

A Japanese samurai, Wuming, travels to China and defeats many martial artists, challenging the Central Plains' top Swordsmen, leading to a fight with Liguojushi. Wuming loses but threatens revenge, setting off a battle over the martial arts book, Ling's Sword Manual. Nangong Yi falls out with his master and learns from another. He ends up as the leader of a sect and helps stop an evil martial arts master from gaining power but dies fighting Wuming who threatens to destroy the entire martial arts world.

One Sword (1978) streaming availability varies by region. Check Netflix, Prime Video, Disney+, and other major platforms.
One Sword has 1 season and 25 episodes in total. The series has concluded.
A Japanese samurai, Wuming, travels to China and defeats many martial artists, challenging the Central Plains' top Swordsmen, leading to a fight with Liguojushi. Wuming loses but threatens revenge, setting off a battle over the martial arts book, Ling's Sword Manual. Nangong Yi...