The brutal Underworld War on Calth, the political drama of Macragge, and the desperate defense of the Ultramar realm. 5. The Path to Terra (Books 31–54)
Including the Betrayal and Unremembered Empire arcs. Warhammer 40k - Horus Heresy - Books 1-54 -comp...
Phase 3: Shadows of Betrayal and the Imperium Secundus (Books 16–30) The brutal Underworld War on Calth, the political