In the grim future of the 41st millennium, the Inquisition work to defend Humanity from the traitors, heretics, mutants and aliens who would undermine the Imperium from within. Still recovering from a deadly confrontation that left the rest of his retinue dead, Inquisitor Delius Alastor is despatched to the city of Carrion Gulf on the world of Magnum Christi. Here, working alongside the superhuman warriors of the Black Templars, he must race against time to foil the insidious plans of the Thousand Sons Chaos Space Marines and their traitor accomplices.
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It's another tale of the Inquisition by Dan Abnett, this time in graphic novel form. Is there anything more that needs said? Alright then, it also includes the pious Black Templars, and the enemies are the insidious Thousand Sons.