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{{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.
 
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=
 
=Combat Phases=
In each node, combat will consist of at least one, up to 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.
+
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.
More information on ''[[Combat/Map Mechanics and Nodes#Nodes|Nodes]]''.
+
*''See [[Node]]s for more details.
 +
*Using a [[Combined Fleet]] will also affect the phases, especially during the shelling.
   −
In no particular order, the combat phases are made out of '''[[Aerial Combat]]''', '''[[Battle Opening]]''', '''[[Day Battle]]''', '''[[Night Battle]]''', '''[[LBAS|Land-based Aerial Support]]''', and '''[[Support Expedition]]'''.
+
The combat phases are made out of:
 +
{|class="wikitable"
 +
!colspan=3|[[Day Battle]]
 +
!rowspan=2|[[Night Battle]]
 +
|-
 +
!rowspan=2|[[Detection]]
 +
![[Aerial Combat]]
 +
!Surface Combat
 +
|-
 +
|
 +
#LBAS's [[Jet Assault]]
 +
#Fleet's [[Jet Assault]]
 +
#[[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]]
 +
|
 +
#[[Engagement]]
 +
#[[Support Expedition]]
 +
#[[Battle Opening]]s
 +
#[[Shelling|Shelling Phase]]
 +
#[[Day Battle#Second Shelling Phase|Second Shelling Phase]]
 +
#[[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==
 
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'''.
 
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 retreated with {{EquipmentLink|Fleet Command Facility|Striking Force Fleet Command Facility|Elite Torpedo Squadron Command Facility}} are not counted.
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* 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.
 
* 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.
 
* 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.
    
{|class="wikitable" style="text-align:center"
 
{|class="wikitable" style="text-align:center"
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!colspan=3|Torpedo
 
!colspan=3|Torpedo
 
!colspan=3|Anti-Submarine
 
!colspan=3|Anti-Submarine
!colspan=3|Night Battle
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!colspan=3|[[Night Battle]]
 
!rowspan=2|AA
 
!rowspan=2|AA
!rowspan=2|Flagship Protection
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!rowspan=2|[[#Flagship Protection|Flagship Protection]]
 +
!rowspan=2|Notes
 
|-
 
|-
 
!Damage!!Accuracy!!Evasion
 
!Damage!!Accuracy!!Evasion
 
!Damage!!Accuracy!!Evasion
 
!Damage!!Accuracy!!Evasion
 
!Damage!!Accuracy!!Evasion
 
!Damage!!Accuracy!!Evasion
!Damage!!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). Corroborated with Vita values.</ref>!!Evasion
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!Damage!!Accuracy<ref>Measured and corroborated with Vita values.</ref>!!Evasion
 
|-
 
|-
 
|width=140px|Line Ahead<br>{{Nihongo|単縦陣|''Tanjuu-jin''}}
 
|width=140px|Line Ahead<br>{{Nihongo|単縦陣|''Tanjuu-jin''}}
Line 43: Line 75:  
|100%
 
|100%
 
|45%
 
|45%
 +
|
 
|-
 
|-
 
|Double Line<br>{{Nihongo|複縦陣|''Fukujuu-jin''}}
 
|Double Line<br>{{Nihongo|複縦陣|''Fukujuu-jin''}}
 
|{{DoubleLine}}
 
|{{DoubleLine}}
 
|80%
 
|80%
|style="color:red"|'''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).'' Corroborated with Vita values.
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|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>
</ref>
   
|100%
 
|100%
 
|80%
 
|80%
Line 61: Line 93:  
|120%
 
|120%
 
|60%
 
|60%
 +
|
 
|-
 
|-
 
|Diamond<br>{{Nihongo|輪形陣|''Rinkei-jin''}}
 
|Diamond<br>{{Nihongo|輪形陣|''Rinkei-jin''}}
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|style="color:red"|'''160%'''
 
|style="color:red"|'''160%'''
 
|style="color:red"|'''75%'''
 
|style="color:red"|'''75%'''
 +
|
 
|-
 
|-
 
|rowspan=2|Echelon<br>{{Nihongo|梯形陣|''Teikei-jin''}}
 
|rowspan=2|Echelon<br>{{Nihongo|梯形陣|''Teikei-jin''}}
Line 89: Line 123:  
|110%
 
|110%
 
|rowspan=2 style="color:red"|'''120%'''
 
|rowspan=2 style="color:red"|'''120%'''
|rowspan=2 style="color:red"|'''130%'''
+
|rowspan=2 style="color:red"|'''140%<ref>https://twitter.com/Divinity_123/status/1453371977020985353</ref>'''
 
|rowspan=2|100%
 
|rowspan=2|100%
|90%<ref name="echelon1">https://twitter.com/Divinity__123/status/1228686473119064066</ref>
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|90%<ref name="echelon">https://twitter.com/Divinity__123/status/1228686473119064066</ref>
|style="color:red"|'''130%'''<ref name="echelon1"></ref>
+
|style="color:red"|'''130%'''<ref name="echelon"></ref>
 
|rowspan=2|100%
 
|rowspan=2|100%
 
|rowspan=2|60%
 
|rowspan=2|60%
 +
|Single vs Single fleet battles
 
|-
 
|-
 
|60%
 
|60%
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|80%
 
|80%
 
|110%
 
|110%
 +
|Single vs Combined fleet battles (either way)<ref>https://github.com/Tibowl/KCBugTracker/issues/24#issuecomment-872108225</ref>
 
|-
 
|-
 
|Line Abreast<br>{{Nihongo|単横陣|''Tan'ou-jin''}}
 
|Line Abreast<br>{{Nihongo|単横陣|''Tan'ou-jin''}}
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|100%
 
|100%
 
|60%
 
|60%
 +
|
 
|-
 
|-
|rowspan=2|Vanguard<ref>The direct translation of "Keikai" is "alert".</ref><br>{{Nihongo|警戒陣|''Keikai-jin''}}
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|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''}}
 
|rowspan=2|{{Vanguard}}
 
|rowspan=2|{{Vanguard}}
 
|50%
 
|50%
|80%
+
|80%<ref>https://twitter.com/Divinity_123/status/1452289616866947081</ref>
|??
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|rowspan=2|''See<br>[[#Vanguard Formation|below]]''
 
|style="color:red"|'''100%'''
 
|style="color:red"|'''100%'''
|??
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|70%<ref>https://twitter.com/Divinity_123/status/1457819658090844163</ref>
|??
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|rowspan=2|''See<br>[[#Vanguard Formation|below]]''
 
|100%
 
|100%
 
|??
 
|??
|??
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|rowspan=2|''See<br>[[#Vanguard Formation|below]]''
 
|50%
 
|50%
 
|??
 
|??
|??
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|rowspan=2|''See<br>[[#Vanguard Formation|below]]''
 
|110%
 
|110%
 
|Medium
 
|Medium
 +
|Upper half of the fleet
 
|-
 
|-
 
|100%
 
|100%
 
|style="color:red"|'''120%'''
 
|style="color:red"|'''120%'''
|??
   
|style="color:red"|'''100%'''
 
|style="color:red"|'''100%'''
|??
+
|90%
|??
   
|60%
 
|60%
|??
   
|??
 
|??
 
|100%
 
|100%
|??
   
|??
 
|??
 
|110%
 
|110%
 
|High
 
|High
 +
|Bottom half of the fleet
 +
|}
 +
 +
{|class="wikitable"
 +
!colspan=5|Accuracy Exceptions
 +
|-
 +
!Formation
 +
!Day Shelling &<br>Carrier Attacks
 +
!Torpedo Attacks
 +
!ASW
 +
!Night Battles
 +
|-
 +
|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%||?||?
 +
|-
 +
|Double Line vs Line Abreast||rowspan=3|100%||rowspan=3|N/A||rowspan=3|100%||rowspan=3|N/A
 +
|-
 +
|Echelon vs Line Ahead
 +
|-
 +
|Line Abreast vs Echelon
 
|}
 
|}
<references/>
     −
'''Notes:'''
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;Notes:
* Exceptions to the table: Shelling Accuracy and Anti-Submarine Accuracy are '''100%''' for the following combinations of formations:
  −
** Double Line attacking Line Abreast
  −
** Echelon attacking Line Ahead
  −
** Line Abreast attacking Echelon
   
* Exact values were datamined from KanColle Kai for the Vita. Testing on the browser version has corroborated these results.
 
* Exact values were datamined from KanColle Kai for the Vita. Testing on the browser version has corroborated these results.
** Values for Vanguard and new Echelon are vague as they weren't introduced for KanColle Kai.
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** Values for Vanguard and the [[Game_Updates/2019/Feburary_27th|new]] Echelon are vague as they weren't introduced for KanColle Kai.
* Echelon modifiers were buffed on the [[Game_Updates/2019/Feburary_27th|2019-02-27 update]]. Split cells contain '''new''' values '''above''' and '''old''' values '''below'''. All '''new''' values are confirmed for Single vs Single fleet battles. However, Single fleets in Echelon fighting Combined fleets (either the player's in 6v12, or the enemy's in 12v6) are confirmed to use the '''old''' shelling damage value of 60%.<ref>https://github.com/Tibowl/KCBugTracker/issues/24#issuecomment-872108225</ref> It is unknown if they use new values or old values for other calculations.
  −
** If a player's combined fleet selects Echelon on a Night Battle Node, it also uses the '''old''' shelling damage value of 60%. This can be observed through the damage of Support Shelling, which uses the shelling modifier of the formation.
   
<references/>
 
<references/>
   Line 171: Line 217:  
** Having more ships above Minor Damage does not increase the rate.
 
** Having more ships above Minor Damage does not increase the rate.
 
* It may activate on any type of attack, including shelling, torpedo, ASW, airstrike, and support.
 
* It may activate on any type of attack, including shelling, torpedo, ASW, airstrike, and support.
* Submarines do not protect surface ships. Surface ships do not protect submarines.
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* Submarines do not protect surface ships and surface ships do not protect submarines.
* Installations cannot perform protection, and cannot receive protection if they are flagship.
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* [[Installation]]s cannot perform protection, and cannot receive protection if they are flagship.
* In combined fleet, the escort flagship does not receive flagship protection.
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* In [[Combined Fleet]]s, the escort flagship does not receive flagship protection.
    
===Vanguard Formation===
 
===Vanguard Formation===
* Vanguard is only available when an Event World is active. It is usable in any map during such time, however.
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* 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.
 
* 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, 2 and 3 and the bottom row applies to the remaining ships.
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** 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.
 
** 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.
 
* '''Attacks from support fleets are affected by the top row multipliers, meaning the 50% damage modifier is applied.'''
 
* '''Attacks from support fleets are affected by the top row multipliers, meaning the 50% damage modifier is applied.'''
* Vanguard has a further post-cap evasion modifier for all ships in the fleet.<ref>https://twitter.com/Xe_UCH/status/972244541783793664 (2018-03-09)</ref>
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* Vanguard gives an accuracy malus to the opposite fleet. See ''[[Accuracy, Evasion and Criticals#Vanguard Formation|here]]'' for more details.
** For ships at the upper half: '''Non-destroyers''' get a '''5%''' bonus. '''Destroyers''' get a '''20%''' bonus.
  −
** For ships at the bottom half: '''Non-destroyers''' get a '''20%''' bonus. '''Destroyers''' get a '''40%''' bonus.
  −
** Exception: Ships in position '''4''' of a 6 or 7 ships fleet receive the '''upper half''' bonuses, despite being bottom half ships for all other purposes of vanguard.
  −
** This bonus applies to shelling and torpedoes, but not airstrike.
   
* Bottom half ships have increased chance to be targeted.
 
* Bottom half ships have increased chance to be targeted.
** The targeting is determined as follows: 1. Randomly select any ship from the fleet. 2. If the selected ship is an upper half ship, randomly select any ship from the fleet again.<ref>https://twitter.com/Xe_UCH/status/974571652229955584</ref>
+
** The targeting is determined as follows:  
 +
***1. Randomly select any ship from the fleet.  
 +
***2. If the selected ship is an upper half ship, randomly select any ship from the fleet again.<ref>https://twitter.com/Xe_UCH/status/974571652229955584</ref>
 
** Target rate per ship (without flagship protection) based on the above procedure:
 
** Target rate per ship (without flagship protection) based on the above procedure:
 +
 
{| class="wikitable"
 
{| class="wikitable"
 
! Number of Ships
 
! Number of Ships
! 4
+
! 4!! 5!! 6!! 7
! 5
  −
! 6
  −
! 7
   
|-
 
|-
 
! Upper Half
 
! Upper Half
| 12.5%
+
| 12.5%|| 8%|| 8.33%|| 6.13%
| 8%
  −
| 8.33%
  −
| 6.13%
   
|-
 
|-
 
! Bottom Half
 
! Bottom Half
| 37.5%
+
| 37.5%|| 28%|| 25%|| 20.4%
| 28%
  −
| 25%
  −
| 20.4%
   
|}
 
|}
 
<references/>
 
<references/>
    
===Choosing a Formation===
 
===Choosing a Formation===
   
[[File:Formation_Selection_Screen.png|thumb|right|Formation Selection Screen]]
 
[[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.
 
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 219: Line 254:  
* '''Diamond''': Anti-Air formation.
 
* '''Diamond''': Anti-Air formation.
 
* '''Echelon''': Mixed surface-ASW combat formation.
 
* '''Echelon''': Mixed surface-ASW combat formation.
* '''Line Abreat''': ASW formation.
+
* '''Line Abreast''': ASW formation.
* '''Vanguard''': Defensive/evasive formation.
+
* '''Vanguard''': Defensive/evasive & anti DD/[[PT Imp]] formation (event only).
    
=Victory Conditions=
 
=Victory Conditions=
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** 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 [[Combat/Map Mechanics and Nodes#Short Battle Nodes|Short Battle Nodes]], take heavy damages.
+
* In [[Combat/Map Mechanics and Nodes#Short Battle Nodes|Short Battle Nodes]], take heavy damage.
 
|-
 
|-
 
|{{TextGlow|'''Defeat: E'''<br>(敗北E)'''|lightgray|text-colour=blue|glow-size=1px}}
 
|{{TextGlow|'''Defeat: E'''<br>(敗北E)'''|lightgray|text-colour=blue|glow-size=1px}}
Line 309: Line 344:  
=See Also=
 
=See Also=
 
{{Mechanics}}
 
{{Mechanics}}
[[Category:Game Mechanics]]
 
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