血胎换骨 (2004)

After killing a gang member, Willy and Jetso flee to Thailand. Willy learns dark magic from a sorcerer and uses it to survive further attacks. However, his greed for power leads him to murder his mentor, disfigure his lover, and steal a forbidden spellbook. Now, Jetso must stop Willy before he learns from the book and becomes an unstoppable evil monster.