Old Earth (The Horus Heresy #47)

Reborn in the fires of Nocturne, Vulkan prepares for his final journey. With the choice between vengeance and duty, what will the primarch's destiny be?

Reborn in body and spirit beneath Mount Deathfire, the primarch Vulkan gathers his most trusted sons and prepares for the final part of his journey. The Legions shattered at Isstvan V have stalled the Warmaster’s advance across the galaxy, but fresh cracks are spreading through the alliance between the Iron Hands, Salamanders and Raven Guard, along with mysterious rumours of the return of Ferrus Manus. Haunted by a sense of destiny unfulfilled, Vulkan must choose between joining their war of vengeance against the traitors, or following his own barely understood path all the way to the Throneworld itself.