- On hit: Reduce target armor for a duration
- +1 to Ranged Combat Discipline
- 32% chance per hit of:
- +52 Damage to all nearby enemies
- Knock back the target on hit
Said to fire plasma of such heat it might crack the mantle of a world, this weapon bears its name in reference to the rumored purgation of the Dark Angels homeworld of Caliban. Members of that chapter look at this naming as an insult and have been heard to call for the Blood Ravens to suffer a similar "absolution."