Long ago in a hidden kingdom, Mtilan the Unborn King pledges his life to Legion, the fallen spirit from beyond the veil of time. Learning dark and forbidden magic, the new sorcerer gains both immortality and incredible power— but sacrifices his soul. Over a millennium later, siblings Pekra and Lely reluctantly journey with their father’s killer across their island of peril. They seek the mythical cottonwood tree, the first child of their god Ura, hoping to defend its sacred life from both Mtilan and his itinerant Master. But the brave siblings are children of the deer-folk known as the...