Of all the enemies that the Berzerkers of Khorne wage war against in the 41st Millennium, none are so hated by their blood-soaked god as the servants of his rival, Slaanesh. As Khârn, champion of the Blood God and renowned across the galaxy as 'the Betrayer', leads an assault on the Slaaneshi Temple of Superlative Indulgence, he knows his lord's blessing is with him – but will the insidious wiles of the servants of the god of excess prove a match for the Betrayer's fury?