Uchiha's Doomed Patriarch: My Sharingan Levels Up

Transmigrated into Uchiha Fuyue, the future patriarch destined to lead his clan to agonizing annihilation, he faces the crushing knowledge of their inevitable genocide. The mighty Uchiha, renowned for their power yet crippled by their arrogance and isolation, are already teetering on the brink of complete destruction at the hands of their own village. Every day is a desperate countdown to their horrific end. But this isn't the Fuyue of history. Armed with a unique, predatory system, every enemy killed grants him invaluable 'Pupil Power,' directly fueling his Sharingan and evolving it to terrifying new heights. Mangekyo, even the fabled Eternal Mangekyo, are no longer tragic awakenings born of despair, but a clear, brutal path to absolute ocular power and dominance. As the Third Great Ninja War looms, threatening to engulf the world, and Konoha's sinister shadows conspire against his clan, Fuyue must rapidly amass power. Can one man defy the tragic fate of the Uchiha, rewriting history and forging an empire from the ashes, or will Konoha's darkness ultimately consume them all?