Op Bosses
Java mod listed for Minecraft 1.20. Downloads from the MC Java Mods app on Android.
This mod is a addon for mmnm that will addon a ton of single player bosses with advanced ai and devil fruit powers
⬇ Download on CurseForgeThe author built this one for Minecraft 1.20.1 on Forge. On other versions it may install and then do nothing.
⚓ OPBosses — One Piece World Bosses ⚓
Bring the seas to life with powerful roaming bosses inspired by the world of One Piece.
Face legendary enemies like Whitebeard, Blackbeard, Shanks, Magellan, Rob Lucci, Sanji, and Akainu as they spawn across the world with custom stats, haki mastery, Devil Fruit powers, gear, spawn timers, despawn timers, and dramatic nearby spawn alerts.
Each boss is designed to feel dangerous, cinematic, and rewarding — turning exploration into a true Grand Line encounter.
Requires Mine Mine no Mi.
Optional ZaZaAddon support for extra abilities and effects.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.20.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Ships as opbosses-1.0.2.jar — drop this file into the mods folder
- Download size: 145 KB
- Download link checked 4 Oct 2026 — working
These come from our own check of the pack file, not from the source page.