Yi Fung Film Company

Taiwanese horror film.

The most deadly fighter on earth, a man so dangerous in combat he only uses one hand, is after the greatest book ever written. This book, a tutorial in the "mantis fist", must be protected by an unlikely band of hero's. - IMDB

About a child demon and three magic warriors fighting against some demons! One of the demons, a girl in red leaves the flame mountain and witnesses strange things going on in the world of the humans. However, she is free to cause even more confusion. She uses her special abilities like invisibility to fight wizards with other talents such as shape-shifting and enjoys herself tremendously.