file or scene release naming convention

It looks like you're asking for the proper for a specific One Pace episode: "Punk Hazard 15" (covering episodes 683–684 of the original One Piece anime), 720p , Spanish subtitles ("En Su..." likely means "Español Sub" or "En Sub").

Most One Pace releases use H.264/AAC in an MKV container. You will need:

The Context of the Arc

Why Choose One Pace Over the Original for Punk Hazard?

Potential Issues with This Particular File

Audio sync:

Fan edits sometimes desync audio when cutting scenes. Use VLC’s audio delay feature (G/H keys) to adjust by ±200ms if needed.