The demon realm is in chaos. A new king mustbe chosen—and for the first time, the candidate will be human. Ravka, an ordinary teen from a rough neighborhood, stumbles upon a strange ring that latches onto his finger and refuses to come off. From that moment on, nothing in his life is the same. Monsters begin to appear. People start vanishing. And a voice from the ring keeps whispering the same haunting words: “You were chosen... to burn the world—or save it.”