HU but Unstable?

About species: Demons: normal demons with horns and tails Angels: normal angels will wings, older ones have hallows Shadow demons: weaker demon with black or dark gray skin, they have smaller horns and are more mysterious, they are rare. Seraphims: Extremely rare. Big wings (normally around 8 wings) Hybrids: Hybrids can be between anything (example: angel and demon; angel and seraphim). Hybrids are the most rare. Their features depend on what species they are a hybrid of.