Place it just before the main contest begins, then follow it with Round One Fight to signal the start, and add Anime Punch when the first hit lands in the edit.
關於此聲音
Lucha is a brief sound of about four seconds, centred on its single title word and built to land as one quick, self-contained moment. It gives listeners a tense, fired-up feeling, like the pause just before a contest begins, when everyone is watching and waiting for the first move. That charged, competitive energy makes it work as a direct reaction to a challenge.