Rae Dreemurr is the last living child of King Asgore and Queen Toriel Dreemurr. She is a captain alongside Undyne, she is hiding a very big secret from the rest of the Underground. She has a split soul. The monster half of her soul is unknown. No one knows, except for her best friend Sans the Skeleton. He was there for her when she couldn't talk to anyone else. Their friendship soon turned into a newfound love that Rae had never felt before. Her brother Asriel died young, she blamed herself for his death. As she found love, she soon found hate. Hate for the race the destroyed her family and her kingdom.