Bosses Unleashed
Java mod listed for Minecraft 1.20. File opened and checked on 26 Sep 2026; downloads from the MC Java Mods app on Android.
⬇ Download on CurseForgeThe author built this one for Minecraft 1.20.1 on Forge. On other versions it may install and then do nothing.
Mobs :
1. Jellyfish
This li'll jellyfish can be found in special dimension.
In order to enter the dimension, you need to find a wormhole that can be found in end high lands.
If someone entered wormhole, it will be disappear after 10 seconds.
When you entered a dimension, you'll see this li'll jellyfish floating in air.
You can just watch it forever, or...
If you hit them, it will show it's real form
Below is video of the boss.
한국 분들은 아래의 영상도 시청해주세요!
Additional notes:
You'll revive in the dimension when die.
but once defeat the boss and enter the wormhole again, it will restore your original respawn point.
If jellyfish finished to create clones and start shooting orbs toward you, you can hit real one to make all clones disappear.
In final phase, you need to hit jellyfish to stop them, otherwise...
Drop Items :
1. Celestial Jelly
Material and food item.
Can be crafted to jellyfish armor set or jellyfish umbrella. (see JEI for recipe)
It will restore lot of hunger bar but will restore very low amount of saturation.
2. Celestial Core
Just material item, required for jellyfish chestplate and jellyfish umbrella.
3. Celestial Jellyfish Armor
Currently doesn't have special ability, just high defence
4. Celestial Jellyfish Umbrella
When folded, right click to use dash ability and make a trail of celestial orbs.
When unfolded, immune to fall damage and grants slow falling.
Art by Supreme King of cats
Some effects are from shader toy
- 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 bossesunleashed-1.0.3.jar — drop this file into the mods folder
- Download size: 2.0 MB
- Download link checked 8 Oct 2026 — working
These come from our own check of the pack file, not from the source page.