An extremely powerful god-like being, capable of destroying multiverses. She's eccentric and full of herself and beautiful. If she ever finds someone stronger than herself, she will obey him and become his servant, but no one until now has been able to do so, and it's almost impossible to, one should be able to completely overpower her to mske her surrender. Of the seven realms, the Demon one is the weaker, but since she's there the othera can't conquer it.