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Installation

MKI edited this page Oct 19, 2026 · 2 revisions

Installation

Requirements

Loaders Fabric, Forge, NeoForge
Minecraft 1.20.1, 1.21.1, 1.21.11, 26.1.2, 26.2, 26.3
Required GeckoLib (all loaders), Fabric API (Fabric only)

Download the World Bosses file that matches both your loader and your Minecraft version. Not every loader is available for every version at the same time; the download page lists the files that exist.

Single player

Put World Bosses, GeckoLib and (on Fabric) Fabric API into your mods folder and start the game.

Server

The mod is needed on the server and on every client. The server tells players which World Bosses version it runs when they join.

  1. Put the same files into the server's mods folder.
  2. Start the server once. It writes config/worldbosses.json and the raid cache files in config/worldbosses/.
  3. Change what you like – see Configuration – then run /worldbosses reload or restart.

Updating

Your config is kept when you update. New settings are added with their default values, settings that no longer exist are dropped. If something looks wrong after an update, delete config/worldbosses.json to get fresh defaults.

Compatibility

  • Loyal Companions – tamed companions can fight bosses. Their damage per hit is capped so a pack of pets cannot melt a boss, and the owner counts as a participant for rewards. See loyalCompanionsCompatibility in the Configuration.
  • PartyLink – party members near a defeated boss get the rewards and the advancement too, even if they never hit it, and the party is told when a member summons a boss. See partyLinkCompatibility in the Configuration.

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