The die is cast. The trap is sprung. The Daemons of the Ruinstorm have been unleashed. Wash away the living in tides of blood and hellfire!

Following the Warmaster’s orders, Sanguinius takes his Legion to the Signus system. Lured by the promise of a cure to the Red Thirst that plagues his sons, Sanguinius finds instead the deadly trap set by the Daemons of the Ruinstorm.