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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.
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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]]''.
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*''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]]'''.
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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]]
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#[[LBAS|Land-Based Aerial Support]]
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#[[Air Power|Stage 1 - Battle for Air Superiority]]
 +
#[[Anti-Air|Stage 2 - Fleet Anti-Air Defense]]
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#[[Airstrike|Stage 3 - Airstrike]]
 +
|
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#[[Engagement]]
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#[[Support Expedition]]
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#[[Battle Opening]]s
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#[[Shelling|Shelling Phase]]
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#[[Day Battle#Second Shelling Phase|Second Shelling Phase]]
 +
#[[Closing Torpedo Salvo]]
 +
|
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#[[Friendly Fleet]] (event only)
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#[[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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|110%
 
|110%
 
|rowspan=2 style="color:red"|'''120%'''
 
|rowspan=2 style="color:red"|'''120%'''
−
|rowspan=2 style="color:red"|'''130%'''
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|rowspan=2 style="color:red"|'''140%<ref>https://twitter.com/Divinity_123/status/1453371977020985353</ref>'''
 
|rowspan=2|100%
 
|rowspan=2|100%
 
|90%<ref name="echelon">https://twitter.com/Divinity__123/status/1228686473119064066</ref>
 
|90%<ref name="echelon">https://twitter.com/Divinity__123/status/1228686473119064066</ref>
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|50%
 
|50%
 
|80%<ref>https://twitter.com/Divinity_123/status/1452289616866947081</ref>
 
|80%<ref>https://twitter.com/Divinity_123/status/1452289616866947081</ref>
−
|rowspan=2|''See<br>[[#Vanguard Formation|bellow]]''
+
|rowspan=2|''See<br>[[#Vanguard Formation|below]]''
 
|style="color:red"|'''100%'''
 
|style="color:red"|'''100%'''
 
|70%<ref>https://twitter.com/Divinity_123/status/1457819658090844163</ref>
 
|70%<ref>https://twitter.com/Divinity_123/status/1457819658090844163</ref>
−
|rowspan=2|''See<br>[[#Vanguard Formation|bellow]]''
+
|rowspan=2|''See<br>[[#Vanguard Formation|below]]''
 
|100%
 
|100%
 
|??
 
|??
−
|rowspan=2|''See<br>[[#Vanguard Formation|bellow]]''
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|rowspan=2|''See<br>[[#Vanguard Formation|below]]''
 
|50%
 
|50%
 
|??
 
|??
−
|rowspan=2|''See<br>[[#Vanguard Formation|bellow]]''
+
|rowspan=2|''See<br>[[#Vanguard Formation|below]]''
 
|110%
 
|110%
 
|Medium
 
|Medium
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!Night Battles
 
!Night Battles
 
|-
 
|-
−
|Vanguard (Both) vs DD||110%||120%||?||?
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|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
 
|Double Line vs Line Abreast||rowspan=3|100%||rowspan=3|N/A||rowspan=3|100%||rowspan=3|N/A
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** 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:  
 
** The targeting is determined as follows:  
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* '''Echelon''': Mixed surface-ASW combat formation.
 
* '''Echelon''': Mixed surface-ASW combat formation.
 
* '''Line Abreast''': ASW formation.
 
* '''Line Abreast''': ASW formation.
−
* '''Vanguard''': Defensive/evasive formation (event only).
+
* '''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.
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* 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}}

Revision as of 20:38, 20 February 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
Detection Aerial Combat 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% 110% 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.
  1. ↑ Measured and corroborated with Vita values.
  2. ↑ Source: 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.
  3. ↑ https://twitter.com/Xe_UCH/status/1304783506275409920
  4. ↑ https://twitter.com/Divinity__123/status/1177455647593353217
  5. ↑ https://docs.google.com/spreadsheets/d/1L854d9MjPHc4yNELEp1oRz029-LHz2aMRF089_MO2vo/edit#gid=1875509487
  6. ↑ https://twitter.com/Divinity_123/status/1453371977020985353
  7. ↑ 7.0 7.1 https://twitter.com/Divinity__123/status/1228686473119064066
  8. ↑ https://github.com/Tibowl/KCBugTracker/issues/24#issuecomment-872108225
  9. ↑ https://docs.google.com/spreadsheets/d/14uCat5nahv3A0Zq6d263Ye3U_f1nBYpIMEc9ALegyNA/edit#gid=0
  10. ↑ https://twitter.com/Divinity_123/status/1452289616866947081
  11. ↑ https://twitter.com/Divinity_123/status/1457819658090844163
  12. ↑ Has even greater bonuses against PT Imps (see here)

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.

  • Activation rate is determined solely by the selected formation. If activated, a ship with HP above Minor Damage (小破) is randomly selected to be the protector.
    • If no ships are above Minor Damage, flagship protection cannot activate.
    • 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.
  • 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.
  • In Combined Fleets, the escort flagship does not receive flagship protection.

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.
  • Attacks from support fleets are affected by the top row multipliers, meaning the 50% damage modifier is applied.
  • Vanguard gives an accuracy malus to the opposite fleet. See here for more details.
  • 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.[1]
    • Target rate per ship (without flagship protection) based on the above procedure:
Number of Ships 4 5 6 7
Upper Half 12.5% 8% 8.33% 6.13%
Bottom Half 37.5% 28% 25% 20.4%
  1. ↑ https://twitter.com/Xe_UCH/status/974571652229955584

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).

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.
    • 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

v · e
Game Mechanics
General Combat
Combat Calcultaions
Special Resources
Other
Defunct Mechanics
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