The "proper piece" for a release with the filename usually refers to a NFO file or a specific subtitle file that matches the exact timing of that high-definition WEB-DL rip.
If you are managing a media library like Plex, this file should match metadata providers using the title Violent Night (2022) . Violent.Night.2022.2160p.WEB-DL.x265.10bit.SDR....
2.39:1, as noted in the Violent Night Technical Specs on IMDb . The "proper piece" for a release with the
10-bit SDR (Standard Dynamic Range). Note that while many 4K releases are HDR, this specific version is tagged as SDR. Violent.Night.2022.2160p.WEB-DL.x265.10bit.SDR....