While voyaging through the depths of the warp, the infamous blademaster Lucius the Eternal is challenged by a servant of another god - a champion of the old Death Guard Legion, no less. Keen to remain dominant over his preening and ambitious rivals in the Cohors Nasicae, Lucius takes up his sword without a second thought…but could an unfeeling daemonhost of Nurgle, or the voices inside his own head, be the undoing of his Slaaneshi curse?