HP: The Azkaban Professor's Dark Elegance

Sagres Gringrass survived what should have killed him—a Killing Curse from his own mother, his first taste of magic in a world of pure-blood secrets. When he turned to his father for answers, he found only betrayal: a Death Eater's cold indifference. Expelled from Hogwarts and condemned to Azkaban's soul-crushing depths, Sagres emerged five years later not broken, but reforged. Now he returns to the ancient castle shrouded in North Sea mist—this time as a professor. Where Azkaban drove others to madness, it left him with something far more dangerous: a chilling elegance and secrets that could…