I'm guessing you lost to Ouroboros before the game decided to crack.
That was Airy's Sister's only hope of preventing him from breaking into The Celestial Realm, replacing Satan as the ultimate evil, and ruining our Earth forevermore. Her and Derosso's sacrifices weren't in vain, mai child.
FC: 2964-8693-8509 IGN: Verylin TSV: 1874 Official Dream Eater of Serebii.Net. Current Dream Log for 2014: 20/365; Nightmares: 4