Intent on rebuilding Ultramar, the returned primarch Roboute Guilliman wages war on the treacherous Death Guard - but the intervention of a greater power threatens all he works for. In the void and upon the worlds of Greater Ultramar, the battle for the Imperium continues. Intent on rebuilding his home realm and using it as base to reconstruct the ravaged stellar empire of mankind, the returned primarch Roboute Guilliman proceeds with his war to drive Mortarion and his Death Guard Traitor Legion from the domain of the Ultramarines. But when Guilliman brings his brother to battle upon the diseased plains of Parmenio, the intervention of a greater power in their fraternal struggle threatens to upend the Imperial Regent's understanding of the galaxy, and his place within it. Primarchs and ideologies clash in this second, thrilling part of the Dark Imperium trilogy.

Author Biography

Guy Haley is the author of the Horus Heresy novel Pharos, the Primarchs novel Perturabo: The Hammer of Olympia and the Warhammer 40,000 novels Dante, Baneblade, Shadowsword, Valedor and Death of Integrity. He has also written Throneworld and The Beheading for The Beast Arises series. His enthusiasm for all things greenskin has also led him to pen the eponymous Warhammer novel Skarsnik, as well as the End Times novel The Rise of the Horned Rat. He has also written stories set in the Age of Sigmar, included in Warstorm, Ghal Maraz and Call of Archaon. He lives in Yorkshire with his wife and son.