If you cannot find the full video, look for a standalone .srt or .ass file. Sites like Subscene (legacy backups) or OpenSubtitles might have the original Mmsub track under the filename: The.Myth.2005.720p.BluRay.x264-MMSUB.srt You can then merge this with any high-quality 2010+ rip of the video.
This article breaks down everything you need to know: from the show's plot and characters, to the cultural role of MMSUB in connecting global audiences with this classic drama. the myth 2010 mmsub
television series, localized for a Myanmar (MMSub) audience. [MMSub] The Myth (2010) - 神话 ⚔️🕰️ If you cannot find the full video, look for a standalone