OnePiecev5.jar is a release file of the Minecraft mod - | The One Piece | - Become King Of The Pirates for NeoForge, made for Minecraft 1.21.1. It was published on May 7, 2026 and is 3.9 MB in size. For the full description, screenshots and every other version, visit the - | The One Piece | - Become King Of The Pirates mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.