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Difference between revisions of "Combat"

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=Preamble=
+
{{CombatPortal}}
 
+
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.
This page is meant to provide a brief overview of the combat flow '''for a single fleet''' in Kantai Collection. It has been truncated due to length. For more detailed explanations on the various combat mechanics, please see the individual pages below.
 
 
 
* [[Damage Calculations]]
 
** [[Artillery Spotting]]
 
** [[Night Battle]]
 
** [[Carrier Cut-In Attack]]
 
* [[Accuracy, Evasion and Criticals]]
 
** [[Gun Fit Bonuses]]
 
* [[Aerial Combat]]
 
** [[Plane Proficiency]]
 
** [[Anti-Air Fire]]
 
* [[Combined Fleet]]
 
* [[Land-Based Air Squadron]]
 
* [[Expeditions#Support_Expeditions|Support Expeditions]]
 
* [[Opening Anti-Submarine Warfare]]
 
  
 
=Combat Phases=
 
=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.
  
In normal surface engagements, combat will proceed in the following order.
+
The combat phases are made out of:
 
+
{|class="wikitable"
# [[#Formation Selection|Formation Selection]]
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!colspan=3|☀ [[Day Battle]]
# [[#Detection|Detection]]
+
!rowspan=2|{{NBPower}} [[Night Battle]]
# [[#Jet Assault|Jet Assault]]
+
|-
# [[#Land Based Bombing|Land Based Bombing]]
+
!rowspan=2|{{LOS}}<br>[[Detection]]
# [[#Aerial Combat|Aerial Combat]]
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!{{Aircraft}} [[Aerial Combat]]
# [[#Support Fleet|Support Fleet]]
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!{{Firepower}} Surface Combat
# [[#Opening Attacks|Opening Attacks]]
+
|-
# [[#Shelling|Shelling]]
+
|
# [[#Closing Attacks|Closing Attacks]]
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#LBAS's [[Jet Assault]]
# [[#Night Battle|Night Battle]]
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#Fleet's [[Jet Assault]]
 
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#[[LBAS|Land-Based Aerial Support]]
'''Exceptions'''
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#[[Air Power|Stage 1 - Battle for Air Superiority]]
 
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#[[Anti-Air|Stage 2 - Fleet Anti-Air Defense]]
The following are exceptions to the usual combat flow:
+
#[[Airstrike|Stage 3 - Airstrike]]
 
+
|
* [[Combined Fleet#Combat Flow|Combined Fleet]] engagements which have their own flow. Please see the page for more details.
+
#[[Engagement]]
* '''Air Battle''' nodes that can be found in 1-6 and some event maps that just consists of two airstrikes.
+
#[[Support Expedition]]
* '''Air Raid''' nodes that can be found in 6-5 and some event maps that just consist of a single airstrike.
+
#[[Battle Opening]]s
* '''Night Battle''' nodes that can be found in 5-3 and some event maps are just have the night battle stage.
+
#[[Shelling|1st Shelling Phase]]
* '''Night/Day''' nodes that can be found on some event maps begin with a night battle then proceed to day.
+
#[[Day Battle#Second Shelling Phase|2nd Shelling Phase]]
* '''RADAR Ambush''' nodes that can be found on some event maps where your fleet takes a support shelling attack. There is no formation selection.
+
#[[Closing Torpedo Salvo]]
 +
|
 +
#[[Friendly Fleet]] (event only)
 +
#[[Support Expedition]]*
 +
#[[Night Battle#Night Contact and Spotting|Night Contact and Spotting]]
 +
#[[Night Battle#Night Shelling Phase|Night Shelling Phase]]
 +
|}
  
 
==Formation Selection==
 
==Formation Selection==
When you have 4 or more ships in the fleet, you will be required to select a formation before entering combat.
+
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'''.
* Fleets with 3 or less ships 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.
* Combined fleets use a different set of formations unless it is a night battle only node. Please see the [[Combined Fleet#Fleet Formations|Combined Fleet]] page for details.
+
* 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
 +
|-
 +
!Damage!!Accuracy!!Evasion
 +
!Damage!!Accuracy!!Evasion
 +
!Damage!!Accuracy!!Evasion
 +
!Damage!!Accuracy<ref>Measured and corroborated with Vita values.</ref>!!Evasion
 +
|-
 +
|width=140px|Line Ahead<br>{{Nihongo|単縦陣|''Tanjuu-jin''}}
 +
|{{LineAhead}}
 +
|style="color:red"|'''100%'''
 +
|100%
 +
|100%
 +
|style="color:red"|'''100%'''
 +
|style="color:red"|'''100%'''
 +
|100%
 +
|60%
 +
|100%
 +
|100%
 +
|100%
 +
|style="color:red"|'''100%'''
 +
|100%
 +
|100%
 +
|45%
 +
|
 +
|-
 +
|Double Line<br>{{Nihongo|複縦陣|''Fukujuu-jin''}}
 +
|{{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%
 +
|
 +
|-
 +
|Diamond<br>{{Nihongo|輪形陣|''Rinkei-jin''}}
 +
|{{Diamond}}
 +
|70%
 +
|100%
 +
|110%
 +
|70%
 +
|40%
 +
|110%
 +
|120%
 +
|100%
 +
|100%
 +
|100%
 +
|70%
 +
|100%
 +
|style="color:red"|'''160%'''
 +
|style="color:red"|'''75%'''
 +
|
 
|-
 
|-
!style="text-align: center; border-radius: 6px 0 0 0; border-style: solid; border-width: 1px; background-color:#99CCFF; width:310px;" rowspan="2"|Formation
+
|rowspan=2|Echelon<br>{{Nihongo|梯形陣|''Teikei-jin''}}
!style="text-align: center; border-style: solid; border-width: 1px; background-color:#99CCFF;width:69px;" rowspan="2"|Formation Icon
+
|rowspan=2|{{Echelon}}
!style="text-align: center; border-style: solid; border-width: 1px; background-color:#99CCFF;width:96px;" colspan="3"|Shelling
+
|75%
!style="text-align: center; border-style: solid; border-width: 1px; background-color:#99CCFF;width:96px;" colspan="3"|Torpedo
+
|rowspan=2 style="color:red"|'''120%'''
!style="text-align: center; border-style: solid; border-width: 1px; background-color:#99CCFF;width:96px;" colspan="3"|Anti-Submarine
+
|style="color:red"|'''140%'''<ref>https://twitter.com/Xe_UCH/status/1304783506275409920</ref>
!style="text-align: center; border-style: solid; border-width: 1px; background-color:#99CCFF;width:96px;" colspan="3"|Night Battle
+
|rowspan=2 |60%
!style="text-align: center; border-style: solid; border-width: 1px; background-color:#99CCFF;width:96px;" rowspan="2"|Anti-Air
+
|75%<ref>https://twitter.com/Divinity__123/status/1177455647593353217</ref><ref>https://docs.google.com/spreadsheets/d/1L854d9MjPHc4yNELEp1oRz029-LHz2aMRF089_MO2vo/edit#gid=1875509487</ref>
!style="text-align: center; border-radius: 0 6px 0 0; border-style: solid; border-width: 1px; background-color:#99CCFF; width:64px;" rowspan="2"|Flagship Protection
+
|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
 
|-
 
|-
!style="text-align: center; border-style: solid; border-width: 1px; background-color:#99CCFF; width:32px;" |Damage
+
|60%
!style="text-align: center; border-style: solid; border-width: 1px; background-color:#99CCFF; width:32px;" |Accuracy
+
|120%
!style="text-align: center; border-style: solid; border-width: 1px; background-color:#99CCFF; width:32px;" |Evasion
+
|60%
!style="text-align: center; border-style: solid; border-width: 1px; background-color:#99CCFF; width:32px;" |Damage
+
|100%
!style="text-align: center; border-style: solid; border-width: 1px; background-color:#99CCFF; width:32px;" |Accuracy
+
|80%
!style="text-align: center; border-style: solid; border-width: 1px; background-color:#99CCFF; width:32px;" |Evasion
+
|110%
!style="text-align: center; border-style: solid; border-width: 1px; background-color:#99CCFF; width:32px;" |Damage
+
|Single vs Combined fleet battles (either way)<ref>https://github.com/Tibowl/KCBugTracker/issues/24#issuecomment-872108225</ref>  
!style="text-align: center; border-style: solid; border-width: 1px; background-color:#99CCFF; width:32px;" |Accuracy
 
!style="text-align: center; border-style: solid; border-width: 1px; background-color:#99CCFF; width:32px;" |Evasion
 
!style="text-align: center; border-style: solid; border-width: 1px; background-color:#99CCFF; width:32px;" |Damage
 
!style="text-align: center; border-style: solid; border-width: 1px; background-color:#99CCFF; width:32px;" |Accuracy<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>
 
!style="text-align: center; border-style: solid; border-width: 1px; background-color:#99CCFF; width:32px;" |Evasion
 
 
|-
 
|-
| Line Ahead<br />{{Nihongo|単縦陣|''Tanjuu-jin''|}}
+
|Line Abreast<br>{{Nihongo|単横陣|''Tan'ou-jin''}}
| <center>{{LineAhead}}</center>
+
|{{LineAbreast}}
|style="text-align: center; border-style: solid; border-width: 1px; color:#ff0000;" |'''100%'''
+
|60%
|style="text-align: center; border-style: solid; border-width: 1px;" |100%
+
|style="color:red"|'''120%'''
|style="text-align: center; border-style: solid; border-width: 1px;" |100%
+
|130%
|style="text-align: center; border-style: solid; border-width: 1px; color:#ff0000;" |'''100%'''
+
|60%
|style="text-align: center; border-style: solid; border-width: 1px; color:#ff0000;" |'''100%'''
+
|30%
|style="text-align: center; border-style: solid; border-width: 1px;" |100%
+
|style="color:red"|'''140%'''
|style="text-align: center; border-style: solid; border-width: 1px;" |60%
+
|style="color:red"|'''130%'''
|style="text-align: center; border-style: solid; border-width: 1px;" |100%
+
|style="color:red"|'''120%'''
|style="text-align: center; border-style: solid; border-width: 1px;" |100%
+
|110%
|style="text-align: center; border-style: solid; border-width: 1px;" |100%
+
|100%
|style="text-align: center; border-style: solid; border-width: 1px; color:#ff0000;" |'''100%'''
+
|80%
|style="text-align: center; border-style: solid; border-width: 1px;" |100%
+
|120%
|style="text-align: center; border-style: solid; border-width: 1px;" |100%
+
|100%
|style="text-align: center; border-style: solid; border-width: 1px;" |45%
+
|60%
 +
|
 
|-
 
|-
| Double Line<br />{{Nihongo|複縦陣|''Fukujuu-jin''|}}
+
|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''}}
| <center>{{DoubleLine}}</center>
+
|rowspan=2|{{Vanguard}}
|style="text-align: center; border-style: solid; border-width: 1px;" |80%
+
|50%
|style="text-align: center; border-style: solid; border-width: 1px; color:#ff0000;" |'''120%'''<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.''
+
|80%<ref>https://twitter.com/Divinity_123/status/1452289616866947081</ref>
</ref>
+
|rowspan=2|''See<br>[[#Vanguard Formation|below]]''
|style="text-align: center; border-style: solid; border-width: 1px;" |100%
+
|style="color:red"|'''100%'''
|style="text-align: center; border-style: solid; border-width: 1px;" |80%
+
|70%<ref>https://twitter.com/Divinity_123/status/1457819658090844163</ref>
|style="text-align: center; border-style: solid; border-width: 1px; color:#ff0000;" |'''120%'''
+
|rowspan=2|''See<br>[[#Vanguard Formation|below]]''
|style="text-align: center; border-style: solid; border-width: 1px;" |100%
+
|100%
|style="text-align: center; border-style: solid; border-width: 1px;" |80%
+
|??
|style="text-align: center; border-style: solid; border-width: 1px; color:#ff0000;" |'''120%'''
+
|rowspan=2|''See<br>[[#Vanguard Formation|below]]''
|style="text-align: center; border-style: solid; border-width: 1px;" |100%
+
|50%
|style="text-align: center; border-style: solid; border-width: 1px;" |100%
+
|??
|style="text-align: center; border-style: solid; border-width: 1px;" |90%
+
|rowspan=2|''See<br>[[#Vanguard Formation|below]]''
|style="text-align: center; border-style: solid; border-width: 1px;" |100%
+
|110%
|style="text-align: center; border-style: solid; border-width: 1px;" |120%
+
|Medium
|style="text-align: center; border-style: solid; border-width: 1px;" |60%
+
|Upper half of the fleet
 
|-
 
|-
| Diamond<br />{{Nihongo|輪形陣|''Rinkei-jin''|}}
+
|100%
| <center>{{Diamond}}</center>
+
|style="color:red"|'''120%'''
|style="text-align: center; border-style: solid; border-width: 1px;" |70%
+
|style="color:red"|'''100%'''
|style="text-align: center; border-style: solid; border-width: 1px;" |100%
+
|90%
|style="text-align: center; border-style: solid; border-width: 1px;" |110%
+
|60%
|style="text-align: center; border-style: solid; border-width: 1px;" |70%
+
|??
|style="text-align: center; border-style: solid; border-width: 1px;" |40%
+
|100%
|style="text-align: center; border-style: solid; border-width: 1px;" |110%
+
|??
|style="text-align: center; border-style: solid; border-width: 1px;" |120%
+
|110%
|style="text-align: center; border-style: solid; border-width: 1px;" |100%
+
|High
|style="text-align: center; border-style: solid; border-width: 1px;" |100%
+
|Bottom half of the fleet
|style="text-align: center; border-style: solid; border-width: 1px;" |100%
+
|}
|style="text-align: center; border-style: solid; border-width: 1px;" |70%
 
|style="text-align: center; border-style: solid; border-width: 1px;" |110%
 
|style="text-align: center; border-style: solid; border-width: 1px; color:#ff0000;" |'''160%'''
 
  
|style="text-align: center; border-style: solid; border-width: 1px; color:#ff0000;" |'''75%'''
+
{|class="wikitable"
 +
!colspan=5|Accuracy Exceptions
 
|-
 
|-
| Echelon<br />{{Nihongo|梯形陣|''Teikei-jin''|}}
+
!Formation
| <center>{{Echelon}}</center>
+
!Day Shelling &<br>Carrier Attacks
|style="text-align: center; border-style: solid; border-width: 1px;" |75%
+
!Torpedo Attacks
|style="text-align: center; border-style: solid; border-width: 1px; color:#ff0000;" |'''120%'''
+
!ASW
|style="text-align: center; border-style: solid; border-width: 1px;" |120%
+
!Night Battles
|style="text-align: center; border-style: solid; border-width: 1px;" |60%
 
|style="text-align: center; border-style: solid; border-width: 1px;" |60%
 
|style="text-align: center; border-style: solid; border-width: 1px;" |130%
 
|style="text-align: center; border-style: solid; border-width: 1px;" |110%
 
|style="text-align: center; border-style: solid; border-width: 1px; color:#ff0000;" |'''120%'''
 
|style="text-align: center; border-style: solid; border-width: 1px; color:#ff0000;" |'''130%'''
 
|style="text-align: center; border-style: solid; border-width: 1px;" |100%
 
|style="text-align: center; border-style: solid; border-width: 1px;" |80%
 
|style="text-align: center; border-style: solid; border-width: 1px;" |110%
 
|style="text-align: center; border-style: solid; border-width: 1px;" |100%
 
|style="text-align: center; border-style: solid; border-width: 1px;" |60%
 
 
|-
 
|-
| Line Abreast<br />{{Nihongo|単横陣|''Tan'ou-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>{{LineAbreast}}</center>
 
|style="text-align: center; border-style: solid; border-width: 1px;" |60%
 
|style="text-align: center; border-style: solid; border-width: 1px; color:#ff0000;" |'''120%'''
 
|style="text-align: center; border-style: solid; border-width: 1px; color:#ff0000;" |'''130%'''
 
|style="text-align: center; border-style: solid; border-width: 1px;" |60%
 
|style="text-align: center; border-style: solid; border-width: 1px;" |30%
 
|style="text-align: center; border-style: solid; border-width: 1px; color:#ff0000;" |'''140%'''
 
|style="text-align: center; border-style: solid; border-width: 1px; color:#ff0000;" |'''130%'''
 
|style="text-align: center; border-style: solid; border-width: 1px; color:#ff0000;" |'''120%'''
 
|style="text-align: center; border-style: solid; border-width: 1px;" |110%
 
|style="text-align: center; border-style: solid; border-width: 1px;" |100%
 
|style="text-align: center; border-style: solid; border-width: 1px;" |80%
 
|style="text-align: center; border-style: solid; border-width: 1px; color:#ff0000;" |'''120%'''
 
|style="text-align: center; border-style: solid; border-width: 1px;" |100%
 
|style="text-align: center; border-style: solid; border-width: 1px;" |60%
 
 
|-
 
|-
| rowspan="2"|Vanguard<ref>The direct translation of "Keikai" is "alert".</ref><br />{{Nihongo|警戒陣|''Keikai-jin''|}}
+
|Double Line vs Line Abreast||rowspan=3|100%||rowspan=3|N/A||rowspan=3|100%||rowspan=3|N/A
| rowspan="2"|<center>{{Vanguard}}</center>
 
|style="text-align: center; border-style: solid; border-width: 1px;" |50%
 
|style="text-align: center; border-style: solid; border-width: 1px;" |80%
 
|style="text-align: center; border-style: solid; border-width: 1px;" |??
 
|style="text-align: center; border-style: solid; border-width: 1px; color:#ff0000;" |'''100%'''
 
|style="text-align: center; border-style: solid; border-width: 1px; color:#ff0000;" |'''100%'''
 
|style="text-align: center; border-style: solid; border-width: 1px;" |??
 
|style="text-align: center; border-style: solid; border-width: 1px;" |100%
 
|style="text-align: center; border-style: solid; border-width: 1px;" |??
 
|style="text-align: center; border-style: solid; border-width: 1px;" |??
 
|style="text-align: center; border-style: solid; border-width: 1px;" |50%
 
|style="text-align: center; border-style: solid; border-width: 1px;" |??
 
|style="text-align: center; border-style: solid; border-width: 1px;" |??
 
|style="text-align: center; border-style: solid; border-width: 1px;" |110%
 
|style="text-align: center; border-style: solid; border-width: 1px;" |Medium
 
 
|-
 
|-
|style="text-align: center; border-style: solid; border-width: 1px;" |100%
+
|Echelon vs Line Ahead
|style="text-align: center; border-style: solid; border-width: 1px; color:#ff0000;" |'''120%'''
 
|style="text-align: center; border-style: solid; border-width: 1px;" |??
 
|style="text-align: center; border-style: solid; border-width: 1px; color:#ff0000;" |'''100%'''
 
|style="text-align: center; border-style: solid; border-width: 1px; color:#ff0000;" |'''100%'''
 
|style="text-align: center; border-style: solid; border-width: 1px;" |??
 
|style="text-align: center; border-style: solid; border-width: 1px;" |60%
 
|style="text-align: center; border-style: solid; border-width: 1px;" |??
 
|style="text-align: center; border-style: solid; border-width: 1px;" |??
 
|style="text-align: center; border-style: solid; border-width: 1px;" |100%
 
|style="text-align: center; border-style: solid; border-width: 1px;" |??
 
|style="text-align: center; border-style: solid; border-width: 1px;" |??
 
|style="text-align: center; border-style: solid; border-width: 1px;" |110%
 
|style="text-align: center; border-style: solid; border-width: 1px;" |High
 
 
|-
 
|-
|}<references/>
+
|Line Abreast vs Echelon
 
+
|}
{{clear}}
 
  
'''Important Notes:''''
+
;Notes:
* The values are datamined from KanColle Kai for the Vita. Testing on the browser version has corroborated these values.
+
* Exact values were datamined from KanColle Kai for the Vita. Testing on the browser version has corroborated these results.
** Values for vanguard are vague because it was never introduced into KanColle Kai.
+
** Values for Vanguard and the [[Game_Updates/2019/Feburary_27th|new]] Echelon are vague as they weren't introduced for KanColle Kai.
*The surface firepower modifier applies to only shelling and torpedo attacks.
+
<references/>
*Diamond formation is only available when you have 5 or more ships in the fleet.
 
*'''Flagship protection''' is the situation where a non-flagship ship protects the flagship from being damaged by receiving the attack instead.
 
  
'''Vanguard Special Mechanics'''
+
===Flagship Protection===
* Vanguard is only available during event periods.
+
'''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.
** When it is available, it is usable in all maps.
+
* In [[Combined Fleet]]s, the escort flagship does not receive flagship protection in day battles.
* Vanguard has two values because ships have different bonuses depending on their position in the fleet.
+
* ''See [[Flagship Protection]] for more dedails.
** For a fleet with 6 or 7 ships, the top row applies to ships 1-3 and the bottom row applies to ships 4-6/7.
 
** For a fleet with 4 or 5 ships, the top row applies to ships 1-2 and the bottom row applies to ships 2-4/5.
 
* '''Attacks from support fleets are affected by the top row multipliers.'''
 
* Ships at the bottom of a fleet have an increased chance of being targeted by the enemy. See above for how position is determined.
 
** Ships at the top (slots 1-2 or 1-3) have a ~25% chance of being targeted.
 
** Ships at the bottom (slots 3-5 or 4-7) have a ~75% chance of being targeted.
 
** See [https://twitter.com/Xe_UCH/status/972247479956615168] for tested values. Valid as of 09/03/2018.
 
* Vanguard has a further evasion modifier that is '''post-cap''' depending on the ship's position in the fleet. This is very important because it allows you to hit very high evasion values. See above for how position is determined.
 
** For ships at the top (slots 1-2 or 1-3): '''Non-destroyers''' get a '''5%''' bonus. '''Destroyers''' get a '''20%''' bonus.
 
** For the rest of the ships at the bottom (slots 3-5 or 4-7): '''Non-destroyers''' get a '''20%''' bonus. '''Destroyers''' get a '''40%''' bonus.
 
** See https://twitter.com/Xe_UCH/status/972244541783793664] for tested values. Valid as of 09/03/2018.
 
  
===Choosing a Formation===
+
===Vanguard Formation===
[[File:Formation_Selection_Screen.png|thumb|right|Formation Selection Screen]]
+
Vanguard is only available during [[Event]]s, and is usable on '''any map''' during this time.
* '''Line Ahead'''
+
* The modifiers on Vanguard Formation refer respectively to the '''"upper half"''' and '''"bottom half"''' of the fleet.
: This formation has the highest damage output for surface combat but poor anti-submarine. It will be the default formation you use for any surface combat node.
+
** 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.
* '''Double Line'''
+
** 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.
: This formation has high shelling and anti-submarine accuracy in exchange for lowered damage output. Because of how easy it is to increase accuracy in this game, it's accuracy benefits are negligible. It's main use is for engaging mixed surface and submarine fleets. The other use is for triggering [[Nelson]]'s special attack.
+
* '''Damage and accuracy of [[Support Fleet]]s are affected by the top row multipliers, meaning the 50% damage modifier is applied.'''
* '''Diamond'''
 
: This formation boasts the highest anti-air modifier. It's primary use is for air raid and air battle nodes in order to mitigate airstrike damage.
 
* '''Echelon'''
 
: This formation is similar to Double Line in effectiveness. You would not be picking this over double line. It's main purpose is to trigger the special attacks for [[Nagato]], [[Mutsu]] and [[Colorado]].
 
** Echelon was improved in the [[Game Updates/2019/Feburary 27th|February 27th 2019]] update.
 
* '''Line Abreast'''
 
: This formation has the best anti-submarine multiplier but has the worst surface damage modifiers. It is only to be used for submarine-only nodes.
 
* '''Vanguard'''
 
: This formation is used to help fleets pass through difficult nodes where it is unlikely you are able to sink the enemy before they deal heavy damage to your fleet. The post-cap evasion bonus allows destroyers to hit very high evasion rates. Combined with the preferential targeting, it means destroyers in the bottom slots can function as evasion tanks.
 
: Care must be taken as this formation has very poor damage multipliers for the top slots. While placing your powerful ships in here means they can be protected by your destroyers, it also means that their combat effectiveness is reduced. This can result in the enemy being given more attacks on your fleet.
 
: Since the damage multipliers in the top slot affect your support fleet, this can '''severely reduce''' the effectiveness of support.
 
  
==Detection==
+
Vanguard gives an accuracy penalty to the opposite fleet. See ''[[Accuracy, Evasion and Criticals#Vanguard Formation|here]]'' for more details.
[[File:Successfull_Detection.png|thumb|right|Successfull Detection]]
 
The detection phase involves your fleet attempting to find the enemy fleet. Success is determined by the {{LOS}} of your fleet. If you fail detection your fleet will be '''unable to participate in the aerial combat phase'''. This will result in automatic Air Incapability.
 
  
* It is possible to succeed without any reconnaissance planes but there will be no recon plane animation.
+
The '''bottom half''' ships have an increased chance to be targeted.
* It is possible to lose recon planes on failing detection.
+
* The targeting is determined as follows:
* Although the display indicates that {{Hit}} and {{Evasion}} has changed on success or failure. Testing has shown that it has no noticeable effect.
+
**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):
 +
* 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>.
 +
**E.g. With 4 ship main fleet and a 6 ship escort, the "4 ships" column is to be counted.
  
==Jet Assault==
+
{|class="wikitable"  style="text-align:center"
If there are jets in your fleet, you will have a preemptive attack with them. Jets are subject to interception from other jets and anti-air fire from the enemy fleet. For more details please see [[Aerial Combat]] and [[Anti-Air Fire]].
+
! colspan=5| Target Rate
 
+
|-
* Jets follow the dive bomber rules when calculating damage.
+
! rowspan=2| Fleet position
* Jets will attempt to intercept enemy jets.
+
! colspan=4| Number of ships
* Jets will also participate in the regular aerial combat phase. This means they have to pass through interception and anti-air fire '''twice''' per battle.
+
|-
* Currently there are only two jets in game:
+
! 4
** [[Kikka Kai]]
+
! 5
** [[Jet Keiun Kai]]
+
! 6
 
+
! 7
==Land Based Bombing==
+
|-
[[File:LBAS_Attack.png|thumb|right|Type 96 LBAA attacking Enemy Fleet]]
+
! 1
In 6-4, 6-5 and some event maps, you will have access to Land-Based Air Squadrons. When active, it will send a number of waves to bomb the enemy fleet. For more details, please see [[Land-Based Air Squadron]].
+
| style="background-color:#92D050;color:black"| 12,50%
 
+
| style="background-color:#92D050;color:black"| 8,00%
* The land based planes are subject to interception and anti-air fire.
+
| style="background-color:#92D050;color:black"| 8,33%
* They can be depleted by raids on your air base.
+
| style="background-color:#92D050;color:black"| 6,13%
 
+
|-
'''Jet Land Based Bombing'''
+
! 2
If you have jets in your land base, they will perform a [[Combat#Jet Assault|jet assault]] before the land based bombing. All the same rules for jet assault apply.
+
| style="background-color:#92D050;color:black"| 12,50%
 
+
| style="background-color:#92D050;color:black"| 8,00%
==Aerial Combat==
+
| style="background-color:#92D050;color:black"| 8,33%
In this phase, both fleets will send out fighters and bombers (if they have any) to contest air control and bomb the opposing fleet. For more details, please see [[Aerial Combat]], [[Damage Calculations#Airstrike|Airstrike]] and [[Anti-Air Fire]].
+
| style="background-color:#92D050;color:black"| 6,13%
 
 
Aerial combat will proceed in the following order:
 
 
 
* Air combat
 
* Contact
 
* Fleet Anti-Air Defense
 
* Airstrike
 
 
 
==Support Fleet==
 
[[File:Support_Expedition.png|thumb|right|Support Expedition appearing]]
 
In World 5 and events, you will be able to send fleets on support expeditions. If a fleet is on a support expedition, there is a chance they will arrive to assist you with an attack. The damage done and effectiveness depends on the type of support expedition used. Please see [[Expeditions#Support_Expeditions|Support Expeditions]] for more details.
 
 
 
* It is possible to lose planes from Airstrike Support if the enemy has opposing air power.
 
 
 
==Opening Attacks==
 
There are two different opening attacks that can be triggered if certain conditions are met; Opening Anti-Submarine Attacks and Opening Torpedo Attacks. For more details on how damage is calculated, please see [[Damage Calculations]].
 
 
 
* Opening attacks are affected by engagement modifiers even though it only appears after this phase.
 
 
 
===Opening Anti-Submarine (OASW)===
 
If the fleet possesses ships capable of performing OASW, they will begin attacking submarines '''in order of range'''. The firing order will be random among ships with the same range. This phase can disable opening torpedo attacks from enemy submarines if you manage to sink them. For more details, please see [[Opening Anti-Submarine Warfare]].
 
 
 
===Opening Torpedo===
 
If the fleet possesses ships capable of opening torpedo attacks, they will launch torpedoes '''simultaneously'''.
 
 
 
* Opening torpedoes can be fired by [[:Category:Submarines|submarines]] over level 10, any ship equipped with [[:Category:Midget Submarine|midget submarines]] and the elite [[Battleship Re-Class]].
 
* Targets will be picked at random but will prioritise surface ships.
 
* Opening torpedoes can be launched even at moderate or heavy damage; which would disable closing torpedoes.
 
 
 
==Shelling==
 
This phase is where the majority of combat takes place. Surviving ships in both fleets will take turns exchanging fire. The order detailed here only applies to '''single fleet''' engagements. For shelling order in combined fleet engagements, please see [[Combined Fleet]].
 
 
 
===Engagement Form===
 
[[File:Engagement_Example.png|thumb|right|Red T Engagement is declared]]
 
Before the shelling phase begins, the game will roll for one of the following 4 engagements.
 
 
 
{| class="wikitable"
 
 
|-
 
|-
!style="text-align: center; border-radius: 6px 0 0 0; border-style: solid; border-width: 1px; background-color:#99CCFF; width:200px;" |Form
+
! 3
!style="text-align: center; border-style: solid; border-width: 1px; background-color:#99CCFF; width:100px;" |Damage Modifier
+
| style="background-color:#F8CBAD;color:black"| 37,50%
!style="text-align: center; border-style: solid; border-width: 1px; background-color:#99CCFF; width:100px;" |Chance
+
| style="background-color:#F8CBAD;color:black"| 28,00%
!style="text-align: center; border-radius: 0 6px 0 0; border-style: solid; border-width: 1px; background-color:#99CCFF; width:100px;" |Chance with [[Saiun]]
+
| style="background-color:#92D050;color:black"| 8,33%
 +
| style="background-color:#92D050;color:black"| 6,13%
 
|-
 
|-
|style="border-style: solid; border-width: 1px;"| Parallel Engagement<br />{{Nihongo|同航戦|''Doukousen''|}}
+
! 4
|style="text-align: center; border-style: solid; border-width: 1px;"| 100%
+
| style="background-color:#F8CBAD;color:black"| 37,50%
|style="text-align: center; border-style: solid; border-width: 1px;"| 45%
+
| style="background-color:#F8CBAD;color:black"| 28,00%
|style="text-align: center; border-style: solid; border-width: 1px;"| 45%
+
| style="background-color:#F8CBAD;color:black"| 25,00%
 +
| style="background-color:#F8CBAD;color:black"| 20,40%
 
|-
 
|-
|style="border-style: solid; border-width: 1px;"| Head-on Engagement<br />{{Nihongo|反航戦|''Hankousen''|}}
+
! 5
|style="text-align: center; border-style: solid; border-width: 1px;"| 80%
+
!
|style="text-align: center; border-style: solid; border-width: 1px;"| 30%
+
| style="background-color:#F8CBAD;color:black"| 28,00%
|style="text-align: center; border-style: solid; border-width: 1px;"| 40%
+
| style="background-color:#F8CBAD;color:black"| 25,00%
 +
| style="background-color:#F8CBAD;color:black"| 20,40%
 
|-
 
|-
|style="border-style: solid; border-width: 1px;"| Crossing the T ('''<span style="color:green">Advantage</span>''')<br />{{Nihongo|T字戦有利|''T Ji-sen Yuuri''|}}
+
! 6
|style="text-align: center; border-style: solid; border-width: 1px;"| 120%
+
!
|style="text-align: center; border-style: solid; border-width: 1px;"| 15%
+
!
|style="text-align: center; border-style: solid; border-width: 1px;"| 15%
+
| style="background-color:#F8CBAD;color:black"| 25,00%
 +
| style="background-color:#F8CBAD;color:black"| 20,40%
 
|-
 
|-
|style="border-style: solid; border-width: 1px;"| Crossing the T ('''<span style="color:red">Disadvantage</span>''')<br />{{Nihongo|T字戦不利|''T Ji-sen Furi''|}}
+
! 7
|style="text-align: center; border-style: solid; border-width: 1px;"| 60%
+
!
|style="text-align: center; border-style: solid; border-width: 1px;"| 10%
+
!
|style="text-align: center; border-style: solid; border-width: 1px;"| 0%
+
!
 +
| style="background-color:#F8CBAD;color:black"| 20,40%
 
|}
 
|}
 +
<references/>
  
* All engagement forms '''affect both sides equally''', including crossing the T (<span style="color:green">Advantage</span> or <span style="color:red">Disadvantage</span>).
+
===Choosing a Formation===
* Night battle and aerial combat are '''not affected by engagement'''.
+
[[File:Formation_Selection_Screen.png|thumb|right|Formation Selection Screen]]
* OASW and opening torpedoes are '''affected by engagement''' even though it is only displayed after those phases.
+
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.
*Equipping a {{Template:YellowPlane}}[[Saiun]] effectively makes what would have been Crossing the T (Disadvantage) become Head-on engagement.
 
 
 
===Shelling===
 
Following the engagement display, ships will begin the shelling phase. This phase is divided into two and involves both surface shelling, aircraft carrier shelling and ASW attacks.
 
 
 
The following general rules apply for both shelling phases:
 
 
 
* Each fleet will take turns shelling.
 
** It is possible to skip a turn if the ship that is supposed to shell is sunk.
 
* Aircraft carriers will not attack if they have no bombers.
 
* ASW capable ships will be forced to attack submarines.
 
** Exceptions are [[Suzuya|Suzuya Kai Ni Kou]] and [[Kumano|Kumano Kai Ni Kou]].
 
* Some ships are capable of performing special attacks during shelling.  Please see [[Artillery Spotting]], [[Carrier Cut-In Attack]] and [[Damage Calculations#Touch Special Attack|Touch Special Attack]].
 
 
 
====1st Shelling Phase====
 
In this phase, both fleets will take turns shelling with the order based off the ship's range. It is possible to modify their range with equipment.
 
 
 
* The order is Very Long → Long → Medium → Short → Very Short.
 
** Ships with the same range will have their turn chosen randomly.
 
** Only Abyssal ships have Very Short range.
 
 
 
====2nd Shelling Phase====
 
If there is a battleship present in the battle, there will be a 2nd shelling phase. The battleship does not have to be alive for the 2nd shelling phase to trigger. The order is based off fleet position with the 1st ship going 1st.  
 
  
* Ships that are sunk or unable to participate at all in shelling will have their turn passed on to the next eligible ship.
+
* '''Line Ahead''': All-out surface combat formation.
* Ships normally able to participate in shelling but rendered unable will be counted but do nothing on their turn.
+
* '''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.
  
==Closing Attacks==
 
In this phase, any ship with a torpedo stat will fire a closing torpedo. Any ship with a base torpedo stat of 0 will not participate.
 
  
* It will target surface ships at random.
+
Other mechanics available on this menu:
* It will not trigger if there are no targets available.
+
* This UI can be hidden by clicking once or twice on the flagship, to see the map.
* Ships at moderate or heavy damage will not participate in this phase.
+
** The [[Fleet Preview|Enemy composition preview]] once hidden.
* Accuracy, damage and evasion are affected by formation and engagement.
+
* The smoke screen button if a {{Smoke}} [[Smoke Generator]] is equiped in the fleet.
 
 
==Night Battle==
 
[[File:Night_Attack_Example.png|thumb|right|Uranami using a cut-in-Attack during Nightbattle]]
 
Following the end of day, you will have a choice to participate in night battle. For more details, please see [[Night Battle]] and [[Damage Calculations#Night Battle|Damage Calculations]]
 
 
 
* Firing order is based off position in the fleet.
 
** Turns can be skipped if a ship is sunk or disabled before they can take their turn.
 
* Heavily damaged ships are unable to participate.
 
* It is unaffected by engagement.
 
* Certain equipment setups will allow you to perform special double attacks or cut-ins.
 
  
 
=Victory Conditions=
 
=Victory Conditions=
The damage gauge that is displayed at the victory screen is displayed using the following calculation:
+
Once the battle ended, a damage gauge is displayed on the post-combat screen for each allied and enemy fleet, using the following calculation:
  
<math>\text{Damage%} = \dfrac{\text{Fleet HP lost}}{\text{Fleet HP}}</math>
+
{{Formula
 +
|Title=Gamage Gauge Formula
 +
|Math=\text{Damage}_\text{%} = \frac{\text{Fleet}_\text{HP lost} }{\text{Fleet}_\text{HP} }
 +
|Var=<math>\text{Fleet}_\text{HP lost}</math> the total amount of HP lost by ships in the fleet,
 +
* <math>\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=For [[Combined Fleet]]s, the HP of both sub-fleets are counted.
 +
*Is rounded to 100 % in cases it goes beyond that (when using [[Repair Goddess]]es).
 +
}}
  
{| class="wikitable" style="width: 75%;"
+
The following conditions must be met to attain each rank:
|-
+
{|class="wikitable" style="width:75%; margin:auto; text-align:center"
!style="text-align: center; border-radius: 6px 0 0 0; border-style: solid; border-width: 1px; background-color:#99CCFF; width:10%;"|Victory State
+
!Victory State
!style="text-align: center; border-radius: 0 6px 0 0; border-style: solid; border-width: 1px; background-color:#99CCFF; width:90%;"|Conditions
+
!Rank
 +
!Common name
 +
!Conditions
 
|-
 
|-
|style="text-align: center; border-style: solid; border-width: 1px; color:green;"|'''Total Victory S'''<br>
+
!rowspan=4|Victory
'''(完全勝利S)'''
+
|{{TextGlow|'''Total Victory: S<br>(完全勝利S)'''|black|text-colour=gold|glow-size=2px}}
|style="border-style: solid; border-width: 1px;"|  
+
|{{TextGlow|'''Perfect S'''|black|text-colour=gold|glow-size=2px}}
* Sink all enemy ships while taking no damage in return.
+
|style="text-align:left|
* In special nodes like air raids and RADAR ambush; take 0 damage.
+
* 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.
 
|-
 
|-
|style="text-align: center; border-style: solid; border-width: 1px; color:green;"|'''Victory S'''<br>
+
|{{TextGlow|'''Victory: S<br>(勝利S)'''|black|text-colour=gold|glow-size=2px}}
'''(勝利S)'''
+
|{{TextGlow|'''S rank'''|black|text-colour=gold|glow-size=2px}}
|style="border-style: solid; border-width: 1px;"|  
+
|style="text-align:left|
 
* Sink all enemy ships.
 
* Sink all enemy ships.
* In special nodes like air raids and RADAR ambush; take less than 5% damage.
+
* In [[Combat/Map Mechanics and Nodes#Short Battle Nodes|Short Battle Nodes]], take less than 5% damage.
 
|-
 
|-
|style="text-align: center; border-style: solid; border-width: 1px; color:green;"|'''Victory A'''<br>
+
|{{colour|red|'''Victory: A<br>(勝利A)'''}}
'''(勝利A)'''
+
|{{colour|red|'''A rank'''}}
|style="border-style: solid; border-width: 1px;"|  
+
|style="text-align:left|
* Sink the minimum required number of ships.
+
* Sink 2/3 of the enemy ships.
** Number of ships depends on the size of the enemy fleet. See below for details.
+
* In [[Combat/Map Mechanics and Nodes#Short Battle Nodes|Short Battle Nodes]], take between 5% and 10% damage.
* In special nodes like air raids and RADAR ambush; take between 5% and 10% damage.
 
 
|-
 
|-
|style="text-align: center; border-style: solid; border-width: 1px; color:green;"|'''Tactical Victory B'''<br>
+
|{{TextGlow|'''Tactical Victory: B<br>(戦術的勝利B)'''|black|text-colour=orange|glow-size=2px}}
'''(戦術的勝利B)'''
+
|{{TextGlow|'''B rank'''|black|text-colour=orange|glow-size=2px}}
|style="border-style: solid; border-width: 1px;"|  
+
|style="text-align:left|
* Sink the enemy flagship.
+
* Sink the enemy flagship and have fewer ships sunk than the enemy.
** The number of enemies sunk must be greater than the number of your ships sunk.
+
* If the enemy flagship survives and the Damage % gauge is at least 2.5x less than the enemy's.
* The enemy flagship survives but your Damage % gauge is 2.5x the enemy's.
+
* In [[Combat/Map Mechanics and Nodes#Short Battle Nodes|Short Battle Nodes]], take between 10% and 20% damage.
* If any of your ships sink, this is the maximum rank you can get.
+
* ''If any of the ships sink, this is the maximum rank obtainable''.
* In special nodes like air raids and RADAR ambush; take between 10% and 20% damage.
 
 
|-
 
|-
|style="text-align: center; border-style: solid; border-width: 1px; color:red;"|'''Tactical Defeat C'''<br>
+
!rowspan=4|Defeat
'''(戦術的敗北C)'''
+
|{{TextGlow|'''Tactical Defeat: C<br>(戦術的敗北C)'''|black|text-colour=Yellow|glow-size=2px}}
|style="border-style: solid; border-width: 1px;"|  
+
|{{TextGlow|'''C Rank'''|black|text-colour=Yellow|glow-size=2px}}
* The enemy flagship survives and your Damage % gauge is between 0.5x and 2.5x of the enemy's.
+
|style="text-align:left|
** Also applies if you have any ships sunk.
+
* The enemy flagship survives and the Damage % gauge is between 0.5x and 2.5x less than the enemy's.
* The enemy flagship is sunk but you have more sunken ships than the enemy and your Damage % gauge is less than 2.5x of the enemy's.
+
** Also applies when sinking any ship during the battle.
* In special nodes like air raids and RADAR ambush; take between 50% and 20% damage.
+
* 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.
 
|-
 
|-
|style="text-align: center; border-style: solid; border-width: 1px; color:red;"|'''Defeat D'''<br>
+
|{{TextGlow|'''Defeat: D<br>(敗北D)'''|black|text-colour=lime|glow-size=2px}}
'''(敗北D)'''
+
|{{TextGlow|'''D rank'''|black|text-colour=lime|glow-size=2px}}
|style="border-style: solid; border-width: 1px;"|  
+
|style="text-align:left|
* The enemy flagship survives and your Damage % gauge is less than 0.5x of the enemy's.
+
* If the enemy flagship survives and the Damage % gauge is less than 0.5x of the enemy's.
* Your Damage % gauge is 0.05% (essentially 0).
+
* If the Damage % dealt is 0.05% (essentially 0).
* When both fleets deal no damage to each other.
+
* If both fleets deal no damage to each other.
 
** This applies to submarine vs submarine battles and air battle nodes.
 
** This applies to submarine vs submarine battles and air battle nodes.
 
* Ships are sunk but not enough to meet the conditions for E.
 
* Ships are sunk but not enough to meet the conditions for E.
* In special nodes like air raids and RADAR ambush; take heavy damage.
+
* In [[Combat/Map Mechanics and Nodes#Short Battle Nodes|Short Battle Nodes]], take heavy damage.
|-
 
|style="text-align: center; border-style: solid; border-width: 1px; color:red;"|'''Defeat E'''<br>
 
'''(敗北E)'''
 
|style="border-style: solid; border-width: 1px;"|
 
* The enemy flagship survives and the number of sunk ships in your fleet meets the minimum kill requirements.
 
** Not meeting the requirements defaults to D. Eg 3/6 ships sunk instead of 4.
 
 
|-
 
|-
 +
|{{TextGlow|'''Defeat: E'''<br>(敗北E)'''|lightgray|text-colour=blue|glow-size=1px}}
 +
|{{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.
 
|}
 
|}
  
'''Minimum Kill Requirements'''
+
;Notes
 
 
{| class="wikitable"
 
|-
 
!style="text-align: center; border-radius: 6px 0 0 0; border-style: solid; border-width: 1px; background-color:#99CCFF; width:32px;"|Fleet Size
 
!style="text-align: center; border-radius: 0 6px 0 0; border-style: solid; border-width: 1px; background-color:#99CCFF; width:32px;"|Minimum Kill
 
|-
 
|style="text-align: center; border-style: solid; border-width: 1px;"| 2
 
|style="text-align: center; border-style: solid; border-width: 1px;"| 1
 
|-
 
|style="text-align: center; border-style: solid; border-width: 1px;"| 3
 
|style="text-align: center; border-style: solid; border-width: 1px;"| 2
 
|-
 
|style="text-align: center; border-style: solid; border-width: 1px;"| 4
 
|style="text-align: center; border-style: solid; border-width: 1px;"| 2
 
|-
 
|style="text-align: center; border-style: solid; border-width: 1px;"| 5
 
|style="text-align: center; border-style: solid; border-width: 1px;"| 3
 
|-
 
|style="text-align: center; border-style: solid; border-width: 1px;"| 6
 
|style="text-align: center; border-style: solid; border-width: 1px;"| 4
 
|-
 
|style="text-align: center; border-style: solid; border-width: 1px;"| 12
 
|style="text-align: center; border-style: solid; border-width: 1px;"| 8
 
|-
 
|}
 
 
 
'''Important Notes'''
 
 
* B-ranks are the minimum victory requirements for:
 
* B-ranks are the minimum victory requirements for:
** Obtaining drops.
+
** Obtaining [[drop]]s.
 
** Clearing a map without a boss gauge.
 
** Clearing a map without a boss gauge.
** Counting for quest victories (where minimum rank is unspecified).
+
* Drops (both rate and pool) scale based on rank obtained. Some drops might be exclusive to higher ranks.
* A-ranks are the minimum victory requirements for obtaining rare drops in most cases.
+
* Perfect S (Total Victory) ranks count as a regular S-Rank.
* S-ranks are the minimum victory requirements for obtaining the rarest drops.
+
** Perfect S is fulfilled if all ships' final HPs on battle ended is greater than or equal to initial HPs on battle started.
** It also has the best drop rates out of all the victory conditions.
+
** 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 (Total Victory) ranks count as a regular S-rank. It has no extra bonuses.
 
 
 
=MVP=
 
At the end of combat, one ship is picked as the MVP. She gains bonuses to exp and morale. For more details, please see [[Experience and Rank]] and [[Morale and Fatigue]].
 
  
The following is how the MVP is determined:
+
==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 ship which deals the highest total damage is awarded MVP.
+
The way MVP is determined is:
** The damage is not weighted. I.e. 300 damage to a battleship counts the same as 300 damage to a destroyer.
+
* The girl who deals the highest total damage (sum of all attacks during the combat) is awarded MVP. This damage is not weighted.
** Even though you cannot reduce enemy below 1 in PvP, overkill damage is counted even though it isn't displayed.
+
* If multiple girls are tied for damage, the MVP goes to the topmost girl in the fleet order.
* If multiple ships are tied for damage, the way MVP is determined is unknown.
+
* If the ship achieving the most damage would be sunk in the battle, MVP is rewarded to the next highest damage dealer instead.
* In the event where no damage is dealt to the enemy, the flagship automatically becomes MVP.
+
** As such, if no damage is dealt to the enemy, the flagship automatically receives MVP.
** It usually happens in air raid and RADAR ambush nodes.
+
* Battles ending in an E-Rank have no MVP.
* In the event of an E-rank, MVP is not awarded to anyone.
+
* In a Combined Fleet, each fleet has its own independent MVP.
* In a Combined Fleet, MVP is determined separately for the main and escort fleets.
 
  
=Other Information=
+
=See Also=
 
{{Mechanics}}
 
{{Mechanics}}
[[zh:战斗]]
 
[[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