A disgraced master of magical tattoos, Kaelen lost his arm and his power in a single, devastating blow. Now, haunted by phantom pains and forbidden lore, he seeks to defy centuries of law by using his left arm—a path said to lead to madness and corruption. But the prohibition hides a terrible secret, and by trying to restore his body, Kaelen might just unravel reality itself. He must choose between personal wholeness and the safety of the world, all while hunted by a rival who may be his only key to the truth.