Blossom

blossom is a red fox known for being apathetic and anxious, accepting herself as such, having given up hiding these traits from those around her. she has poor posture, and tries to keep her belongings close to her. she's samantha's teenage sibling, and after her sister's mysterious death, blossom takes to learning witchcraft in an attempt to communicate with her. 

after several attempts over the course of months she successfully bakes a portal to hell and is promptly captured by blight and his imps. there she discovers that samantha has become a demon herself, holding a scary amount of power, at least seemingly. before blight and samantha can decide what to do with blossom, she escapes through another portal, and is teleported to the island in the sky. vault and rainbow find her there.