• Welcome to the Kancolle Wiki!
  • If you have any questions regarding site content, account registration, etc., please visit the KanColle Wiki Discord

Prototype Night Zuiun (Attack Equipment)

From Kancolle Wiki
Jump to navigation Jump to search
Prototype Night Auspicious Clouds Mk.2 (Attack Equipment)
No.490 試製 夜間瑞雲(攻撃装備)
Night Seaplane Bomber Icon.png Seaplane Bomber
Effects: Firepower+3 Bombing+10 AA+4 ASW+6 Accuracy+2 LoS+7
Combat Radius: 4 (Deployment Cost: Bauxite 8)
Scrap value: Fuel 2 Ammo 4 Bauxite 6 (Unbuildable)

Equipment Card Prototype Night Zuiun (Attack Equipment).png

Equipment Character Prototype Night Zuiun (Attack Equipment).png

Equipment Item Prototype Night Zuiun (Attack Equipment).png

Equipment Full Prototype Night Zuiun (Attack Equipment).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



The Zuiun is a high-performance masterpiece seaplane reconnaissance bomber.
The highly trained 634th Zuiun Squadron was formed to be deployed on the aviation battleships Ise and Hyuuga.
This Type 12 Kai Ni model has been upgraded further for night operations.
Equipped with a RADAR, flares, and a veteran crew, this what-if night operations model has the power to improve the nighttime capabilities of aviation cruisers and other surface vessels.


Seaplane Seaplanes are the main aircraft type used by non-carrier ships (mainly battleships, cruisers, and auxiliaries).

Seaplane BomberBomber Seaplane Bombers additionally act like Dive Bombers, taking part in the same air phases and sharing the same damage formulas. Additionally, they:

Zuiun Model Seaplane Bomber Zuiuns are additionaly required for the Ise-class Kai NiIse Kai Ni
Hyuuga Kai Ni
to perform special Zuiun cut-in attack (see Artillery Spotting for more details).

Night Seaplane Bomber Night Seaplane Bombers are required to trigger a special Night Cut-In on certain ships.

  • This cut-in also triggers the Star Shell effect and bonuses.

This plane has strong Anti-Air Resistance.

  • 0.5 Ship AA Modifier
  • 0.7 Fleet AA Modifier


Not to be confused with other aircraft of this family (see here).

How To Obtain

Upgradeable from: Zuiun Kai Ni (634 Air Group)Zuiun Kai Ni (634 Air Group)

From limited-time quest: 2302 F2

Updates History

  • 2020-02-14: Implemented

Fit Bonuses

Prototype Night Zuiun (Attack Equipment)/Bonuses

Ship Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine Warfare Line of Sight Armor Evasion Note
Agano-class Kai NiNoshiro Kai Ni
Yahagi Kai Ni
Yahagi Kai Ni B
+1 +1 +1 Non-stackable between any Seaplane Bombers
Mogami Kai Ni (Toku)Mogami Kai Ni
Mogami Kai Ni Toku
+1 +1

See Also