:KanColle-140425-16133343.png|thumb|Cut-in Type Mixed Attack Observed Fire with 2 Main & Type 91 AP Shell.]]
 
*A ship will have a chance to do either double attack '''or''' cut-in attack if
 
*#equipped with 2 main artilleries + 1 secondary artillery (Eg. {{Template:RedGunHeavy}}{{Template:RedGunHeavy}}{{Template:YellowGun}})
 
*#*Cut-in Damage:  130 %
 
*#*Double attack Damage: 120 % x 2
 
*#equipped with 2 main artilleries + 1 [[Type 91 Armor-Piercing (AP) Shell]].
 
*#*Cut-in Damage:  150 %
 
*#*Double attack Damage: 120 % x 2
 
*Trigger chance: '''Equally distributed, ~30% each '''(Single attack, Double attack and Cut-in attack).
 
 
 
Notes:
 
*LUCK stat doesn't seem to affect trigger chance of any observed fire.
 
*[[Type 91 Armor-Piercing (AP) Shell]] {{Template:RedAmmo}}is considered an artillery weapon.
 
*Having only 1 Main gun + [[Type 91 Armor-Piercing (AP) Shell]] will however result in a single attack.
 
*Secondary artillery{{Template:YellowGun}} is required to trigger cut-in type observed fire. Having cut-in type observed fire by equiping secondary artillery will sometimes cause a display bug (?) where it displays non-artillery equipments instead of the secondary artillery.
 
*'''[[List of Radars by stats|Radars]] {{Template:Radar}} , [[Type 3 Shell]] {{Template:GreenAmmo}}, [[List of Torpedoes by stats|torpedoes]] {{Template:TorpedoWeapon}} and [[List of Anti-Air Guns by stats|machine guns]] {{Template:GreenGunMG}} are non-artillery equipments.'''
 
 
 
 
 
=====Full List=====
 
{| class="wikitable mw-collapsible mw-collapsed" id="mw-customcollapsible-nightcombat""
 
 
|-
 
|-
! colspan="4"|Equipment
+
! 6
!Day Battle
+
!
!Modifier
+
!
!Night battle
+
| style="background-color:#F8CBAD;color:black"| 25,00%
!Modifier
+
| style="background-color:#F8CBAD;color:black"| 20,40%
 
|-
 
|-
| style="text-align:center;"|{{RedGunMedium}}
+
! 7
| 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;"|{{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;"|{{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;"|{{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;"|{{RedGunMedium}}
 
| style="text-align:center;"|{{RedGunMedium}}
 
| style="text-align:center;"|{{Template:Seaplane}}
 
| style="text-align:center;"|
 
| style="text-align:center;"|Double Attack
 
| style="text-align:center;"|120% x 2
 
| style="text-align:center;"|Double Attack
 
| style="text-align:center;"|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;"|Cut-in
 
| style="text-align:center;"|110%
 
| style="text-align:center;"|Double Attack
 
| style="text-align:center;"|120% x 2
 
|-
 
| 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;"|Double Attack
 
| style="text-align:center;"|120% x 2
 
|-
 
| 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%
 
|-
 
| 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;"|Random
 
| style="text-align:center;"|150%
 
| style="text-align:center;"|Double Attack
 
| style="text-align:center;"|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;"|Cut-in
 
| style="text-align:center;"|130%
 
| style="text-align:center;"|Double Attack
 
| style="text-align:center;"|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;"|Double Attack
 
| style="text-align:center;"|120% x 2
 
|-
 
| 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;"|Double Attack
 
| style="text-align:center;"|120% x 2
 
| style="text-align:center;"|Cut-in
 
| style="text-align:center;"|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;"|Random
 
| style="text-align:center;"|130%
 
| style="text-align:center;"|Cut-in
 
| style="text-align:center;"|175%
 
|-
 
| 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;"|Cut-in
 
| style="text-align:center;"|110%
 
| style="text-align:center;"|Double Attack
 
| style="text-align:center;"|120% x 2
 
|-
 
| 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;"|Double Attack
 
| style="text-align:center;"|120% x 2
 
|-
 
| style="text-align:center;"|{{Template:RedAmmo}}
 
| 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%
 
|}
 
[[Category:Help]]
 
[[Category:Game System]]
 
[[Category:Calculation]]
 
 
 
===Night Combat===
 
[[File:3.png|thumb|An example of a cut-in]]
 
*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 have taken more than moderate (orange) damage before attacking in order to participate in night battle.
 
*Main Gun = {{Template:RedGunMedium}}Red guns or 10cm Twin High-angle Mount
 
*Secondary (Sub) Gun = {{Template:YellowGun}}Yellow guns / 12.7cm Twin High-angle Gun / 8cm Twin High-angle Gun / 10cm Twin High-angle Mount (Improved).
 
*Auxiliary equipment (e.g radar, sonar/depth charge, searchlight, turbine, special ammunition, pure AA equipment(green), and midget-sub) will not affect the combination.
 
<span style="font-size:15px;font-weight:bold;">Night Battle Attack Types</span>
 
 
 
{| border="0" cellpadding="1" cellspacing="1" class="article-table article-table-selected" style="width: 700px;"
 
|-
 
! scope="col" style="text-align:center;"|Type
 
! scope="col" style="text-align:center;"|Main
 
! scope="col" style="text-align:center;"|Secondary
 
! scope="col" style="text-align:center;"|Torpedo
 
! scope="col" style="text-align:center;"|Notes
 
|-
 
| rowspan="4"|Cut-In
 
| style="text-align:center;"|
 
| style="text-align:center;"|
 
| style="text-align:center;"|2+
 
|Torpedo Attack
 
|-
 
| style="text-align:center;"|3+
 
| style="text-align:center;"|
 
| style="text-align:center;"|
 
| rowspan="2"|Shelling
 
|-
 
| style="text-align:center;"|2
 
| style="text-align:center;"|1+
 
| style="text-align:center;"|
 
|-
 
| style="text-align:center;"|1-2
 
| style="text-align:center;"|
 
| style="text-align:center;"|1
 
|Combined Attack
 
|-
 
| rowspan="3"|Double Attack
 
| style="text-align:center;"|2
 
| style="text-align:center;"|0
 
| style="text-align:center;"|0
 
|
 
|-
 
| style="text-align:center;"|1
 
| style="text-align:center;"|1+
 
| style="text-align:center;"|0
 
|
 
|-
 
| style="text-align:center;"|0
 
| style="text-align:center;"|2+
 
| style="text-align:center;"|0-1
 
|Secondary Gun Double-Attack, Torpedo doesn't fire
 
|-
 
|Single Attack
 
| colspan="4"|Results from failing to meet equipment requirements, or other attacks random chance at failing.  Fires with gun or torpedo in highest equipment slot.
 
|-
 
|Anti-Submarine
 
| colspan="4" rowspan="1"|
 
Any enemy submarines will force Destroyers and Light 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 and Engagement Form Modifiers apply.
 
|}
 
=====<span style="font-size:12px;font-weight:bold;">Cut-in Equipment Setups</span>=====
 
 
 
NOTE: These are only a few examples.  See the above table.
 
 
 
NOTE: Midget subs don't count as torpedoes for this.
 
{| class="wikitable" style="width: 800px;"
 
| colspan="1" rowspan="2" style="text-align: center;"|{{RedGunMedium}}{{RedGunMedium}}{{RedGunMedium}}3 main guns
 
| rowspan="5"|
 
| colspan="1" rowspan="2" style="text-align: center;"|{{RedGunMedium}}{{RedGunMedium}} 2 main guns
 
| rowspan="5"|
 
| colspan="1" rowspan="2" style="text-align: center;"|{{RedGunMedium}} 1 main gun
 
| rowspan="5"|
 
|-
 
| style="text-align: center;"|{{TorpedoWeapon}}{{TorpedoWeapon}} Just 2 torpedos
 
|-
 
| colspan="1" style="text-align: center;"|
 
| colspan="1" style="text-align: center;"|'''+'''
 
| colspan="1" style="text-align: center;"|'''+'''
 
| colspan="1" style="text-align: center;"|
 
|-
 
| colspan="1" rowspan="2" style="text-align: center;"|No {{YellowGun}} or {{TorpedoWeapon}} equipped
 
| colspan="1" rowspan="2" style="text-align: center;"|{{YellowGun}} 1 sub gun
 
| colspan="1" rowspan="2" style="text-align: center;"|{{TorpedoWeapon}} 1 torpedo
 
| colspan="1" rowspan="2" style="text-align: center;"|One {{YellowGun}} also equippable
 
|}
 
 
 
=====Double Attack Equipment Setups=====
 
NOTE: These are only a few examples.  See the above table.
 
 
 
{| class="wikitable" style="width: 600px;"
 
| colspan="1" rowspan="1" style="text-align: center;"|{{RedGunMedium}} 1 main gun
 
| colspan="1" rowspan="5" style="text-align: center;"|
 
| colspan="1" rowspan="3" style="text-align: center;"|{{RedGunMedium}}{{RedGunMedium}} 2 main guns
 
| colspan="1" rowspan="5" style="text-align: center;"|
 
| colspan="1" rowspan="3" style="text-align: center;"|{{YellowGun}}{{YellowGun}} 2 or more sub guns
 
|-
 
| style="text-align: center;"|'''+'''
 
|-
 
| style="text-align: center;"|{{YellowGun}}1 or more sub guns
 
|-
 
| style="text-align: center;"|
 
| style="text-align: center;"|
 
|-
 
| style="text-align: center;"|No {{TorpedoWeapon}} equipped
 
| colspan="1" rowspan="2" style="text-align: center;"|No {{YellowGun}} or {{TorpedoWeapon}} equipped
 
| colspan="1" rowspan="2" style="text-align: center;"|One {{TorpedoWeapon}} also equippable
 
|}
 
=====Full List=====
 
{| class="wikitable mw-collapsible mw-collapsed" id="mw-customcollapsible-nightcombat""
 
|-
 
! colspan="4" style="text-align:center;"|Equipment
 
! style="text-align:center;"|Type
 
|-
 
|{{RedGunMedium}}
 
|
 
|
 
|
 
|Single Attack
 
|-
 
|{{TorpedoWeapon}}
 
|
 
|
 
|
 
|Single Attack
 
|-
 
|{{YellowGun}}
 
|
 
|
 
|
 
|Single Attack
 
|-
 
|{{RedGunMedium}}
 
|{{RedGunMedium}}
 
|
 
|
 
|Double Attack
 
|-
 
|{{RedGunMedium}}
 
|{{YellowGun}}
 
|
 
|
 
|Double Attack
 
|-
 
|{{RedGunMedium}}
 
|{{TorpedoWeapon}}
 
|
 
|
 
|Cut-in (Mixed)
 
|-
 
|{{YellowGun}}
 
|{{YellowGun}}
 
|
 
|
 
|Double Attack
 
|-
 
|{{YellowGun}}
 
|{{TorpedoWeapon}}
 
|
 
|
 
|Single Attack
 
|-
 
|{{TorpedoWeapon}}
 
|{{TorpedoWeapon}}
 
|
 
|
 
|Cut-in (Torpedo)
 
|-
 
|{{RedGunMedium}}
 
|{{RedGunMedium}}
 
|{{RedGunMedium}}
 
|
 
|Cut-in (Gun)
 
|-
 
|{{RedGunMedium}}
 
|{{RedGunMedium}}
 
|{{YellowGun}}
 
|
 
|Cut-in (Gun)
 
|-
 
|{{RedGunMedium}}
 
|{{YellowGun}}
 
|{{YellowGun}}
 
|
 
|Double Attack
 
|-
 
|{{RedGunMedium}}
 
|{{RedGunMedium}}
 
|{{TorpedoWeapon}}
 
|
 
|Cut-in (Mixed)
 
|-
 
|{{RedGunMedium}}
 
|{{TorpedoWeapon}}
 
|{{TorpedoWeapon}}
 
|
 
|Cut-in (Torpedo)
 
|-
 
|{{RedGunMedium}}
 
|{{YellowGun}}
 
|{{TorpedoWeapon}}
 
|
 
|Cut-in (Mixed)
 
|-
 
|{{YellowGun}}
 
|{{YellowGun}}
 
|{{YellowGun}}
 
|
 
|Double Attack
 
|-
 
|{{YellowGun}}
 
|{{YellowGun}}
 
|{{TorpedoWeapon}}
 
|
 
|Double Attack
 
|-
 
|{{YellowGun}}
 
|{{TorpedoWeapon}}
 
|{{TorpedoWeapon}}
 
|
 
|Cut-in (Torpedo)
 
|-
 
|{{TorpedoWeapon}}
 
|{{TorpedoWeapon}}
 
|{{TorpedoWeapon}}
 
|
 
|Cut-in (Torpedo)
 
|-
 
|{{RedGunMedium}}
 
|{{RedGunMedium}}
 
|{{RedGunMedium}}
 
|{{RedGunMedium}}
 
|Cut-in (Gun)
 
|-
 
|{{RedGunMedium}}
 
|{{RedGunMedium}}
 
|{{RedGunMedium}}
 
|{{YellowGun}}
 
|Cut-in (Gun)
 
|-
 
|{{RedGunMedium}}
 
|{{RedGunMedium}}
 
|{{YellowGun}}
 
|{{YellowGun}}
 
|Cut-in (Gun)
 
|-
 
|{{RedGunMedium}}
 
|{{YellowGun}}
 
|{{YellowGun}}
 
|{{YellowGun}}
 
|Double Attack
 
|-
 
|{{RedGunMedium}}
 
|{{RedGunMedium}}
 
|{{RedGunMedium}}
 
|{{TorpedoWeapon}}
 
|Cut-in (Gun)
 
|-
 
|{{RedGunMedium}}
 
|{{RedGunMedium}}
 
|{{TorpedoWeapon}}
 
|{{TorpedoWeapon}}
 
|Cut-in (Torpedo)
 
|-
 
|{{RedGunMedium}}
 
|{{TorpedoWeapon}}
 
|{{TorpedoWeapon}}
 
|{{TorpedoWeapon}}
 
|Cut-in (Torpedo)
 
|-
 
|{{RedGunMedium}}
 
|{{RedGunMedium}}
 
|{{YellowGun}}
 
|{{TorpedoWeapon}}
 
|Cut-in (Gun)
 
|-
 
|{{RedGunMedium}}
 
|{{YellowGun}}
 
|{{YellowGun}}
 
|{{TorpedoWeapon}}
 
|Cut-in (Mixed)
 
|-
 
|{{RedGunMedium}}
 
|{{YellowGun}}
 
|{{TorpedoWeapon}}
 
|{{TorpedoWeapon}}
 
|Cut-in (Torpedo)
 
|-
 
|{{YellowGun}}
 
|{{YellowGun}}
 
|{{YellowGun}}
 
|{{YellowGun}}
 
|Double Attack
 
|-
 
|{{YellowGun}}
 
|{{YellowGun}}
 
|{{YellowGun}}
 
|{{TorpedoWeapon}}
 
|Double Attack
 
|-
 
|{{YellowGun}}
 
|{{YellowGun}}
 
|{{TorpedoWeapon}}
 
|{{TorpedoWeapon}}
 
|Cut-in (Torpedo)
 
|-
 
|{{YellowGun}}
 
|{{TorpedoWeapon}}
 
|{{TorpedoWeapon}}
 
|{{TorpedoWeapon}}
 
|Cut-in (Torpedo)
 
|-
 
|{{TorpedoWeapon}}
 
|{{TorpedoWeapon}}
 
|{{TorpedoWeapon}}
 
|{{TorpedoWeapon}}
 
|Cut-in (Torpedo)
 
|}
 
 
 
====Night Battle Special Attack Modifier (Pre-Cap Modifier)====
 
=====<span style="font-size:12px;font-weight:bold;">Cut-in Attack</span>=====
 
{| border="0" cellpadding="1" cellspacing="1" class="article-table" style="height: 100px; width: 500px;"
 
|-
 
! scope="col" style="text-align:center;"|Weapon Type
 
! scope="col" style="text-align:center;"|Modifier
 
|-
 
|2 torpedoes
 
|2 consecutive attacks at 150%
 
|-
 
|1 main gun, 1 torpedo
 
|2 consecutive attacks at 130%
 
|-
 
|3 main guns
 
|200%
 
|-
 
|2 main guns, 1 secondary gun
 
|175%
 
|}
 
 
 
 
 
 
 
'''Cut-in chance:''' (0.85 * Luck + Placement Modifier + Health Modifier + Searchlight Modifier) [%]
 
 
 
{| border="0" cellpadding="1" cellspacing="1" class="article-table" style="width: 400px;"
 
|-
 
! scope="col" style="text-align:center;"|Modifier
 
 
!
 
!
! scope="col" style="text-align:center;"|Value
+
| style="background-color:#F8CBAD;color:black"| 20,40%
|-valign="top"
 
| rowspan="2" |Placement
 
|Flagship
 
| style="text-align:right;"| +30
 
|-
 
|Other
 
| style="text-align:right;"| +15
 
|-valign="top"
 
| rowspan="3" |Health
 
|Little or no damage
 
| style="text-align:right;"|0
 
|-
 
|Minor damage (小破 Syouha)
 
| style="text-align:right;"| +10
 
|-
 
|Moderate damage (中破 Chuuha)
 
| style="text-align:right;"| +20
 
|-valign="top"
 
| rowspan="2" |Searchlight
 
|Allied
 
| style="text-align:right;"| +5
 
|-
 
|Enemy
 
| style="text-align:right;"| -10
 
 
|}
 
|}
 +
<references/>
  
=====Double Attack=====
+
===Choosing a Formation===
Two consecutive attacks at 120%. Almost always procs, compared to cut-ins which proc only by chance and is affected by the luck stat.
+
[[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.
===Ship's Health Modifier (Pre-Cap Modifier)===
 
 
 
{| border="0" cellpadding="1" cellspacing="1" class="article-table" style="width: 400px;"
 
|-
 
! scope="col" style="text-align:center;"|Damage
 
! scope="col" style="text-align:center;"|Modifier
 
|-
 
| Minor damage (小破 Syouha) or less
 
| style="text-align:center;"|100%
 
|-
 
| Moderate damage (中破 Chuuha)
 
| style="text-align:center;"|70%
 
|-
 
| Heavy damage (大破 Taiha)
 
| style="text-align:center;"|40%
 
|}
 
This modifier does not affect Aerial Combat.
 
  
 +
* '''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.
  
===Attack Power Cap (Applies After All Pre-Cap Modifiers)===
 
Conditions for the attack power cap to activate: [Basic attack power x Pre-cap modifiers] exceeds '''150 for day''' battle, '''300 for night''' battle, and '''100 for anti-sub''' attacks.<br />This is the attack power cap, and it's represented below by <math>x</math>:
 
  
<math>\text {Attack Power After Caps} = x + \sqrt {\text {Pre Caps Attack Power} - x}</math>
+
Other mechanics available on this menu:
 +
* 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.
 +
* The smoke screen button if a {{Smoke}} [[Smoke Generator]] is equiped in the fleet.
  
What we can draw from this is that during the day, firepower or torpedo stats above 146 have a high probability breaking the cap immediately and thus becoming nerfed.  However, depending on the exact engagement form and fleet formation, this will not always occur.
+
=Victory Conditions=
 +
A damage gauge that is displayed at the post-combat screen for each fleet, using the following calculation:
  
===Critical Modifier===
+
<math>\text{Damage%} = \dfrac{\text{Fleet HP lost}}{\text{Fleet HP}}</math>
{| border="0" cellpadding="1" cellspacing="1" class="article-table" style="height: 100px; width: 200px;"
 
|-
 
! 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.
 
  
 +
The following conditions must be met to attain each rank:
  
===Remaining Ammo Modifier===
+
{|class="wikitable" style="width:75%; margin:auto; text-align:center"
{| border="0" cellpadding="1" cellspacing="1" class="article-table" style="height: 100px; width: 320px;"
+
!Victory State
 +
!Rank
 +
!Common name
 +
!Conditions
 
|-
 
|-
! scope="col" style="text-align:center;"|Remaining Ammunition
+
!rowspan=4|Victory
! scope="col" style="text-align:center;"|Modifier
+
|{{TextGlow|'''Total Victory: S<br>(完全勝利S)'''|black|text-colour=gold|glow-size=2px}}
 +
|{{TextGlow|'''Perfect S'''|black|text-colour=gold|glow-size=2px}}
 +
|style="text-align:left|
 +
* Sink all enemy ships, while taking no damage in return.
 +
* In [[Combat/Map Mechanics and Nodes#Short Battle Nodes|Short Battle Nodes]], take 0 damage.
 
|-
 
|-
| 5 to 10 {{Ammo}} bars
+
|{{TextGlow|'''Victory: S<br>(勝利S)'''|black|text-colour=gold|glow-size=2px}}
| style="text-align:center;"|100%
+
|{{TextGlow|'''S rank'''|black|text-colour=gold|glow-size=2px}}
 +
|style="text-align:left|
 +
* Sink all enemy ships.
 +
* In [[Combat/Map Mechanics and Nodes#Short Battle Nodes|Short Battle Nodes]], take less than 5% damage.
 
|-
 
|-
| 4 {{Ammo}} bars
+
|{{colour|red|'''Victory: A<br>(勝利A)'''}}
| style="text-align:center;"|80%
+
|{{colour|red|'''A rank'''}}
 +
|style="text-align:left|
 +
* Sink 2/3 of the enemy ships.
 +
* In [[Combat/Map Mechanics and Nodes#Short Battle Nodes|Short Battle Nodes]], take between 5% and 10% damage.
 
|-
 
|-
| 3 {{Ammo}} bars
+
|{{TextGlow|'''Tactical Victory: B<br>(戦術的勝利B)'''|black|text-colour=orange|glow-size=2px}}
| style="text-align:center;"|60%
+
|{{TextGlow|'''B rank'''|black|text-colour=orange|glow-size=2px}}
 +
|style="text-align:left|
 +
* 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 [[Combat/Map Mechanics and Nodes#Short Battle Nodes|Short Battle Nodes]], take between 10% and 20% damage.
 +
* ''If any of the ships sink, this is the maximum rank obtainable''.
 
|-
 
|-
| 2 {{Ammo}} bars
+
!rowspan=4|Defeat
| style="text-align:center;"|40%
+
|{{TextGlow|'''Tactical Defeat: C<br>(戦術的敗北C)'''|black|text-colour=Yellow|glow-size=2px}}
 +
|{{TextGlow|'''C Rank'''|black|text-colour=Yellow|glow-size=2px}}
 +
|style="text-align:left|
 +
* 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 [[Combat/Map Mechanics and Nodes#Short Battle Nodes|Short Battle Nodes]], take between 50% and 20% damage.
 
|-
 
|-
| 1 {{Ammo}} bar
+
|{{TextGlow|'''Defeat: D<br>(敗北D)'''|black|text-colour=lime|glow-size=2px}}
| style="text-align:center;"|20%
+
|{{TextGlow|'''D rank'''|black|text-colour=lime|glow-size=2px}}
 +
|style="text-align:left|
 +
* 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 [[Combat/Map Mechanics and Nodes#Short Battle Nodes|Short Battle Nodes]], take heavy damage.
 
|-
 
|-
| 0 {{Ammo}} bars
+
|{{TextGlow|'''Defeat: E'''<br>(敗北E)'''|lightgray|text-colour=blue|glow-size=1px}}
| style="text-align:center;"|Scratch Damage
+
|{{TextGlow|'''E rank'''|lightgray|text-colour=blue|glow-size=1px}}
 +
|style="text-align:left|
 +
* 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.
 
|}
 
|}
*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 the opening Aerial Combat Phase.
 
*When entering night battle, the Remaining Ammo Modifier on a vessel remains same as the previous day battle.  One 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.
 
**While early maps' whirpools decrease your resources directly, later maps will decrease either {{Fuel}} or {{Ammo}} bars of your sorted fleet, which can be disadvantageous in long sorties.
 
*There exist cases in which ships will consume no ammuntion in battle, but these are rare and their causes are not well documented.  Most battles will consume ammuntion even if none of your ships are able to attack at all.  Please report in the comments below with the exact fleet, equipment setups, map, node, and enemy pattern if you encounter battles where no ammunition is consumed.
 
 
==Victory Conditions==
 
;Perfect S
 
*All enemy ships sunk and no damage taken. <strike>Not obtainable in [http://kancolle.wikia.com/wiki/Exercises_(PvP) Exercises (PvP)]</strike>As of the 23 April 2014 update, Perfect S is now possible in PvP.
 
;S (Victory)
 
*All enemy ships sunk and no allied ships sunk.
 
;A (Victory)
 
*No friendly ships sunk and required number of enemy ships sunk (see below).
 
;B (Tactical Victory)
 
*Enemy flagship sunk and no allied ships sunk.
 
**Sinking the enemy flagship guarantees at least a B as long as no allied ships are sunk.
 
*Enemy flagship sunk, friendly ship sunk and number of friendly ships sunk < number of enemy ships sunk.
 
*Damage gauge at least 2.5 times higher enemy damage gauge.
 
;C (Tactical Defeat)
 
*Didn't clear any of the conditions for A or B, but enemy took over a certain amount of damage.
 
*Damage gauge higher than enemy gauge, but not reaching 2.5 times as much.
 
*Friendly ship sunk, damage gauge higher than enemy, but not 2.5 times as much.
 
*Friendly ship sunk, enemy flagship sunk and number of friendly ships sunk ≥ number of enemy ships sunk. It is possible to clear maps with boss gauges (eg. 4-4, 5-3, event maps) with a C if the enemy flagship is sunk.
 
;D (Defeat)
 
*Enemy took less than a certain amount of damage.
 
**Both sides taking 0 damage is also D.
 
*Damage gauge lower than enemy gauge.
 
*Friendly ship sunk, not all enemy ships sunk, and gauge lower than enemy gauge.
 
;E (Defeat)
 
*Over a certain number of friendly ships sunk. (see below)
 
*Friendly ship sunk while not meeting any victory conditions.
 
*No damage done to enemy, while taking over a certain amount (Never happens in a fleet of 1).
 
 
  
 +
'''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's 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. 
  
'''Notes'''
+
==MVP==
*The Minimum Sunk Requirement:
+
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]]''.
** 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 victories tend to have no drops, while Perfect S has the highest chance for 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.
  
''<small>Page designed by [[User:Ethrundr|Ethrundr]]. Please contact him before altering the implemented design</small>''
+
=See Also=
[[Category:Help]]
+
{{Mechanics}}
[[Category:Game System]]
 
[[Category:Calculation]]
 

Latest revision as of 20:17, 22 October 2023

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
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. Shelling Phase
  5. Second 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):
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

A damage gauge that is displayed at the post-combat screen for each fleet, using the following calculation:

[math]\displaystyle{ \text{Damage%} = \dfrac{\text{Fleet HP lost}}{\text{Fleet HP}} }[/math]

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's 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