In the contested Vega Sector, Crown Prince Gilkarg nar Kiranka, Kalralahr of the Kilrathi armada was secretly overseeing the development of the Proton Accelerator Gun, also known as the Graviton Weapon. Developed on Warhammer XII, the Graviton Weapon could destroy an entire planet by increasing the gravitational force of the planet 137 times. This weapon would be used to crush the Terran colonies with ease, and the KIS Sivar would serve as the platform for this weapon.
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