After winning her mother's freedom from the Celestial Emperor, Xingyin thrives in the enchanting tranquility of her home. But peace is threatened as the emperor tightens his grip on power. As an unspeakable terror sweeps across the realm, Xingyin must uncover the truth of her heart and claw her way through devastation - to rise against this evil before it destroys everything she holds dear, and the worlds she has grown to love... An instant Sunday Times bestseller.