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Shinzan Kai

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Deep Mountain Mk.1
No.396 深山改
Heavy Bomber Icon.png Large Land-based Aircraft
Effects: Bombing+19 Torpedo+17 AA+2
Combat Radius: 11 (Deployment Cost: Bauxite 21)
Scrap value: Fuel 13 Ammo 18 Bauxite 24 (Unbuildable)

Equipment Card Shinzan Kai.png

Equipment Character Shinzan Kai.png

Equipment Item Shinzan Kai.png

Equipment Full Shinzan Kai.png

Refittable Ship Types
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
LBAS Plane



An improved version of the long-range, four-engine large bomber, "Shinzan".
Developed based on large passenger aircraft from the US, the engines were replaced and the airframe improved, but problems remained and it again wasn't adopted by the military.
Its features would be adopted by its successor, the Renzan.


Land-based Heavy Bomber Land-Based Heavy Bombers mostly work like other Land-Based Attackers, but unlike them, they have only 9 planes in LBAS slots, instead of 18, as well as slightly worse damage modifiers, dividing their base attack power by about half.


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

How To Obtain

From limited-time quest: 2312 F3

Ranking reward for:

  • Sep 2020: 1-5, 6-20

Event reward for:

Updates History

  • 2020-10-29: Implemented as ranking reward


Improvement Improved effects
Land-based Heavy Bomber 1★ 2★ 3★ 4★ 5★ 6★ 7★ 8★ 9★ Max★
Torpedo Attack 0.70 0.98 1.21 1.40 1.56 1.71 1.85 1.97 2.10 2.21
Dive Bomber Attack 0.70 0.98 1.21 1.40 1.56 1.71 1.85 1.97 2.10 2.21
Anti-Air 0.50 0.70 0.86 1.00 1.11 1.22 1.32 1.41 1.50 1.58

See Also