“…….”
 
Serene is a little wyvern who living with Alternate Dawn in Ponyvile Library tree. She is a novice assistant of him. Origin of her is really complex. She was born from 3 difference creatures from another worlds that merge into one being when crossed to Equestria world. She got rampage and tried to destroy Ponyvile. But she was stopped by Little AJ and got harmonized. She turned into just a simple black wyvern after that.
 
After she got harmonized. Elements took away her instinct and gave her sentience. Her mind is just like a child. Her body is just like normal wyvern with normal internal organ and normal reproductive system. She is a fast learner who can learn everything in a short time. She don’t have any magic power in herself but she have really good strength. She isn’t very talkative