Proton Accelerator Gun

In 2654 the Kilrathi tested their prototype Proton Accelerator Gun (aka 'Graviton Weapon') on Warhammer XII. The weapon fires a special explosive burst (which appears similar to a Particle Cannon blast) at a target. The explosion is followed by a 137 fold increase in gravity, which completely eliminates a target. The weapon went on to form the centerline armament of the Kilrathi Sivar dreadnaught, and was field-tested with the complete destruction of Goddard Colony. The Kilrathi weapon had a single operational drawback: it took several minutes to lock and fire -- it could not effectively be used against starships.