HP: The Dangerous Azkaban Professor

Once, Sargeras Greengrass was a name people only whispered… a genius, feared and admired in equal measure. And now, after all these years, he’s back at Hogwarts.



He was born a half-blood into the old Greengrass family, a house steeped in the legacy of Death Eaters. For him, magic didn’t begin with wonder or excitement… it began with pain. A Cruciatus Curse from his own mother. His father? A Death Eater too. His childhood? Let’s just call it survival training.



But here’s the thing… Sargeras Greengrass isn’t from this world. He’s a transmigrator, a soul from another life, still carrying old memories. But those memories meant nothing here. All he knew was that a boy named Harry Potter would become someone important… and that Voldemort was the villain of the story. Beyond that, the wizarding world was as strange to him as it was to any outsider.



After cutting ties with his family, he entered Hogwarts and devoured every book the castle held. But genius has its price. Expelled in his fifth year, he walked away from school life… and chased magic with even greater hunger.



From the forbidden arts of Dark Magic to the War Sorcery of ancient times… even to the long-lost runic spells of the primeval age… he mastered them all with an obsession that bordered on madness.



Refining spells. Creating new ones. For Sargeras, magic wasn’t just talent… it was instinct, carved into his very bones.



Five years after being cast out, he walked out of Azkaban and through the cold, salty mist of the North Sea, returning to the ancient castle that had once expelled him. But this time, not as a student… as a Professor.



They thought Azkaban would break him. Instead, it forged him. Behind that calm voice and composed smile lies a mind sharpened by torment… and a command of magic few even dare to name.



The title once whispered in fear has returned to the castle.



The Dangerous Genius is back but this time as a Dangerous Professor.



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