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IntroductionEdit

Combat is where the majority of the game's action takes place. When sortieing to a map, you will notice along the way that there are red nodes scattered all over the maps. These are combat nodes, in which your goal is to sink the enemy ships. Combat is completely automated, save for a few decisions you can make during some sections.

This article explains the basic flow of combat mechanics and is more focused for beginners to gain an understanding as to how combat works. In case you already have a basic understanding of this, use the tabs above to navigate to the topic you're interested in.

This article will explain the following combat phases in order:

  • Formation Selection
  • Detection
  • Aerial Combat
  • Engagement Form Modifier
  • Day Combat
  • Night Combat

Damage CalculationEdit

Before we actually explore each combat phase though, it is important to know what the relevant stats are when dealing damage and how they are applied during each phase.

Icon Description
Icon HP The health of a ship. If a ship reaches 0 Icon HP, she will be sunk. A player's ship can only be sunk when the fleet reaches a new node on the map and one of the ships in the fleet has become heavily damaged.
Icon Gun The Icon Gun stat decides how much damage you do to your opponents per shot during the shelling phase.
Icon Torpedo The Icon Torpedo stat increases the damage of all forms of torpedo attacks against your opponents. Affects all form of torpedo attacks. 
Icon ASW For Anti-Submarine Warfare (ASW). This stat affects how much damage you do against enemy submarines.
Icon Armor The Icon Armor stat generates an armor roll that decides how much damage is subtracted in case the ship suffers a direct hit. Higher armor stats increases the scope of the armor roll value.

Each form of attack has their own mechanics associated with them as well as a damage cap. The damage cap is also known as the softcap and any damage value that goes past the damage cap will be met with diminishing returns. Of course, there are exceptions to anything, but more to that later.

Type Relevant Stats Damage Cap Description
Shelling Attacks Icon Gun 180 Attacks that involves firing a barrage at your opponents.
Torpedo Attacks Icon Torpedo 150 Any form of torpedo attacks that are performed during the day.
Opening Airstrikes Icon Dive or Icon Torpedo 150 The aerial attack of an opening airstrike.
ASW Icon ASW 150 Anti-Submarine attacks, which involves attacking the enemy submarine with depth charges or by attacking them with aircraft.
Night Battle Icon Gun + Icon Torpedo 300 During night battle, all forms of attacks are treated the same.

For more information about damage calculation, click here

Formation SelectionEdit

When approaching a red node, you are given the choice to select a fleet formation. There are 5 formations for the player to choose and each formation has its advantages and disadvantages.

However, in case the player has less than 4 ships, you will not be given the choice and the fleet will default to Line Ahead formation.

Note: Keep in mind that the formation you select here, will only affect your own fleet.


Formation ModifierEdit

Formation Icon Damage Modifier Accuracy Modifier FS Prot
Shelling ASW Night AA Shelling ASW Torp Night
Line Ahead
単縦陣?
LineAhead 100% 60% 100% 100% 100% 100% 100% 100% 45%
Double Line
複縦陣?
DoubleLine 80% 80% 100% 120% 120% 120% 80% 90% 60%
Diamond
輪形陣?
Diamond 70% 120% 100% 160% 100% 100% 40% 70% 75%
Echelon
梯形陣?
Echelon 60% 100% 100% 100% 120% 120% 60% 80% 60%
Line Abreast
単横陣?
LineAbreast 60% 130% 100% 100% 120% 120% 30% 80% 60%

Note:

  • The values are based from data found in Kancolle Vita. All the analysis and tests done on the browser version seems to match the current values so far.
  • This table consists of only damage and hit rate modifiers of each attack, which are the basic essentials. In case you are interested in the full table, check out Day Combat for more info.
  • The surface damage modifier applies to both shelling and torpedo attacks but does not affect Opening Airstrikes or Anti-Submarine attacks.
  • All attacks during night battle have a 100% damage modifier, regardless of formation.
    • The exception being against submarines.
  • Enemy's fleet is affected by the same formation modifier as us; furthermore, the formation shown on screen is based on the perspective of both fleet. This may result in the situation where the formations of both sides are shown as "line ahead" icon on-screen, but it is actually "line abreast".
  • Flagship protection is the situation where a non-flagship ship protects the flagship from being damaged by receiving the attack instead. This will only work if there is a healthy (green health) non-flagship ship available in the fleet. In case all the requirements are met, the chances will trigger every time a flagship is targeted.

Factors that decides which formation you should choose:

  • Line Ahead: This formation has the highest offensive power for surface combat. This is generally the choice you should always be choosing when surface combat is involved. Keep in mind though that ASW damage is very poor.
  • Double Line: This formation increases the shelling accuracy, but lowers the damage output in return during the day. This is a good choice in case the enemy fleet contains a mix of submarines and surface fleets, but because of the firepower penalty, you are recommended not to choose this formation for the increased accuracy.
  • Diamond: This formation has the strongest anti-air modifier and is almost as good as Line Abreast for ASW purposes. Diamond is the formation you should always be using when you have to defend yourself in an Air Raid node. This is also a good alternative to Double Line when you are faced with mixed fleets.
    • Keep in mind that Diamond formation is only available when there are at least 5 ships in the fleet.
  • Echelon: A formation which doesn't excel in anything during the day and is generally useless.
  • Line Abreast: Line Abreast is the best formation for anti-sub purposes, but has the worst damage modifier against surface targets during the day. This is also the best formation to use if the goal is to increase your evasion in night battles.

DetectionEdit

Success Failed
Combat detect success Combat detect fail
Effects
Allows the participation of allied planes.

Note: While it states that Icon Hit and Icon Evasion have increased, there is no evidence of that actually being the case.

Prevents the participation of allied planes.
Fleet LOS affects Detection rate.

In detection, your fleet attempts to detect the enemy fleet by either sending out recon seaplanes, using radars or detect them using sonars, in case you are dealing with submarines. The success rate of a detection is influenced by the Icon LOS of your fleet.

In case your fleet fails to detect the enemy fleet, your fleet will not participate in the Aerial Combat Phase, resulting in an automatic Air Incapability. Failing the detection will also run the risk of your recon seaplane getting shot down.

Aerial CombatEdit

Aerial combat is a phase where both friendly fleet and opponents send their planes out at the same time trying to determine the air control status while shooting down each others' planes. The fleets then start their anti-air defense against bombers and the remaining surviving bombers would then launch an attack on the enemy ships.

The important main stages that take place in aerial combat are in the following order:

  • Fighter Combat
  • Fleet Anti-Air Defense
  • Bombing Phase

Fighter Combat (First Stage)Edit

Combat parity and incapability

Fighting for Air Superiority

In this phase, all fighters and bombers fight for the air control to establish air superiority. The air state is dependent on how many fighter power your fleet has, compared to the enemy fleet. Planes are proportionally shot down depending on which air state has been achieved. The air states are as follows:

  • AS+: Air Supremacy
  • AS: Air Superiority
  • AP: Air Parity
  • AD: Air Denial
  • AI: Air Incapability

In case your opponent does not have any fighter power, you will gain Air Supremacy by default. If neither side have aircraft that can participate in the fighter combat, the air control will default to parity. You are advised to always attempt to obtain at least Air Superiority and in cases where it's possible, Air Supremacy. The stronger your air control, the more advantages you gain in your favor.

Fleet Anti-Air Defense (Second Stage)Edit

Bandicam 2014-11-20 02-55-57-126.avi snapshot 00.26 -2014.11.20 03.09.34-

An Anti-Air Cut-In

After the first stage, all the fighters will retreat, as they already finished their job of establishing air control. In this phase, all your bombers will approach the opponent fleet in an attempt to attack them, while the enemy will attempt to shoot them down through Icon AA fire.

The strength of the Icon AA fire is heavily dependent on the Icon AA stat, Icon AA equipment and Anti-Air Cut-In attacks. Note that Anti-Air Cut-In attacks are not available to the abyssal fleet.

Bombing Phase (Third Stage)Edit

2-5 boss node

An airstrike being carried out

All remaining surviving bombers will randomly choose and attack a target among the enemy fleet. The damage done is affected by the amount of planes in a slot and whether you have used a dive bomber or a torpedo bomber.

Note: Opening Airstrike accuracy is not affected by morale and the damage is not affected by formations or engagement modifiers.

For more information about aerial combat, click here.

Engagement Form ModifierEdit

During every battle, an engagement form is declared, which further modifies the amount of damage you can potentially deal.

Form Damage Modifier Chance Chance with Saiun
Saiun 054 Card
Combat Screens
Crossing the T (Advantage)
T字戦有利 (T Ji-sen Yuuri?)
120% 15% 15% Combat greent
Parallel Engagement
同航戦 (Doukousen?)
100% 45% 45% Combat parallel
Head-on Engagement
反航戦 (Hankousen?)
80% 30% 40% Combat headon
Crossing the T (Disadvantage)
T字戦不利 (T Ji-sen Furi?)
60% 10% 0% Combat redt

Note:

  • All engagement forms affect both sides equally, including crossing the T (Advantage or Disadvantage). In the case of Green T, both sides will gain a 120% boost in firepower.
  • Night battle and aerial combat are not affected by engagement forms. However, day torpedo attacks are affected by engagement forms.
  • Engagement modifiers do affect opening phases like Opening Torpedo or Opening ASW, even though they happen before the engagement modifier is declared.
  • Equipping a YellowPlaneSaiun
    Saiun 054 Card
    effectively prevents Red T.

Day CombatEdit

Main article: Day Combat

During day combat, your fleet and the enemy will exchange fire and attempt to sink each other. It is basically the phase where also the most action happens, including the majority of the phases that was explained above.

This is further categorized into two categories:

  • Opening Phases: The opening phases consists of stages where attacks are fired pre-emptively against your opponents before any other attacks are performed. This phase ends when the formation modifier gets displayed.
  • Day Shelling Phase: After the formation modifier is displayed, the shelling phase will start. In this phase, all surface ships will each take a turn in firing a barrage against the enemy fleet. This can extend to a 2nd shelling phase if a battleship is present. This will then be concluded with a torpedo phase, in which all ships with torpedo capabilities will fire off a torpedo.

Opening Phases:

Day Shelling Phase:

  • 1st Shelling Phase
    • Artillery Spotting
    • Anti-Submarine Warfare
  • 2nd Shelling Phase
    • Artillery Spotting
    • Anti-Submarine Warfare
  • Closing Torpedo

For more information regarding the phases of aerial combat, check out Aerial Combat.

For more information regarding each phase related to shelling, check out the Day Combat.


Support ExpeditionsEdit

Support expedition

Support Shelling initiated

Support expeditions involve sending a fleet into an expedition to provide additional support to the current fleet that is at sortie. Depending on whether you used a node support that supports you on the way or a boss support, the expedition fleet will appear on the battle nodes and fire an opening barrage against the enemy fleet. The type of support you receive depends completely on what kind of ships you have sent to the expedition.

Note: Keep in mind that this is only available for World 5 and event maps.

For more information regarding support expeditions, check out Support Expedition.


Artillery SpottingEdit

KanColle-140425-17422431

Cut-in Type Observed Fire using 1 Main 1 Sec & Type 91 AP shell

When at least Air Superiority is achieved during the Aerial phase, ships that are equipped with a SeaplaneSeaplane will be eligible to use Artillery Spotting during the day shelling phase. Artillery Spotting is either a strong but accurate single attack (Cut In) or a powerful double attack (Double Attack) that deals double the amount of damage against surface targets.

All forms of artillery spotting attack deal extra post-cap damage, meaning that the extra damage is not restricted by the damage cap. Note that Artillery Spotting does not work against submarines because guns are useless against them.

If you want to learn more about artillery spotting, check out the Artillery Spotting requirements.


Anti-Submarine WarfareEdit

Any submarine present in the enemy fleet will force Destroyers, Light Cruisers, Torpedo Cruisers, Training Cruisers, and Hayasui
AO Hayasui 460 Battle
to target them during the shelling phases even if there are surface targets present. It also applies to Aviation Heavy Cruisers, Aviation Battleships, Seaplane Tenders, Light Carriers and Akitsu Maru
LHA Akitsu Maru 161 Battle
equipped with seaplane bombers, HeliKa-type Autogyro
Ka Type Observation Autogyro 069 Card
or SubplaneLiaison Aircraft
Type 3 Command Liaison Aircraft (ASW) 070 Card
.

Note: Guns are completely useless against submarines, hence they should not be used if you are only facing submarines as enemies, like 1-5.

To find more information about ASW among other things, check out the Day Combat.

Night CombatEdit

Main article: Night Battle
Night Battle Intro

Entering Night Battle

Night cut in

An example of a cut-in

Recon2

Searchlight, Starshell and Night Recon

In the scenario that the enemy fleet has not been defeated yet during Day Combat, the player has the choice to pursue them in a Night battle (夜戦) to finish them off. During night battle, the following effects are applied:

  • The ammo usage on that node is increased by 50% if night battle is entered from day-battle. As most nodes on normal and event maps alike use 20% ammo, this will be increased to 30% for example.
  • During night, the firepower is Icon Gun and Icon Torpedo stats combined together. Consequently, DDs, CLs, CLTs and CAs have drastically increased strength at night.
  • Any vessel that is heavily damaged ((大破)) are not allowed to attack during the night battle.
  • Night battle damage cap is raised to 300.
  • Any attack against submarines in regular Night Battles are automatically nullified, so they are practically invincible. Avoid going into a night battle against a submarine, unless one of the following happens, which allows you to do damage against submarines as normal:
  • Formation damage modifiers and Engagement Form damage modifiers do not apply in Night Battle (i.e. they are always 100%).

Night Battle Special AttacksEdit

  • Certain combinations of weapon equipment will cause Cut-In or Double Attacks at night, greatly increasing accuracy and/or firepower.
  • If night combat nodes are anticipated, it can be very helpful to utilize specialized night battle equipment such as Star Shell
    Star Shell 101 Card
    s, Searchlight
    Searchlight 074 Card
    and Type 98 Recon Seaplane (Night Scout)
    Type 98 Reconnaissance Seaplane (Night Recon) 102 Card
    , as they provide bonuses during night-battle and also increases your Cut-In chances.

Note: Unlike Artillery Spotting attacks, the special attacks performed during the night are not post-cap, meaning that it will be affected by the damage cap.

For more information regarding night battle and the setups, check out Night Battle.


Victory ConditionsEdit

For victory conditions for Air Raid Battles (空襲戦), see Events/Mechanics.
For alternative formulation of victory conditions, see Partials/Victory Conditions.
Perfect S (完全勝利, Total Victory)
  • All enemy ships sunk and no damage taken.
S (勝利, Victory)
  • All enemy ships sunk and no allied ships sunk.
A (勝利, Victory)
  • Required number of enemy ships sunk (see below) and no allied ships sunk.
B (戦術的勝利, Tactical Victory)
  • Sinking the enemy flagship guarantees at least a B as long as no allied ships are sunk.
  • Enemy flagship sunk, friendly ship sunk and number of friendly ships sunk < number of enemy ships sunk.
  • Damage gauge at least 2.5 times higher enemy damage gauge.
  • This rate is the minimum requirement to clear maps without boss gauge.
C (戦術的敗北, Tactical Defeat)
  • Didn't clear any of the conditions for A or B, but enemy took over a certain amount of damage.
  • Damage gauge higher than enemy gauge, but not reaching 2.5 times as much.
  • Friendly ship sunk, damage gauge higher than enemy, but not 2.5 times as much.
  • Friendly ship sunk, enemy flagship sunk and number of friendly ships sunk lower than number of enemy ships sunk. It is possible to clear maps with boss gauges (eg. 4-4, 5-3, event maps) with a C if the enemy flagship is sunk.
D (敗北, Defeat)
  • Enemy took less than a certain amount of damage.
    • Both sides taking 0 damage is also D.
    • If your fleet consist only 1 ship and it is reaching Heavy Damage without meeting any winning requirements, it will instantly judged as D as well.
  • Damage gauge lower than enemy gauge.
  • Friendly ship sunk, not all enemy ships sunk, and gauge lower than enemy gauge.
E (敗北, Defeat)[1]
  • Over a certain number of friendly ships sunk. (see below)
  • Friendly ship sunk while not meeting any victory conditions.
  • No damage done to enemy, while taking over a certain amount (Never happens in a fleet of 1).

NotesEdit

  • The Minimum Sunk Requirement:
    • 4 ships out of a fleet of 6
    • 3 ships out of a fleet of 5
    • 2 ships out of a fleet of 4
    • 2 ships out of a fleet of 3
    • 1 ship out of a fleet of 2
  • Victory status affects the chance of getting drops and rare drops on the specified node.
    • B rank or above is necessary to obtain drops.
    • A rank or above is typically necessary for obtaining rare drops.
    • S rank has a higher chance of obtaining rare drops than A rank, and is required for some very rare drops.
      • Getting Perfect S does not give you an increased drop rate, compared to a regular S rank.

Additional Explanation/DetailsEdit