If you have a video file but no subtitles, modern tools like Edimakor can use AI to auto-generate and translate subtitles from Cantonese to English, though manual community subs (like those on Dailymotion) are generally more accurate for Wuxia terminology.
Which are you trying to watch (the 1990 original or the 1991 The Zu Mountain Saga II )? zu mountain saga english subtitles better
Searching for better English subtitles for The Zu Mountain Saga If you have a video file but no