From the depths, darkness is rising… Something ancient and powerful stirs beneath the sea of the Outer Islands. A creature strong enough to challenge Captain Rafe Morrow, God of Souls, for control of the dead and the survival of the living. Still reeling from the aftermath of his battle with the Goddess of the Moon, Rafe and the crew of the Celestial Jewel find a mysterious shipwreck and strange tales of bones. Tasked by a new ally to find answers, Rafe stumbles on long-buried secrets shrouded in the shadows of the Nightmare Crow. Now armies of the dead ascend from the ocean. And their master is not far behind. Set sail on a new adventure with ghosts, gods and sea monsters!