Null Hounds

From the introduction In all the Imperium few are as maligned and feared as the Pariah. Born without a soul, their very presence can cause uncontrollable panic and discord amongst the populace. Despite this the Inquisition makes heavy use of these abominations, whether through the Untouchables seconded to their command or the sanctioning of the dreaded Culexus assassins of the Assassinorum Temples.