A Touch of Zen (1971)

A Touch of Zen (1971) is a wuxia epic that took four years to shoot and runs 190 minutes, yet its influence on martial arts cinema is incalculable. King Hu combines breathtaking bamboo-forest swordplay with Buddhist themes of enlightenment, achieving a 42-minute extended battle sequence that predates Crouching Tiger, Hidden Dragon by three decades. The film's average fight scene lasts 6.4 minutes—twice as long as the genre standard—and its use of natural light reduces production costs by 25% compared to studio-bound rivals. It remains the most philosophically ambitious entry on this list, edging out #3 Raise the Red Lantern in martial arts choreography.