Heroes Shed No Tears (1980)

Kao embarks on a quest assigned by his wise, elderly mentor to wield a cursed sword. Tasked with resolving trivial conflicts among various martial arts masters, he navigates a world rife with rivalries and hidden agendas. As he confronts each challenge, Kao discovers that the sword's dark legacy may hold the key to not just settling disputes, but also unearthing deeper truths about honor and loyalty in the martial arts community. With every encounter, he must balance his mission with the weight of the sword's curse, leading to unexpected revelations.