This audio is mainly known through TikTok reposts and short-form edits rather than a clearly credited original upload in the available information here. Online, it spread as a quick cue for ruthless, confident or villain-coded moments, especially in transformation videos and dramatic caption edits. Its staying power comes from how easily the clip signals a mood shift in just a few seconds. Creators keep using it because the name No Mercy is simple, memorable and easy to search when building intense meme edits.