The betrayal is finalized at Isstvan III, where Horus purges loyalists within his own legions. Essential Mid-Series Milestones
Explores the enigmatic Alpha Legion and their "unusual" motivations for joining the traitors. Warhammer 40k - Horus Heresy - Books 1-54 -comp...
Nathaniel Garro flees the massacre to warn Terra of the betrayal. The betrayal is finalized at Isstvan III, where
The series is the definitive foundation myth of the Warhammer 40,000 universe . Spanning 54 core novels published between 2006 and 2019, this epic science fiction saga details the tragic civil war that occurred 10,000 years before the "modern" 40k setting. It chronicles the fall of the Warmaster Horus, the Emperor’s most favored son, and the subsequent shattering of the Imperium of Man. The Core Trilogy: The Seeds of Treachery The series is the definitive foundation myth of
The tragic destruction of Prospero and the fall of Magnus the Red.
The first three books are widely considered essential for any reader, establishing the political landscape and the initial descent into madness.