Demon

History
Demon can have many forms and shapes. They are very evil and will muder for fun. A demon has the ability to take posesion of a persons body. There are a few ways to win the controle over the body. Exosist performed by a very powerfull priest. Or the one possed should fight with there demon and win mutiple times from him. Or kill the host and destroy his body. That way the demon can't break free. A demon is a very powerfull being. They will destroy almost everything in their path once they won the body of their host.