There is no more damned being in the entire galaxy than a traitor. Excommunicated, hated and hunted, the Marines of the Crimson Slaughter turned from the Emperor's Light, and their bloody trail has stretched across the Imperium ever since. But before they betrayed their oath and began to worship the Dark Gods, they were called the Crimson Sabers, faithful and steadfast. This is the story of their fall. The story of how scout captain Anzo Riegler, the last of those who resisted the effects of Chaos, turned into a pawn in the hands of Chaos and became the cause of the final fall of the Order.