Y/N Rosier has always known that being born into the Rosier family means her choices were never truly her own. A Slytherin through and through, she carries a rare and dangerous magic in her blood — the power to weave illusions so real they can deceive minds, bend perception, and rewrite reality for those trapped inside them. It is a gift her family has long guarded… and a curse that was never meant to be used without consequence. When the Second Wizarding War reaches its breaking point, the Ros