The Kusar Blade is a nigh indestructible knife edge which can cut and pierce anything at the subatomic level, a rare breed of Kherubim forging machinations. While a great many Kusar's were forged from the home world, only a few privileged individuals are bestowed with such an armament.

A Kheran Kusar's edge has been stropped to the point of absolution, able to rend the indestructible hide of even the most invulnerable of targets. Majestros proved this by slitting his thumb on it as a demonstration.