View source for Purging Sword

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The '''''Purging Sword''''' is a [[Grey Knights Strike Cruiser]] that transported [[Grey Knights Brother-Captain|Brother-Captain]] [[Arvann Stern|Stern's]] strike force during the [[Assault on Sortiarius]].{{Fn|1a}}

The Strike Cruiser initially played no part in the attack, as the [[Chaos]] ritual site the [[Grey Knights]] and their [[Dark Angels]] allies sought to destroy was protected by a shield.{{Fn|1a}}  However, the shield was later disrupted and Stern ordered the ''Purging Sword'' to fire upon the ritual site, after the Grey Knights and Dark Angels were unable to stop it in time.  While the Strike Cruiser's subsequent orbital bombardment destroyed the ritual site, it also killed many of the Dark Angels and Grey Knights that were near it.  Afterwards, the survivors began to evacuate aboard the ''Purging Sword'' and the Dark Angels' vessel ''[[Seeker of Redemption]]'', while under fire from the [[Thousand Sons]].  When as many of the surviving [[Space Marines]] that could be saved were aboard, the two ships then escaped from the [[Prospero System]].{{Fn|1b}}