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Deep Mountain
No.395 深山
Heavy Bomber Icon.png Large Land-based Aircraft
Effects: Bombing+17 Torpedo+16 AA+1
Scrap value: Fuel 12 Ammo 18 Bauxite 23 (Unbuildable)

Equipment Card Shinzan.png

Equipment Character Shinzan.png

Equipment Item Shinzan.png

Equipment Full Shinzan.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



This is a long-range, four-engine large bomber. It was big for a land-based bomber in those days, roughly equal to the B-29 in size.
It was developed based on the large passenger aircraft from the US. It was rejected due to poor maneuverability and flaws in the engine and airframe which caused problems with its reliability and utility.


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.


How To Obtain

From limited-time quest: 2112 LB03 (choice), 2212 F2 (choice)

Ranking reward for:

  • Sep 2020: 1-5, 21-100, 101-500

Event reward for:

Updates History

  • 2020-10-29: Implemented as ranking reward


Improvement Improved effects
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
Anti-Air 0.50 0.70 0.86 1.00 1.11 1.22 1.32 1.41 1.50 1.58

See Also

Nakajima G5N