Miracle Kung-fu: Ashura (1979)

Two men, one a lowly peon and the other a dutiful nobleman, are betrayed by their master and crippled for life-- One left with no arms and the other with paralyzed legs. Despite their obvious disadvantages, they strive to seek revenge against their evil master. The two men endeavor to track down the fabled Eight Jade Horses, said to hold the key to special martial arts techniques.