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Difference between revisions of "Combat/Anti-Installation"

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=Equipment Setups=
 
=Equipment Setups=
−
Below are recommended equipment setups for anti-installation. ''The equipment order is illustrative and does not matter much.''  
+
Below are recommended equipment setups for anti-installation purposes. ''The equipment order is illustrative and does not reasonably matter.''  
  
−
As a general rule if there is:
+
As a general rule:
−
*One Anti-Ground Artillery {{AntiGroundArtillery}} equiped use a WG42
+
*Regarding {{AntiGroundArtillery}}:
−
*Mutiple Anti-Ground Artillery {{AntiGroundArtillery}} equiped use Shipborne Model Type 4 20cm Anti-ground Rocket Launcher (or CD)
+
**If a ship's base firepower is low, it can be viable to use Anti-Ground Rockets to provide a large flat damage increase to supplement the ship's anti-installation damage.
−
"{{TextGlow|'''Nuke'''|black|text-colour=lime|glow-size=2px}} setups" describe any setups using at least 1 {{Equipment/Link|WG42 (Wurfgerät 42)|Shipborne Model Type 4 20cm Anti-ground Rocket Launcher|Type 4 20cm Anti-ground Rocket Launcher (Concentrated Deployment)|text=Anti-ground Rocket Launcher|link_category=Anti-Ground Artillery}} {{AntiGroundArtillery}}, 1  [[:Category:Landing Craft|Landing Craft]] {{LandingCraft}}, and 1 {{EquipmentLink|Special Type 2 Amphibious Tank|text=Tank}} {{Amphibious Tank}}.
+
**Depending on whether one or more Anti-Ground Artillery are to be equipped on a ship, it is recommended to use a WG42 for singular purposes, or Shipborne Model Type 4 20cm Anti-ground Rocket Launchers (or CD) if multiple are needed.
−
*Such setup has a powerful anti-installation power against all installations but is hampered by the daytime damage cap.  
+
*Regarding {{LandingCraft}} and {{Amphibious Tank}}:
−
*It can be further improved by using more of those types of equipment when applicable.
+
** These provide a high damage multiplier against Installations. Some specialized variants also provide an additional flat damage increase that are multiplicative with certain modifiers.
−
*Using a {{EquipmentLink|Special Type 2 Amphibious Tank|text=Tank}} {{Amphibious Tank}} or a Landing Craft with specific bonus instead of a ground rocket gives better damage, however it's advised to rather distribute these assets instead.
+
** As Landing Crafts and Amphibious Tanks have separate multipliers, it is recommended to use them in tandem to maximize the effect.
 +
{{TextGlow|'''Nuke Setup'''|black|text-colour=#A9F377|glow-size=2px}} describes any setups using anti-installation equipment from multiple categories to multiplicatively amplify damage dealt to Installations.
 +
*Such a setup has a strong anti-installation power against all installations but is hampered by the daytime damage cap.  
 +
*Nuke Setups are recommended to be used when dealing with Supply Depot Princess in particular, utilizing the high post-cap side of the bonuses to deal with her generally high HP pool.
 +
*The setup's damage can be further improved by using multiple copies of those types of equipment where applicable.
 +
** For example, equipping multiple {{EquipmentLink|Special Type 2 Amphibious Tank|text=Tank}} {{Amphibious Tank}} or a Landing Crafts with unique bonuses instead of anti-ground rockets provides better damage output for the ship, however it's advised to only do so if you have enough available for the other ships in your fleet that require them.
  
−
All the "surface" anti-installation setups can be further enhanced by using them in '''[[Special Attacks]]''', especially [[Nelson]]'s Touch.
+
All "surface" anti-installation setups can be further enhanced by using them in '''[[Special Attacks]]''', especially [[Nelson]]'s Touch.
  
 
{|class="wikitable"
 
{|class="wikitable"
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|-
 
|-
 
|{{RedGunHeavy}}{{RedGunHeavy}}{{Seaplane}}{{RedAmmo}}
 
|{{RedGunHeavy}}{{RedGunHeavy}}{{Seaplane}}{{RedAmmo}}
−
|The basic battleship setup. Because they can reach the damage cap easily, they do not benefit much from anti-installation equipment. The standard artillery spotting setup will allow them to be effective against all other targets including the installation.  
+
|The basic battleship setup. Because Battleships are not far away from the damage cap compared to other ship types, they do not benefit much from the high pre-cap multipliers that anti-installation equipment provide. The standard artillery spotting setup will allow them to utilize spotting attacks and AP Shell's post-cap bonuses against the installation, as well as be effective against all other targets in the enemy fleet.
 
|-
 
|-
 
|{{RedGunHeavy}}{{RedGunHeavy}}{{Seaplane}}{{GreenAmmo}}
 
|{{RedGunHeavy}}{{RedGunHeavy}}{{Seaplane}}{{GreenAmmo}}
−
|This is an option when facing soft-skinned installations. Taking an AA shell will limit the battleship's effectiveness against all other targets.
+
|This is an option when facing soft-skinned installations. Taking an AA shell will slightly improve their damage versus installations, but will also limit the battleship's effectiveness against all other targets by reducing their artillery spotting attack types.
 
|-
 
|-
 
|{{RedGunHeavy}}{{RedGunHeavy}}{{Seaplane}}{{GreenAmmo}}{{RedAmmo}}
 
|{{RedGunHeavy}}{{RedGunHeavy}}{{Seaplane}}{{GreenAmmo}}{{RedAmmo}}
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*The landing craft/amphibious tank will make their [[Special Attacks]] deal significantly more damage to installation enemies. Keeping the seaplane allows to still perform artillery spotting to maintain enough effectiveness against other targets.
 
*The landing craft/amphibious tank will make their [[Special Attacks]] deal significantly more damage to installation enemies. Keeping the seaplane allows to still perform artillery spotting to maintain enough effectiveness against other targets.
 
|-
 
|-
−
|{{RedGunHeavy}}{{Seaplane}}{{AntiGroundArtillery}}{{LandingCraft}}{{Amphibious Tank}}+{{YellowGun}}
+
|{{RedGunHeavy}}{{Seaplane}}{{AntiGroundArtillery}}{{LandingCraft}}{{Amphibious Tank}}+{{YellowGun}}<div style="text-align:center;">'''or'''</div>{{RedGunHeavy}}{{Seaplane}}{{RedAmmo}}{{LandingCraft}}{{Amphibious Tank}}+{{YellowGun}}
−
|"{{TextGlow|'''Nuke'''|black|text-colour=lime|glow-size=2px}} setups", [[Yamato Kai Ni Juu]] only.  
+
|{{TextGlow|'''Nuke Setup'''|black|text-colour=#A9F377|glow-size=2px}}, [[Yamato Kai Ni Juu]] only.  
 
*A proper nuke setup keeping the Double Attack and artillery spotting, that uses Yamato's ability to carry [[:Category:Secondary Gun|Secondary Guns]] in her [[Reinforcement Expansion|RE]], also taking advantage of her [[Special Attack]].
 
*A proper nuke setup keeping the Double Attack and artillery spotting, that uses Yamato's ability to carry [[:Category:Secondary Gun|Secondary Guns]] in her [[Reinforcement Expansion|RE]], also taking advantage of her [[Special Attack]].
 +
* An AP Shell may be used to replace the anti-ground rockets to improve performance against other targets, while improving the damage multiplier of Yamato's Special Attacks and Artillery Spotting types.
 
|-
 
|-
 
!colspan=2|[[CA]]/[[CAV]]
 
!colspan=2|[[CA]]/[[CAV]]
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|The standard anti-installation setup for heavy cruisers. It allows artillery spotting and deals decent damage against installations.
 
|The standard anti-installation setup for heavy cruisers. It allows artillery spotting and deals decent damage against installations.
 
|-
 
|-
−
|{{RedGunMedium}}{{RedGunMedium}}{{AntiGroundArtillery}}{{GreenAmmo}}
+
|{{RedGunMedium}}{{RedGunMedium}}{{AntiGroundArtillery}}{{GreenAmmo}}<div style="text-align:center;">'''or'''</div>{{RedGunMedium}}{{Seaplane}}{{AntiGroundArtillery}}{{GreenAmmo}}+{{GreenGunDP}}
−
|This is an alternative setup only for '''aviation cruisers'''. It removes the ability to artillery spot for much more powerful anti-installation damage at night.  
+
|
 +
*This is an alternative setup only for '''aviation cruisers'''. It removes the ability to artillery spot for much more powerful anti-installation damage at night.
 +
*For Mogami-class Cruisers with a Reinforcement Expansion, an option to equip 8cm High Angle Guns in the expansion slot in order to retain a weaker variant of artillery spotting is a viable option.
 
|-
 
|-
 
|{{AntiGroundArtillery}}{{AntiGroundArtillery}}{{LandingCraft}}{{Amphibious Tank}}<br>{{RedGunMedium}}{{RedGunMedium}}{{LandingCraft}}{{Amphibious Tank}}<br>{{RedGunMedium}}{{AntiGroundArtillery}}{{LandingCraft}}{{Amphibious Tank}}+{{GreenGunDP}}
 
|{{AntiGroundArtillery}}{{AntiGroundArtillery}}{{LandingCraft}}{{Amphibious Tank}}<br>{{RedGunMedium}}{{RedGunMedium}}{{LandingCraft}}{{Amphibious Tank}}<br>{{RedGunMedium}}{{AntiGroundArtillery}}{{LandingCraft}}{{Amphibious Tank}}+{{GreenGunDP}}
−
|"{{TextGlow|'''Nuke'''|black|text-colour=lime|glow-size=2px}} setups", [[Mogami Kai Ni Toku]] only.
+
|{{TextGlow|'''Nuke Setup'''|black|text-colour=#A9F377|glow-size=2px}}, [[Mogami Kai Ni Toku]] only.
 
*The last setup uses Mogami's ability to carry {{EquipmentLink|8cm High-angle Gun|8cm High-angle Gun Kai + Additional Machine Guns|text=8cm High-angle Guns}} in her [[Reinforcement Expansion|RE]], making this a true nuke setup while keeping the Double Attack.
 
*The last setup uses Mogami's ability to carry {{EquipmentLink|8cm High-angle Gun|8cm High-angle Gun Kai + Additional Machine Guns|text=8cm High-angle Guns}} in her [[Reinforcement Expansion|RE]], making this a true nuke setup while keeping the Double Attack.
 
|-
 
|-
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|-  
 
|-  
 
|{{AntiGroundArtillery}}{{LandingCraft}}{{Amphibious Tank}}
 
|{{AntiGroundArtillery}}{{LandingCraft}}{{Amphibious Tank}}
−
|"{{TextGlow|'''Nuke'''|black|text-colour=lime|glow-size=2px}} setup".
+
|{{TextGlow|'''Nuke Setup'''|black|text-colour=#A9F377|glow-size=2px}}  
 
|-
 
|-
 
|{{RedGunMedium}}{{RedGunMedium}}{{AntiGroundArtillery}}{{AntiGroundArtillery}}
 
|{{RedGunMedium}}{{RedGunMedium}}{{AntiGroundArtillery}}{{AntiGroundArtillery}}
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|-  
 
|-  
 
|{{AntiGroundArtillery}}{{LandingCraft}}{{Amphibious Tank}}
 
|{{AntiGroundArtillery}}{{LandingCraft}}{{Amphibious Tank}}
−
|"{{TextGlow|'''Nuke'''|black|text-colour=lime|glow-size=2px}} setup".
+
|{{TextGlow|'''Nuke Setup'''|black|text-colour=#A9F377|glow-size=2px}}
 
|-
 
|-
 
|{{AntiGroundArtillery}}{{AntiGroundArtillery}}{{LandingCraft}}<br>{{AntiGroundArtillery}}{{AntiGroundArtillery}}{{Amphibious Tank}}<br>{{AntiGroundArtillery}}{{LandingCraft}}{{LandingCraft}}
 
|{{AntiGroundArtillery}}{{AntiGroundArtillery}}{{LandingCraft}}<br>{{AntiGroundArtillery}}{{AntiGroundArtillery}}{{Amphibious Tank}}<br>{{AntiGroundArtillery}}{{LandingCraft}}{{LandingCraft}}
−
|"{{TextGlow|'''Mini-Nuke'''|black|text-colour=lime|glow-size=2px}} setup"
+
|{{TextGlow|'''Mini-Nuke Setup'''|black|text-colour=#A9F377|glow-size=2px}}
−
*Substitute nukes to use ONLY when lacking Landing Craft or Amphibious Tanks.
+
*Substitute nuke setups to use ONLY when lacking Landing Craft or Amphibious Tanks.
 
|-
 
|-
 
|{{RedGunLight}}{{RedGunLight}}{{LandingCraft}}<br>{{RedGunLight}}{{RedGunLight}}{{Amphibious Tank}}
 
|{{RedGunLight}}{{RedGunLight}}{{LandingCraft}}<br>{{RedGunLight}}{{RedGunLight}}{{Amphibious Tank}}
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|-  
 
|-  
 
|{{AntiGroundArtillery}}{{LandingCraft}}{{Amphibious Tank}}
 
|{{AntiGroundArtillery}}{{LandingCraft}}{{Amphibious Tank}}
−
|"{{TextGlow|'''Nuke'''|black|text-colour=lime|glow-size=2px}} setup".
+
|{{TextGlow|'''Nuke Setup'''|black|text-colour=#A9F377|glow-size=2px}}
 
*4-slot AVs can also either take a 2nd anti-ground rocket, a midget sub, or a seaplane fighter in their last slot.
 
*4-slot AVs can also either take a 2nd anti-ground rocket, a midget sub, or a seaplane fighter in their last slot.
 
|-
 
|-
 
!colspan=2|[[LHA]]
 
!colspan=2|[[LHA]]
 
|-  
 
|-  
−
|{{AntiGroundArtillery}}{{AntiGroundArtillery}}{{LandingCraft}}{{Amphibious Tank}}
+
|{{AntiGroundArtillery}}{{AntiGroundArtillery}}{{LandingCraft}}{{Amphibious Tank}}<br/>{{AntiGroundArtillery}}{{LandingCraft}}{{LandingCraft}}{{Amphibious Tank}}
−
|"{{TextGlow|'''Nuke'''|black|text-colour=lime|glow-size=2px}} setup".
+
|{{TextGlow|'''Nuke Setup'''|black|text-colour=#A9F377|glow-size=2px}}
−
*LHA can carry the strongest 4 slots nukes.
+
*LHAs can carry some of the strongest 4 slots nuke configurations.
 
|-  
 
|-  
 
|{{AntiGroundArtillery}}{{AntiGroundArtillery}}{{LandingCraft}}{{Amphibious Tank}}+{{LandingCraft}}
 
|{{AntiGroundArtillery}}{{AntiGroundArtillery}}{{LandingCraft}}{{Amphibious Tank}}+{{LandingCraft}}
−
|"{{TextGlow|'''Mega-Nuke'''|black|text-colour=lime|glow-size=2px}} setup", [[Shinshuu Maru Kai]] only.
+
|{{TextGlow|'''Mega-Nuke Setup'''|black|text-colour=#A9F377|glow-size=2px}}, [[Shinshuu Maru Kai]] only.
−
*Use Shinshuu Maru's unique ability to carry a {{Equipment/Link|Soukoutei (Armored Boat Class)}} in her [[Reinforcement Expansion|RE]] to further improve the LHA setup.
+
*Uses Shinshuu Maru's unique ability to carry a {{Equipment/Link|Soukoutei (Armored Boat Class)}} in her [[Reinforcement Expansion|RE]] to further improve the LHA setup.
 
*The other Landing Craft should be the {{Equipment/Link|Armed Daihatsu}} for optimum effectiveness.
 
*The other Landing Craft should be the {{Equipment/Link|Armed Daihatsu}} for optimum effectiveness.
 
|}
 
|}

Revision as of 16:49, 17 August 2022

Installations are an enemy-type representing "land-based installations", and are characterized by high armor and high HP. They are difficult to handle using normal anti-ship setups and require specific setups in order to be destroyed. Installations are typically found as bosses or as boss escorts.

General Characteristics

  • Installations cannot perform or benefit from flagship protection.
  • They have different damage statuses instead of the normal ones used for ships.
    • These statuses are merely cosmetic in nature and have no gameplay difference.
Ship Damage Label Installation Damage Label
Lightly Damaged
(小破) 		Confused
(混乱)
Moderately Damaged
(中破) 		Damaged
(損害)
Heavily Damaged
(大破) 		Broken
(損壊)
Sunk
(撃沈) 		Destroyed
(破壊)

Installation Classification

Installations are classified by two categories: Ship Type (BB, BBV, CV) and Toughness (Soft Skin or Hard Skin).

Ship Type

Type Characteristics
Battleship (BB) Examples are Artillery ImpsArtillery Imp and Central PrincessCentral Princess.
  • Uses the surface shelling formula for calculating damage.
  • Uses the shelling attack animation in day and night battle.
  • Can continue attacking when moderately damaged.
Aviation Battleship (BBV) Most installations fall under this category.
  • Uses the carrier attack formula for calculating damage.
  • Uses the shelling attack animation in day and night battle.
  • Cannot attack during the day if moderately damaged or if there are no planes left.
  • Forced to attack submarines if they have equipment with Anti-Submarine WarfareAnti-Submarine stat.
Carrier (CV) Example is Lycoris PrincessLycoris Princess.
  • Uses the carrier attack formula for calculating damage.
  • Uses the carrier attack animation in day battle and the shelling animation at night.
  • Cannot attack during the day if moderately damaged or if there are no planes left.
  • Do not enable the 2nd shelling phase if there is no battleship present.

Skin Toughness

Type Characteristics
Soft Skin Examples are Supply Depot PrincessSupply Depot Princess, Harbour PrincessHarbour Princess and Northern PrincessNorthern Princess.
  • Takes a lot of damage from Anti-Aircraft ShellAA ShellsType 3 Shell
    Type 3 Shell Kai     and less from other Anti-Installation equipment.
    • This weakness allows battleships and heavy cruisers to easily deal with these installation types.
    • Still takes a decent amount of damage from other anti-installation equipment.
  • Supply Depot PrincessSupply Depot Princess has extra Post-Cap modifiers.
Hard Skin Examples are Isolated Island DemonIsolated Island Demon, Artillery ImpArtillery Imp, and Harbour Summer PrincessHarbour Summer Princess.
  • Please note that event only installation might not be in one of these categories.

Attack Behavior

The targeting of installation follow some special rules.

Suport Expedition

  • Shelling Support expedition can attack Instllation.
  • It's unknown if torpedo support and ASW support will target installaion or not.

Air strike

  • Normal dive bombers can not attack installations during the air strike phase.
  • Only Anti-installation Dive Bombers can target installation.
  • It's unknown if ASW plane will prioritize Submarine or installation.
Dive Bomber Dive-Bombers that can attack installations

Carriers will only attack installations in the shelling phase if equipped with Torpedo Bombers or Anti-Installation Dive Bombers.

  • Additionally, carriers will attack installations if equipped with non-special dive bombers AND one of the special dive bombers below.
  • Any other dive bomber will completely disable shelling against installations even if the carrier has a torpedo bomber equipped.
  • This can be very useful to manipulate the targeting mechanic so the carriers attack important targets.
Equipment Card Ju 87C Kai.png
Ju 87C Kai
Equipment Card Prototype Nanzan.png
Prototype Nanzan
Equipment Card F4U-1D.png
F4U-1D
Equipment Card FM-2.png
FM-2
Equipment Card Ju 87C Kai 2 (w KMX).png
Ju 87C Kai Ni (w/ KMX)
Equipment Card Ju 87C Kai 2 (w KMX Skilled).png
Ju 87C Kai Ni (w/ KMX/Skilled)

Equipment Card Suisei Model 12 (634 Air Group w Type 3 Cluster Bombs).png
Suisei Model 12 (634 Air Group w/ Type 3 Cluster Bombs)
AAR
Equipment Card Suisei Model 12 (w Type 31 Photoelectric Fuze Bombs).png
Suisei Model 12 (w/ Type 31 Photoelectric Fuze Bombs)
AAR
Equipment Card Type 99 Dive Bomber Model 22.png
Type 99 Dive Bomber Model 22
Equipment Card Type 99 Dive Bomber Model 22 (Skilled).png
Type 99 Dive Bomber Model 22 (Skilled)
Equipment Card SB2C-3.png
SB2C-3
Equipment Card SB2C-5.png
SB2C-5
Equipment Card F4U-4.png
F4U-4
AAR

Shelling

  • Submarines can attack installations during shelling if equipped with a Special Type 2 Amphibious TankSpecial Type 2 Amphibious Tank.
    • They will only target instllations during the shelling phases.
    • They will be able to attack installations at night regardless of equipment.
    • Their low firepower makes them poor anti-installation ships.
  • Carriers are unable to perform CVCI on installations, even if equipped with anti-installation dive bombers.
  • Ise and Hyuuga can perform the suisei-CI against installation with any Dive Bomber.
  • Special Attacks behave like normal against installation.

Torpedo

  • Both opening and closing torpedoes can not target installations.
    • Opening and closing torpedoes will fail to trigger if only installation targets remain.

Night Battle

  • The torpedo stat is ignored when calculating night battle damage against installations. Please see Night Battle for more details.
    • This makes destroyers, light cruisers, and heavy cruisers much weaker unless equipped with anti-installation equipment.
  • When targeting installation the Cut-in choice will ignore any equiped torpedo.
    • Except Special DD Cut-in that include a main gun (torpedo stat is still considered equal to 0).
  • Night shelling Carrier Attacks will deal damage like they would to ships.
    • This include Ark Royal's night swordfish attack.
  • Air night attacks ignore all anti-installation bonus
    • The attack can target installations even if no anti-anstallation dive bombers is equiped

Damage Calculation

  • During day, damage is capped at 220 so any ship with a proper anti-installation setup will be able to hit the cap.
    • When facing hard-skinned installations, it is better for battleships to have AP shells instead of Type 3 because they will hit the day cap anyway.
  • Anti-installation is very important during night battle when the cap is raised to 360.
  • Torpedo stat is always counted as 0 when attacking installations. This applies to both airstrikes and night battles.
    • However improvements that provide damage during Night Battle is taken into account during such.
  • Supply Depot Princess is the only known installation that takes post-cap damage from anti-installation equipment.
    • This makes her vulnerable to getting one shot by nuke setups. See below for details.
  • While dive bombers have a post-cap bonus during the air-strike, the low base damage means it is of limited effectiveness against high armor installations.
  • The Armor Piercing modifier (post-cap) is effective against installation.

Calculation

Installations generally have a lot of HP and/or armor. But multiple different cumulative bonuses exist against them, allowing for massive damage when using the right set-ups. These bonuses are divided into 5 groups and are calculated in the following order[1]:

  1. Ship type bonuses
  2. General multiplicative bonuses
  3. Specific equipment bonuses:
    1. 11th regiment bonuses
    2. M4A1 bonuses
    3. Ho-Ni bonuses
    4. Landing craft synergy bonuses
  4. General Flat bonuses
  5. Post-cap bonuses against Supply Depot PrincessSupply Depot Princess
  • The order of bonuses is still being researched so it might change in the future

Pre-cap Shelling:

  • [math]\displaystyle{ \text{Atk}_\text{pre-cap} = \Big( \big[ \big( [ ( \text{Atk}_\text{base} {\color{tomato} \times \text{A0}} {\color{DeepSkyBlue} + \text{B0}} ) {\color{tomato} \times \text{A1}} {\color{DeepSkyBlue}} ] {\color{tomato} \times \text{A21}} {\color{DeepSkyBlue} + \text{B21}} \big) {\color{tomato} \times \text{A22}} {\color{DeepSkyBlue} + \text{B22}} \big] {\color{tomato} \times \text{A23}} {\color{DeepSkyBlue} + \text{B23}} \Big) {\color{tomato} \times \text{A24}} {\color{DeepSkyBlue} + \text{B24} + \text{B1}} }[/math]

Pre-cap Carrier Shelling:

  • [math]\displaystyle{ \text{Atk}_\text{pre-cap} = \Big[ \Big( \big[ \big( [ \text{Atk}_\text{base} {\color{tomato} \times \text{A1}} ] {\color{tomato} \times \text{A21}} {\color{DeepSkyBlue} + \text{B21}} \big) {\color{tomato} \times \text{A22}} {\color{DeepSkyBlue} + \text{B22}} \big] {\color{tomato} \times \text{A23}} {\color{DeepSkyBlue} + \text{B23}} \Big) {\color{tomato} \times \text{A24}} {\color{DeepSkyBlue} + \text{B24} + \text{B1}} +(\text{DB} \times 1.3) + 15 \Big] \times 1.5 +25 }[/math]

Cap

  • [math]\displaystyle{ \text{Atk}_\text{cap} = \text{Cap} \times \sqrt{\text{Atk}_\text{pre-cap} - \text{Cap}} }[/math]

Post-cap:

  • [math]\displaystyle{ \text{Atk}_\text{post-cap} = \text{Atk}_\text{cap} {\color{tomato} \times \text{C}} }[/math]

With:

  • [math]\displaystyle{ \text{Atk}_\text{base} }[/math] the base attack deffined here,
  • A & C the Multiplicative bonuses,
  • B the Flat bonuses,
  • A & B being pre-cap bonuses,
  • C being post-cap bonuses.
  • [math]\displaystyle{ \text{DB} }[/math] being the Dive Bomber Attack bombing stat of Anti-installation Dive Bomber only
  • [math]\displaystyle{ \text{Cap} }[/math] is:
    • 220 during day,
    • 360 during night.
  1. ↑ https://docs.google.com/document/d/1mXGyJ3yeNWeOmuGZQrXkcuGSuSEQYqmKhPelHMkzkGI/edit

Bonuses

Ship type bonuses

Ship type Target Bonuses
A0 DD/CL Artillery Imp x1.4
B0 SS/SSV Any installation +30

General multiplicative bonuses

These bonuses depend on the enemy targeted, as well as the equipment used.

A1
Installation Type Soft-Skinned Enemy Banner Isolated Island Princess.png Enemy Banner Artillery Imp.png Enemy Banner Harbour Summer Princess.png
Number Equipped Single Multiple Single Multiple Single Multiple Single Multiple
Anti-Aircraft Shell AA ShellsType 3 Shell
Type 3 Shell Kai 		2.5 1.75/1.7? 1.75
Armor-Piercing Shell AP ShellsType 91 Armor Piercing Shell
Type 1 Armor Piercing Shell
Type 1 Armor Piercing Shell Kai 		1.85 1.3
Anti-Ground Rocket WG42 (Wurfgerät 42)WG42 (Wurfgerät 42) 1.3 1.82 1.4 2.1 1.6 2.72 1.4 1.68
Anti-Ground Rocket LauncherShipborne Model Type 4 20cm Anti-ground Rocket Launcher
Type 4 20cm Anti-ground Rocket Launcher (Concentrated Deployment) 		1.25 1.875 1.3/1.5? 2.145 1.5 2.7 1.25 1.75
Depth Charges ASW MortarsType 2 12cm Mortar Kai
Type 2 12cm Mortar Kai (Concentrated Deployment) 		1.2 1.56 1.2 1.68 1.3 1.95 1.1 1.265
Landing Craft Landing Craft Type Multiplier 1.4 1.8 1.8 1.7
Improvement material Landing Craft Improvement Multiplier 1 + (Average Improved /50)
(Max-Improved 1.2x)
Landing Craft Toku Daihatsu Landing CraftToku Daihatsu Landing Craft 1.15 1.15 1.15 1.2
DLC + T89 tankDaihatsu Landing Craft (Type 89 Medium Tank & Landing Force)
Toku DLC + Ho-Ni tankToku Daihatsu Landing Craft + Type 1 Gun Tank 		1.5 1.95 1.2 1.68 1.5 2.1 1.6 2.4
DLC + PanzerDaihatsu Landing Craft (Panzer II/North African Specification) 1.5 1.2 1.5 1.6
Toku DLC + 11th RegToku Daihatsu Landing Craft + 11th Tank Regiment
M4A1 DDM4A1 DD 1.1 1.8 2.0 2.0
Armed DaihatsuArmed Daihatsu
SoukouteiSoukoutei (Armored Boat Class)

☀ Day Only

1.1 1.21 1.3 1.43 1.3 1.56 ?
Amphibious Vehicle Ka-Mi tankSpecial Type 2 Amphibious Tank 1.5 1.8 2.4 3.24 2.4 3.24 2.8 4.2
Improvement material Amphibious Tank Improvement Multiplier 1 + (Average Improved /30)
(Max-Improved 1.33x)
Dive Bomber Anti-Installation Dive Bombers 1.4 2.45 1.5 3.0 1.3
SeaplaneSeaplane Fighter Seaplane Bombers/Fighters 1.2 1.5 1.3

Notes

  • The Improvement Bonus takes the average for all Landing Crafts equipped on the ship.
  • The Improvement Bonus takes the average for all Amphibious Tanks equipped on the ship.
  • The developers have mentioned that Ration RationsCombat Ration
    Combat Ration (Special Onigiri)
    Canned Saury     consumed by a girl "affect landing crafts' morale"[1].
  1. ↑ https://twitter.com/KanColle_STAFF/status/715840109103484928

Specific equipment bonuses

The following multipliers are pre-cap.

Equipment Multiplicative bonus Flat Bonus
Toku DLC Tank Bonus A21 B21
Landing CraftToku DLC + 11th RegToku Daihatsu Landing Craft + 11th Tank Regiment

Landing CraftToku DLC + Ho-Ni tankToku Daihatsu Landing Craft + Type 1 Gun Tank

1.8 25
Sherman Bonus A22 B22
Landing CraftM4A1 DDM4A1 DD 1.4 35
Ho-Ni Tank Regiment Bonus A23 B23
Landing CraftToku DLC + Ho-Ni tankToku Daihatsu Landing Craft + Type 1 Gun Tank 1.3 42
DLC Synergy Bonus A24 B24
Landing CraftArmed DaihatsuArmed Daihatsu
SoukouteiSoukoutei (Armored Boat Class) 		Group 1[1] Group 2[2] Multiplicative bonus Flat Bonus
Only one 1 of Any 1.2 10
Both 1 0 1.32 12
0 1 1.44 13
2 of any 1.56 15
  1. ↑ Daihatsu Landing CraftDaihatsu Landing Craft, Toku Daihatsu Landing CraftToku Daihatsu Landing Craft, DLC + T89 tankDaihatsu Landing Craft (Type 89 Medium Tank & Landing Force), Toku DLC + Ho-Ni tankToku Daihatsu Landing Craft + Type 1 Gun Tank, DLC + PanzerDaihatsu Landing Craft (Panzer II/North African Specification)
  2. ↑ Ka-Mi tankSpecial Type 2 Amphibious Tank, Toku DLC + 11th RegToku Daihatsu Landing Craft + 11th Tank Regiment

Flat Damage Bonuses

B1
Amount Equipped 1 2 3 4
Anti-Ground Rocket WG42WG42 (Wurfgerät 42) 75 110 140 160
Anti-Ground Rocket LauncherShipborne Model Type 4 20cm Anti-ground Rocket Launcher 55 115 160 190
Anti-Ground Rocket Launcher CDType 4 20cm Anti-ground Rocket Launcher (Concentrated Deployment) 80 170 230 260
Depth Charges ASW MortarType 2 12cm Mortar Kai 30 55 75 90
ASW Mortar CDType 2 12cm Mortar Kai (Concentrated Deployment) 60 110 150 180

Post-Cap Bonus

Supply Depot PrincessSupply Depot Princess is currently the only installation to have a post-cap bonus for shelling. These bonuses are applied after the soft damage cap.
Note: Supply Depot Princess is treated as a soft-skinned installation for purposes of Pre-Cap Bonuses.

C
Installation Type Enemy Banner Supply Depot Princess.png
Number Equipped Single Multiple
Anti-Ground Rocket WG42WG42 (Wurfgerät 42) 1.25 1.625
Anti-Ground Rocket LauncherShipborne Model Type 4 20cm Anti-ground Rocket Launcher
Type 4 20cm Anti-ground Rocket Launcher (Concentrated Deployment) 		1.2 1.68
Depth Charges ASW MortarsType 2 12cm Mortar Kai
Type 2 12cm Mortar Kai (Concentrated Deployment) 		1.15 1.38
Landing Craft Landing Craft Type Multiplier 1.7
Improvement material Landing Craft Improvement Multiplier [1 + (Average Improved /50)] N Any Landing Craft: 1
Landing Craft + Ho-NiToku Daihatsu Landing Craft + Type 1 Gun Tank: 2
DLC (Panzer II/NA)Daihatsu Landing Craft (Panzer II/North African Specification): 3
Landing Craft Toku Daihatsu Landing CraftToku Daihatsu Landing Craft 1.2
DLC + T89 tankDaihatsu Landing Craft (Type 89 Medium Tank & Landing Force)
Toku DLC + Ho-Ni tankToku Daihatsu Landing Craft + Type 1 Gun Tank 		1.3 2.08
DLC + PanzerDaihatsu Landing Craft (Panzer II/North African Specification) 1.3
Toku DLC + 11th RegToku Daihatsu Landing Craft + 11th Tank Regiment
M4A1 DDM4A1 DD 1.2
Armed DaihatsuArmed Daihatsu
SoukouteiSoukoutei (Armored Boat Class) 		1.5 1.65
Amphibious Vehicle Ka-Mi tankSpecial Type 2 Amphibious Tank 1.7 2.55
Improvement material Amphibious Tank Improvement Multiplier 1 + (Average Improved /30)
(Max-Improved 1.33x)

Landing Craft Improvement Modifier

  • The Ho-Ni and Panzer have the special property of reapplying the Landing Craft Improvement Multiplier again during damage calculations; twice for the Ho-Ni, and three times for the Panzer.
  • As neither equipment are currently improvable, they lower the average improvement multiplier, but compensate through this unique property.
  • Assuming two landing crafts are equipped, one being the Ho-Ni/Panzer, and the other being fully improved (★MAX):
    • The improvement bonus when the Ho-Ni is equipped is 1.21x
    • The improvement bonus when the Panzer is equipped is 1.331x

Land Base Bonus

For the damage formula, please refer to the LBAS page. The bonuses work for all bombers on the land base (except maybe jets).

Installation Targeted Enemy Banner Isolated Island Princess.png Enemy Banner Artillery Imp.png Enemy Banner Supply Depot Princess.png
Pre-cap Multiplicative [math]\displaystyle{ {\color{tomato}\text{Mod}_\text{AIpre}} }[/math] -
1.18 1.6 -
Post-cap [math]\displaystyle{ {\color{tomato}\text{Mod}_\text{AIpost3}} }[/math] [math]\displaystyle{ {\color{tomato}\text{Mod}_\text{AIpost1}} }[/math]
1.7 1.55 2.1
Flat - [math]\displaystyle{ {\color{DeepSkyBlue}\text{Mod}_\text{AIpost2}} }[/math]
- - 100

Air Strike

We are currently lacking information on how modifiers affect opening air-strikes.

Equipment Setups

Below are recommended equipment setups for anti-installation purposes. The equipment order is illustrative and does not reasonably matter.

As a general rule:

  • Regarding Anti-Ground Rocket:
    • If a ship's base firepower is low, it can be viable to use Anti-Ground Rockets to provide a large flat damage increase to supplement the ship's anti-installation damage.
    • Depending on whether one or more Anti-Ground Artillery are to be equipped on a ship, it is recommended to use a WG42 for singular purposes, or Shipborne Model Type 4 20cm Anti-ground Rocket Launchers (or CD) if multiple are needed.
  • Regarding Landing Craft and Amphibious Vehicle:
    • These provide a high damage multiplier against Installations. Some specialized variants also provide an additional flat damage increase that are multiplicative with certain modifiers.
    • As Landing Crafts and Amphibious Tanks have separate multipliers, it is recommended to use them in tandem to maximize the effect.

Nuke Setup describes any setups using anti-installation equipment from multiple categories to multiplicatively amplify damage dealt to Installations.

  • Such a setup has a strong anti-installation power against all installations but is hampered by the daytime damage cap.
  • Nuke Setups are recommended to be used when dealing with Supply Depot Princess in particular, utilizing the high post-cap side of the bonuses to deal with her generally high HP pool.
  • The setup's damage can be further improved by using multiple copies of those types of equipment where applicable.
    • For example, equipping multiple TankSpecial Type 2 Amphibious Tank Amphibious Vehicle or a Landing Crafts with unique bonuses instead of anti-ground rockets provides better damage output for the ship, however it's advised to only do so if you have enough available for the other ships in your fleet that require them.

All "surface" anti-installation setups can be further enhanced by using them in Special Attacks, especially Nelson's Touch.

Equipment Setup Notes
BB/FBB/BBV
Large Caliber Main GunLarge Caliber Main GunSeaplaneArmor-Piercing Shell The basic battleship setup. Because Battleships are not far away from the damage cap compared to other ship types, they do not benefit much from the high pre-cap multipliers that anti-installation equipment provide. The standard artillery spotting setup will allow them to utilize spotting attacks and AP Shell's post-cap bonuses against the installation, as well as be effective against all other targets in the enemy fleet.
Large Caliber Main GunLarge Caliber Main GunSeaplaneAnti-Aircraft Shell This is an option when facing soft-skinned installations. Taking an AA shell will slightly improve their damage versus installations, but will also limit the battleship's effectiveness against all other targets by reducing their artillery spotting attack types.
Large Caliber Main GunLarge Caliber Main GunSeaplaneAnti-Aircraft ShellArmor-Piercing Shell Yamato-class Kai Ni & Ise-class Kai Ni only.
  • "Best of both worlds" for 5-slot battleships.
Large Caliber Main GunLarge Caliber Main GunSeaplaneLanding Craft
Large Caliber Main GunLarge Caliber Main GunSeaplaneAmphibious Vehicle 		Nagato-class Kai Ni & Yamato Kai Ni Juu only.
  • The landing craft/amphibious tank will make their Special Attacks deal significantly more damage to installation enemies. Keeping the seaplane allows to still perform artillery spotting to maintain enough effectiveness against other targets.
Large Caliber Main GunSeaplaneAnti-Ground RocketLanding CraftAmphibious Vehicle+Secondary Gun
or
Large Caliber Main GunSeaplaneArmor-Piercing ShellLanding CraftAmphibious Vehicle+Secondary Gun 		Nuke Setup , Yamato Kai Ni Juu only.
  • A proper nuke setup keeping the Double Attack and artillery spotting, that uses Yamato's ability to carry Secondary Guns in her RE, also taking advantage of her Special Attack.
  • An AP Shell may be used to replace the anti-ground rockets to improve performance against other targets, while improving the damage multiplier of Yamato's Special Attacks and Artillery Spotting types.
CA/CAV
Medium Caliber Main GunMedium Caliber Main GunSeaplaneAnti-Aircraft Shell The standard anti-installation setup for heavy cruisers. It allows artillery spotting and deals decent damage against installations.
Medium Caliber Main GunMedium Caliber Main GunAnti-Ground RocketAnti-Aircraft Shell
or
Medium Caliber Main GunSeaplaneAnti-Ground RocketAnti-Aircraft Shell+High-Angle Gun
  • This is an alternative setup only for aviation cruisers. It removes the ability to artillery spot for much more powerful anti-installation damage at night.
  • For Mogami-class Cruisers with a Reinforcement Expansion, an option to equip 8cm High Angle Guns in the expansion slot in order to retain a weaker variant of artillery spotting is a viable option.
Anti-Ground RocketAnti-Ground RocketLanding CraftAmphibious Vehicle
Medium Caliber Main GunMedium Caliber Main GunLanding CraftAmphibious Vehicle
Medium Caliber Main GunAnti-Ground RocketLanding CraftAmphibious Vehicle+High-Angle Gun 		Nuke Setup , Mogami Kai Ni Toku only.
  • The last setup uses Mogami's ability to carry 8cm High-angle Guns8cm High-angle Gun
    8cm High-angle Gun Kai + Additional Machine Guns     in her RE, making this a true nuke setup while keeping the Double Attack.
CL
Anti-Ground RocketLanding CraftAmphibious Vehicle Nuke Setup
Medium Caliber Main GunMedium Caliber Main GunAnti-Ground RocketAnti-Ground Rocket A setup for 4-slot light cruisers. This preserves their ability to double attack at night while giving them significant anti-installation power.
DD
Anti-Ground RocketLanding CraftAmphibious Vehicle Nuke Setup
Anti-Ground RocketAnti-Ground RocketLanding Craft
Anti-Ground RocketAnti-Ground RocketAmphibious Vehicle
Anti-Ground RocketLanding CraftLanding Craft 		Mini-Nuke Setup
  • Substitute nuke setups to use ONLY when lacking Landing Craft or Amphibious Tanks.
Small Caliber Main GunSmall Caliber Main GunLanding Craft
Small Caliber Main GunSmall Caliber Main GunAmphibious Vehicle 		Setups that keep the Double Attack while maintaining decent anti-installation power, allowing reasonable effectiveness against installation and other targets at night.
Small Caliber Main GunSmall Caliber Main GunAnti-Ground RocketAnti-Ground Rocket Tashkent only.
  • Functions much like the light cruiser setup with a powerful night battle double attack.
CV/CVB/CVL
Dive BomberTorpedo BomberFighter This is only to be used when having anti-installation dive bombers. It will allow the carrier to still perform CVCI against other targets.
Torpedo BomberTorpedo BomberFighter The numbers of torpedo bombers and fighters in this setup can be varied depending on the amount of fighter power required. This is the standard carrier anti-installation setup. While it does sacrifice CVCI, the carrier shelling formula, and proficiency bonuses, it still ensures that carriers will do significant damage to installations and other targets.
Dive BomberTorpedo BomberLanding CraftLanding Craft Gambier Bay Mk.II & Unyou Kai/Ni only.
  • The closest setup to a proper "CV nuke".
AV
Anti-Ground RocketLanding CraftAmphibious Vehicle Nuke Setup
  • 4-slot AVs can also either take a 2nd anti-ground rocket, a midget sub, or a seaplane fighter in their last slot.
LHA
Anti-Ground RocketAnti-Ground RocketLanding CraftAmphibious Vehicle
Anti-Ground RocketLanding CraftLanding CraftAmphibious Vehicle 		Nuke Setup
  • LHAs can carry some of the strongest 4 slots nuke configurations.
Anti-Ground RocketAnti-Ground RocketLanding CraftAmphibious Vehicle+Landing Craft Mega-Nuke Setup , Shinshuu Maru Kai only.

Additional Information

Landing Craft/Amphibious Tank Capable Ships

Ships that can equip Landing Craft / Amphibious Vehicles
Type Landing Craft Landing Craft Both Landing Craft & Amphibious Vehicle Amphibious Vehicle Amphibious Vehicle
DD Ship Banner Mutsuki Kai Ni.png Ship Banner Kisaragi Kai Ni.png Ship Banner Mikazuki Kai.png Ship Banner Miyuki Kai Ni.png Ship Banner Hatsushimo Kai Ni.png Ship Banner Ariake Kai.png Ship Banner Yuugure Kai.png Ship Banner Kawakaze Kai Ni.png Ship Banner Murasame Kai Ni.png Ship Banner Harusame Kai Ni.png Ship Banner Hayashio Kai.png Ship Banner Amatsukaze Kai Ni.png Ship Banner Tanikaze D Kai.png Ship Banner Makigumo Kai Ni.png Ship Banner Hayashimo Kai Ni.png Ship Banner Tamanami Kai.png Ship Banner Ume Kai.png Ship Banner Satsuki Kai Ni.png Ship Banner Fumizuki Kai Ni.png Ship Banner Isonami Kai Ni.png Ship Banner Uranami Kai Ni.png Ship Banner Amagiri Kai Ni D.pngKai Ni D Ship Banner Verniy.png Ship Banner Umikaze Kai Ni.png Ship Banner Yamakaze Kai Ni D.pngKai Ni D Ship Banner Michishio Kai Ni.png Ship Banner Arashio Kai Ni.png Ship Banner Asashio Kai Ni D.pngKai Ni D Ship Banner Ooshio Kai Ni.png Ship Banner Arare Kai Ni.png Ship Banner Kasumi Kai Ni.png Ship Banner Hayashio Kai Ni.png Ship Banner Kiyoshimo Kai Ni D.pngKai Ni D Ship Banner Shiratsuyu Kai Ni.png Ship Banner Shigure Kai San.png Ship Banner Yamakaze Kai Ni.pngKai Ni Ship Banner Kuroshio Kai Ni.png Ship Banner Oyashio Kai Ni.png Ship Banner Yukikaze Kai Ni.png Ship Banner Urakaze D Kai.png Ship Banner Kazagumo Kai Ni.png Ship Banner Okinami Kai Ni.png Ship Banner Asashimo Kai Ni.png
CL Ship Banner Gotland Andra.png Ship Banner Tatsuta Kai Ni.png Ship Banner Kuma Kai Ni D.pngKai Ni D Ship Banner Tama Kai Ni.png Ship Banner Yura Kai Ni.png Ship Banner Kinu Kai Ni.png Ship Banner Abukuma Kai Ni.png Ship Banner Yuubari Kai Ni Toku.pngKai Ni Toku Ship Banner Noshiro Kai Ni.png Ship Banner Yahagi Kai Ni.png
CAV Ship Banner Mogami Kai Ni Toku.pngKai Ni Toku
(F)BB(V) Ship Banner Nagato Kai Ni.png Ship Banner Yamato Kai Ni Juu.pngKai Ni Juu Ship Banner Mutsu Kai Ni.png Ship Banner Haruna Kai Ni C.pngKai Ni C Ship Banner Kirishima Kai Ni C.png
CVL Ship Banner Unyou Kai.png Ship Banner Gambier Bay Mk.II.png Ship Banner Houshou Kai Ni Sen.pngKai Ni Sen
AV Ship Banner Nisshin.png Ship Banner Kamoi Kai.png Ship Banner Chitose.png Ship Banner Chiyoda.png Ship Banner Mizuho.png Ship Banner Akitsushima Kai.png Ship Banner Commandant Teste Kai.png Ship Banner Nisshin Kai.png Ship Banner Mikuma Kai Ni Toku.pngKai Ni Toku
AO Ship Banner Souya (AGS).png Ship Banner Kamoi Kai Bo.png Ship Banner Hayasui Kai.png
LHA Ship Banner Kumano Maru.png Ship Banner Shinshuu Maru.png Ship Banner Akitsu Maru.png Ship Banner Kumano Maru Kai.png Ship Banner No.101 Transport Ship.png
SS(V) All
RE

Equipment Card Soukoutei (Armored Boat Class).png Soukoutei (Armored Boat Class)Soukoutei (Armored Boat Class): Shinshuu MaruShinshuu Maru
Shinshuu Maru Kai

Equipment Card Special Type 4 Amphibious Tank.pngEquipment Card Special Type 4 Amphibious Tank Kai.png Ka-Tsu tanksSpecial Type 4 Amphibious Tank
Special Type 4 Amphibious Tank Kai: I-36I-36
I-36 Kai · I-41I-41
I-41 Kai · I-47 KaiI-47 Kai · I-58 KaiI-58 Kai

[edit]

See Also

v · e
Game Mechanics
Ship Mechanics • Equipment Mechanics
General Combat
Combat Calcultaions
Remodels/Upgrades
Others
Other
Defunct Mechanics
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