It's a mod that adds new features to Happy Ghast entities. It started as a simple mod that added a small tweak to the game. You can still find the original version on GitHub, in the v1 branch.
Requires Fabric API to work
Must be installed on both client and server
2 New Harness Types
Adventurer's Harness
Equipped with a crafting table, a chest, a furnace and a bed(not implemented yet)
Demolition Harness
Equipped with 4 powerful dispensers, they can carry every payload you want! (i prefer 2304 tnts)
Press the keybind(default is R) to fire them
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 25w15a
- 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 Modrinth — 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.
Verified by MCModsHub
- Ships as happyghastbuilding-0.5.0.jar — drop this file into the mods folder
- Download size: 145 KB
- Download link checked 7 Sept 2026 — working
These come from our own check of the pack file, not from the source page.