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35.6cm Twin Gun Mount Kai

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No.328 35.6cm連装砲改
RedGunHeavy.png Large Caliber Main Gun (??)
Effects: Firepower+16 AA+4 Armor+2 Accuracy+3 Evasion+2 RangeLong
Scrap value: Ammo 11 Steel 16 Bauxite 1 (Unbuildable)

Equipment Card 35.6cm Twin Gun Mount Kai.png

Equipment Character 35.6cm Twin Gun Mount Kai.png

Equipment Item 35.6cm Twin Gun Mount Kai.png

Equipment Full 35.6cm Twin Gun Mount Kai.png

Refittable Class
Coastal Defense Ship Destroyer
Light Cruiser Torpedo Cruiser
Heavy Cruiser Training Cruiser
Aviation Cruiser Fast Battleship
Battleship Aviation Battleship
Light Carrier Standard Aircraft Carrier
Armored Carrier Seaplane Tender
Submarine Aircraft Carrying Submarine
Submarine Tender Fleet Oiler
Repair Ship Amphibious Assault Ship



An improved version of the large caliber guns ordered from the United Kingdom at the time of Kongou-class construction. Later produced domestically, it was made a standard battleship armament up to the Ise-class. While the main objective was to improve accuracy and the rate of fire, efforts were made to lower the weight and improve protection.
Their power reaches its peak when used on the remodeled Fast Battleships of Kongou-class.


Main GunsSmall Caliber Main GunMedium Caliber Main GunLarge Caliber Main Gun are the main armament used by surface ships. Their main stats are the "firepower" Firepower and "accuracy" Accuracy. They are notably required to trigger all Artillery Spotting attacks as well as some Night Cut-Ins, notably the "Double Attack" (DA).


How To Obtain

Stock equipment of: Hiei Kai Ni CHiei Kai Ni C (x2), Kongou Kai Ni CKongou Kai Ni C (x2)

From quest: B190 (x2, choice)

Upgradeable from: Prototype 35.6cm Triple Gun MountPrototype 35.6cm Triple Gun Mount

Ranking reward for:

  • Feb 2019: 1-5, 6-20, 21-100, 101-500

Updates History

Fit Bonuses

Ship Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine Warfare Line of Sight Armor Evasion Note
Kongou Kai Ni CKongou Kai Ni C +3 +1 +1
Hiei Kai Ni CHiei Kai Ni C +3 +1 +1
Kongou-class Kai/Kai NiKongou Kai
Hiei Kai
Haruna Kai
Kirishima Kai
Kongou Kai Ni
Hiei Kai Ni
Haruna Kai Ni
Kirishima Kai Ni
+2 +1
+1 +1



Type Name Resource Day 2nd Ship Note
Fuel Ammunition Steel Bauxite Item Icon Development Material.png Item Icon Improvement Material.png # of equipment needed for that upgrade. An asterisk following the number indicates a different equipment is required. Sun Mon Tue Wed Thu Fri Sat
Large Caliber Main Gun 35.6cm Twin Gun Mount Kai 0 36 360 500 40 8/9 6/7 2xRedGunHeavy.png X K K K H H H Kongou Kai Ni C
Hiei Kai Ni C
Upgrades to 35.6cm Twin Gun Mount Kai Ni.
6 12/20 7/9 4xRedGunHeavy.png
10 30/36 8/10 4xRedGunHeavy.png
2xItem Icon New Model Gun Mount Improvement Material.png
1xItem Icon New Model Armament Material.png
Improvement Improved effects
Large Caliber Main Gun 1★ 2★ 3★ 4★ 5★ 6★ 7★ 8★ 9★ Max★
Firepower 1.50 2.12 2.59 3.00 3.35 3.67 3.96 4.24 4.50 4.74
Night Battle Power 1.00 1.41 1.73 2.00 2.23 2.44 2.64 2.82 3.00 3.16
Accuracy 1.00 1.41 1.73 2.00 2.23 2.44 2.64 2.82 3.00 3.16

See Also