Dark Creed is the second book in the Word Bearers Trilogy, written by Anthony Reynolds, and published in 2008.
Ever driven by his lust for power, Marduk, aspiring Dark Apostle of the Word Bearers Chaos Space Marine Legion, strives to unlock the secrets of an ancient and deadly artefact. This quest throws him and the Word Bearers into a deadly warzone and a desperate battle between their Imperial enemies and the alien Tyranids. And yet, a darker more insidious enemy lurks in the frozen night, preying on the weak and slaying at will. The Dark Eldar have come to this world to plunder. Surrounded by foes, this is the Dark Apostle's sternest test yet.