What if Izuku Midoriya was pulled from the hero world and thrown into the shadows of the Assassin’s Creed universe? No Quirk rankings. No hero licenses. Only blades, faith, and hidden wars fought in silence. Stripped of everything familiar, Deku must learn a new creed one where strength means restraint, freedom is paid for in blood, and victory is never celebrated openly. The Brotherhood doesn’t care about his ideals only whether he can survive. Can Deku adapt to a world where heroes don’t exist? How does One For All evolve when paired with assassin techniques and hidden blades? What happens when Templars discover a boy who can change the balance of their war? And will Deku remain the hero he once was or become something far more dangerous? This story blends discipline, ideology, and silent combat a Deku forced to choose between saving everyone loudly or protecting freedom from the shadows. A tale of conviction, sacrifice, and a boy learning that some wars are won without ever being seen. If you enjoyed this crossover What If, make sure to subscribe ,more insane cross-universe stories are coming soon.