Assassin's Creed & Attack On Titan crossover. The year of Our Lord 1476, Wall Fiore was broken down by the XL-Titan. On that day, people of Firenze remembered the horror of being controlled by the titans long ago. Witnessed father and brothers being eaten by a titan, Ezio Auditore joined the Scouting Legion. With help of hookshot which improved secretly by the scientist Leonardo da Vinci, Ezio led an attack on titans.