Invincible

Billy Zane stars in this kung fu fantasy as Os, an expert martial artist who has devoted his life to defending the Earth from the Shadowmen, a race of immortals who want to destroy humanity. Once one of the Shadowmen himself, Os renounced his immortality when he was shown "The Way". However, now that Slate, the leader of the Shadowmen, has begun preparing for a final attack on Earth, Os must train his students to become as powerful as he is if they are to defend the Earth from the Shadowmen.