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Shiden Model 21 Shiden Kai

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Violet Lightning Mk.1 Model 21
No.202 紫電二一型 紫電改
Interceptor Fighter Icon.png Land-based Fighter
Effects: AA+9 Armor+2 Anti-Bomber+1 Interception+3
Combat Radius: 4 (Deployment Cost: Bauxite 6)
Scrap value: Fuel 2 Ammo 2 Bauxite 7 (Unbuildable)

Equipment Card Shiden Model 21 Shiden Kai.png

Equipment Character Shiden Model 21 Shiden Kai.png

Equipment Item Shiden Model 21 Shiden Kai.png

Equipment Full Shiden Model 21 Shiden 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



The "Shiden" is a short-range fighter developed from the Kyoufuu seaplane fighter.
The configuration of the wings was shifted from mid-fuselage to the bottom. Upgrades were made to the automatic combat flaps, armour and various systems.
This is an early model of the "Shiden Kai" with abilities that surpassed the Type Zero fighter. It formed the cornerstone of the IJN's homeland air defenses.


Land-Based Fighters/Interceptors are LBAS exclusive fighters, that are used to either:

  • Provide Sortie Fighter-Power, where the "fighter Power" Anti-Air, "interception" Interception, and "combat radius" Operation Radius stats are the most important,
  • Intercept enemy bombers, where the "fighter Power" Anti-Air, "interception" Interception, and especially the "anti-bomber" Anti-Bomber stats are the most important.


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

How To Obtain

Upgradeable from: Shiden Model 11Shiden Model 11

From quest: F113 (x2, choice)

Ranking reward for:

  • Sep 2017: 1-5, 6-20


Used to improve: Shiden Model 21 Shiden KaiShiden Model 21 Shiden Kai, Kyoufuu Kai NiKyoufuu Kai Ni

Updates History


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
Land-based Fighter Shiden Model 21 Shiden Kai 0 150 160 0 330 6/7 4/5 1xGreenPlane.png X H
X X X HarunaHaruna
Haruna Kai

Haruna Kai NiHaruna Kai Ni
Upgrades to Shiden Kai (343 Air Group) 301st Fighter SquadronShiden Kai (343 Air Group) 301st Fighter Squadron
6 9/11 6/8 1xInterceptorFighter.png
10 28/34 13/17 2xInterceptorFighter.png
1xAction Report
4xSkilled Crew Member
Improvement Improved effects
Land-based Fighter 1★ 2★ 3★ 4★ 5★ 6★ 7★ 8★ 9★ Max★
Anti-Air 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0

See Also