This is the last part of the trilogy which began with Legend of the Condor Heroes and continued in Return of the Condor Heroes. Heavenly Sword and Dragon Slaying Sabre took place nearly 100 years after the events of Return of the Condor Heroes in a China ruled by the Mongolian Yuan Dynasty.
Legend said that whoever obtains the Heavenly Sword and Dragon Slaying Saber can rule the world. Zhang Wuji was
