Heavenly Legend (1999)

Heavenly Legend 1999 / 天庭外傳 1999 / Tian Ting Wai Zhuan , 天庭外传

Na Ja escapes from heaven and kills the third prince of the East Dragon King by mistake. So, the King, in a fit of vengeance, orders the Monkey King to fight Na Ja. But a surprising twist forces the combatants to work together in order to save the human race from calamity (the penalty for Na Ja's mistake).