The Grey Knights are servants of the Ordo Malleus, imperious, incorruptable warriors, whose very purpose is to seek out and destroy the most dangeous foes that humanity will ever face: daemons. Armed and armoured with the trappings of the daemonhunter, these stalwart Astartes bring death and destruction to the immortal denizens of the warp. Girded by faith, wielders of the nemesis force halberd, the Grey Knights step were others will not tread. There's is the hardest task, risking their immortal souls in pursuit of the hungry entities of Chaos, the Imperium's most arch foes, who, without the Grey Knights, would be but a feast on the sacrificial altar of darkness...