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Terminal.png This article, Type-58 Directed Energy Support Weapon, was written by Ajax 013. Please do not edit this fiction without the writer's permission.
Plasma Cannon
Production information

Type-58 Directed Energy Support Weapon

Technical specifications
Ammunition Type

superheated plasma


Necros War




The Type-58 Directed Energy Support Weapon, also referred to as the Plasma Cannon is a heavy weapon of the Republic, utilised for defending strongpoints, and mounting on vehicles.


A heavy duty weapon, the Type-58 Plasma Cannon is the successor to earlier Plasma Cannons. These older models were manufactured in the Sacred Promissory on High Charity, with an elegant design created by the San'Shyuum. With the fall of High Charity, the design survived, but proved too complex to adapt to other manufacturing methods. A simplified weapon has prevailed, manufactured by Achoem Weapons.

The replacement, designated the Type-58, lacks some of the refinement, instead focusing on simplicity and ease of manufacture. It is heavier than previous models, and suffers some issues with reliability, these problems have been eased over the years of manufacturing.

A heavy duty cannon, it produces a hail of plasma fire enough to tear from infantry formations, and pin them down, or shred light infantry. The weapon is packaged with a tripod, using a stabilised anti-gravity mount. It can also be mounted on vehicles, such as on Phantom doors, or on the pintle mount of a Wraith. It can also be carried dismounted, producing a hail of fire against infantry in close quarters.

UNSC Remarks

Weapons of the USR

Energy Rifles

Plasma Rifle | Plasma Repeater | Storm Rifle | Concussion Rifle

Kinetic Rifles

Needler | Carbine | Needle Rifle | Needler Shotgun


Plasma Pistol | Nail Gun | Fuel Rod Burster

Heavy Weapons

Plasma Caster | Fuel Rod Gun | Plasma Launcher | Needler Cannon | Assault Cannon

Sniper Rifles

Beam Rifle | Focus Rifle | Fuel Rod Rifle

Support Weapons

Plasma Cannon | Plasma Mortar | Plasma Flamer


Plasma Grenade | Fusion Grenade | Electricity Grenade

Melee Weapons

Energy Sword | Energy Greatsword | Curveblade

Energy Garrote | Energy Dagger | Tactical Knife

Energy Pike | Energy Spear | Energy Glaive | Energy Halberd | Type-34 Energy Weapon/Lance


Anti Matter Charge | 'Bouncing Betty' | 'Jumping Jack'

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