Bone is a Animus NightWing/RainWing hybrid Ringmaster
Bones father, Answer, was sent on a murder mission to hunt down any hybrids. When he met Starflower and decided to spare her and he always sneaked out to see Starflower. Bone hatched his parents hated how he didn't inherit anything from one of them, he was dull and ugly and Starflower ran away. Answer in rage beat his son and sent him to Jade Mountain Academy and he met Gloriosa (RainWing) and Slate (SeaWing) becoming good friends with them