Diablo: The Sin War

Diablo: The Sin War by Richard A. Knaak is an epic fantasy trilogy that takes you deep into the past of the Diablo universe—to a time when angels, demons, and mortals clashed in a conflict that changed the course of history. The story follows Uldyssian, an ordinary man thrust into the struggle between two immortal forces. As demons from the Burning Hells and angels from the High Heavens fight for control over Sanctuary, Uldyssian discovers a power within himself that could decide the fate of both sides.