Mirah and Rasmun thought their work was done. The Choosing was accomplished and the world had been set right again. That is until AEyrebis, a mythical Caudex Anima and the same book that had driven Rasmun insane ten years ago, resurfaced. Unlike Mirah, Rasmun knows it isn't merely sentient. He knows it harbors plans involving the ultimate destruction of humanity as the souls that comprise it strive to complete their long denied quest to become gods. The only thing that can stop AEyrebis is Corryn's Stone, a stone of unfathomable power that opens a doorway into the heaven