Beauty is in the eye of the beholder. Always has been, always will be. Khione thought the power of evil beautiful, in some twisted way.
Somehow, the ice that froze people to death was beautiful. It was Khione's ice. She caused so many deaths over the centuries. And she regretted it. But it was beautiful.
In a strange way, to Khione, screams were music and blood was pure. She hated that inside her, the darkness had completely taken over. Even beauty had twisted itself to her darkness. Even death gods were more merciful than the ice princess.
Did remorse make Khione beautiful inside again? She had done wrong. And she regretted it to the bottom of her heart. But no regret would fix Khione's broken ideals of beauty.