Once upon a time, there was a cruel clan that ruled over the area called FeiYangDian. The leader and his thugs killing those who are against him and taking everything wealth, bring lawlessness and chaos to the people. The world needs a hero to end this evilness. WuJiDaoRen specially designed this physics-based character locomotion system, that generates real time fighting and reaction animations. Through the interactive moves and fluid combat motion, and tried to present the beauty of Chinese Martial Arts. Character will move like in the real world, the move and the balance is calculated by steps and the force used. Each action move is simulated by physics, calculates its speed, momenten, the balance state, where it hits and how it hits. Moves can intersect with each other like in the real world. The character can be dragged, pushed, and tripped, and will behave like what it should be. Every combat result is unique. There also have various weapons that can be chosen. Each type of weapon brings a different fighting style and feel.