The Diva of the Twilight, whose real name is Seneka Windell, was the Sage of Balance and later the new Creator. She is the main antagonist of the game. She has completely white skin and long white curling tendrils instead of hair, giving her the impression of a Medusa.
Although she was originally the Sage of Balance, she became disillusioned with the humans she was meant to protect and turned against them, enlisting monsters and corrupting the other Sages. Eventually, if the canon ending is reached, she is returned to good by her sister, Trista.