As the Great Crusade continues, Warmaster Horus leads the Imperium in the Emperor's absence. But when he is gravely wounded on the world of Davin, dark forces seize the opportunity to corrupt humanity's greatest champion, setting in motion events that will reshape the galaxy forever.
Written by Graham McNeill, this pivotal novel in the Horus Heresy series explores the origins of Horus' fall and the manipulations of the infamous Dark Apostle Erebus, making it an essential read for Warhammer 40,000 fans.

