How to Install One Piece Mod for Minecraft 1.20.1 - True Prime Piece
: You typically need to download Minecraft Forge (matching your game version, e.g., 1.20.1) and place the .jar mod files into your .minecraft/mods folder.
Since build numbers like "30000170" are often unique to internal developer versions or specific beta releases, it's possible this number is from a less common or private build.
: Only use reputable community forums or known modding sites.