Dark Imperium: Godblight (Paperback)

Dark Imperium: Godblight by Guy Haley.

Book 3 of the Dark Imperium Trilogy.

Roboute Guilliman faces his traitorous brother Mortarion on the dying world of Iax. Mortarion seeks to use the planet to drag Ultramar into the warp, while Guilliman strives to save his realm. As Mortarion unleashes the Godblight to destroy his brother, the two primarchs clash in a decisive battle, with the fate of the galaxy hanging in the balance. The outcome will leave a lasting mark on the future of the Imperium.