With his helmet destroyed revealing the miniature star in his head , Xorn battled Magneto ravaging the entire Institute .
With his helmet destroyed revealing the miniature star in his head , Xorn vanished when he realized that Jean Grey was not alone inside the egg .
With his helmet destroyed revealing the miniature star in his head , Xorn battled Magneto ravaging the entire Institute , but vanished when he realized that Jean Grey was not alone inside the egg .