The birch tree in this world is known as the epitome or incarnation of evil, that is why the demon-goddess Sukazuya may wield it and bend it to her own will. to exert a higher level of control over people it puts on a graceful and merciful front, most of who have seen its true nature have never been spoken of again... this creature is far beyond human comprehension and has done every sinister deed imaginable, this "thing" is not "human" or "beast" it is just... evil. maybe even a god or stronger