CurseForge · Minecraft mod
Blackey's Boss Battle
Blackey's Boss Battle is a mod that adds powerful and unique bosses to the game.
Quick answer
Which Blackey's Boss Battle release should I use?
Blackey's Boss Battle blackeys-boss-battle-1.6.3.jar targets 1.21.1 with NeoForge. The project page does not say whether this file belongs on the client, dedicated server, or both. All 1 required mods have matching files.
Where it goes
Is Blackey's Boss Battle required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does Blackey's Boss Battle blackeys-boss-battle-1.6.3.jar need?
blackeys-boss-battle-1.6.3.jar. Change the file and its required mods may change too.
Install GeckoLib first. We found matching files for this game-version and loader setup.
We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Blackey's Boss Battle without breaking your instance.
Built for Blackey's Boss Battle blackeys-boss-battle-1.6.3.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use blackeys-boss-battle-1.6.3.jar. It targets 1.21.1 with NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install GeckoLib first. We found matching files for this game-version and loader setup.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside blackeys-boss-battle-1.6.3.jar. It opens that exact file at the source.
About this project
What does Blackey's Boss Battle add?


Blackey's Boss Battle is a mod that adds powerful and unique bosses to the game.
Requires Geckolib 4.9.3.
Also, I have absolutely no plans to port this to Fabric. Please do not ask about or port this mod without permission.
I am a Korean modder, and my English isn't very good, so please kindly understand!
Boss List
**Ibel
**A lady who makes herself comfortable in scenic places, sipping tea while waiting for something interesting to happen. She possesses vast knowledge of items.
**Guard Captain
**A steadfast and powerful villager who guards the town.
The Galaxy Witch, Blanche

Blanche, a quiet and beautiful witch who observes the galaxy, has been sealed within the Starfall Observatory, watching your every move all along. Now, it seems she is ready to test you.
Head Chef, Corona
Corona, the Illager Chef notorious as the Human Butcher. Stop his slaughter and rescue the villagers!
**Joyful Reaper
**Here stands the most jovial—yet utterly lazy—Grim Reaper in all the realms. Time to snap him out of his slacking and set his mind straight.
**Blastray & Dashblaze
**A pair of automaton siblings created by the genius scientist Dr. Legato, modeled after Blanche. While Blastray restrains targets from afar with lasers, Dashblaze closes in to burn them to ashes.
**The Annihilator
**A mechanical dragon created by the genius scientist Dr. Legato, modeled after the Ender Dragon. It is heavily armed with powerful missiles, probes, and lasers.
**Wither Zero
**A mechanical demon created by the genius scientist Dr. Legato, modeled after the Wither. It is a formidable abomination that attacks fiercely with four distinct weapons.
**Luna, The One Who Waits
**One of the 'Great Three' alongside Dr. Legato and Black. Having observed everything you have done, she is now ready to put you to the test in earnest.
**The Indomitable Fortress, Lionheart
**An indomitable fortress built by the Illagers, bombarding enemies under the command of Illager Duke Victor.
**Undying Harpy, Fotifo
**An immortal, ageless Harpy who fights using dirty, childish, and underhanded tactics.
**Lord of Twelve, Qilin
**qilin, a lord who commands the soldiers of the Zodiac, awaits formidable warriors capable of defeating him, eagerly watching to see if you might be one of them.
**The Decay
**Known by titles such as the King of All Sculk and the Sovereign of Corruption, The Decay is the culprit who sent his cells to infect the Sift and the Overworld. He mercilessly slashes his enemies with 'The Nihility,' a whip-sword.
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Banner by Gyulmyul
Project description from CurseForge.
Pick your setup
Blackey's Boss Battle by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.1
1 loader build1.20.1
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Blackey's Boss Battle versions and loaders
blackeys-boss-battle-1.6.3.jar
25 Oct 2026
blackeys-boss-battle-1.6.2.jar
25 Oct 2026
blackeys-boss-battle-1.6.1.jar
25 Oct 2026
blackeys-boss-battle-1.6.0.jar
24 Oct 2026
blackeys-boss-battle-1.5.0.jar
24 Oct 2026
blackeys-boss-battle-1.4.0.jar
21 Oct 2026
blackeys-boss-battle-1.3.1.jar
19 Oct 2026
blackeys-boss-battle-1.3.0.jar
19 Oct 2026
blackeys-boss-battle-1.2.0.jar
18 Oct 2026
blackeys-boss-battle-1.1.1.jar
17 Oct 2026
blackeys-boss-battle-1.1.0.jar
17 Oct 2026
blackeys-boss-battle-1.0.2-forge-1.20.1.jar
16 Oct 2026
Looking for an older file? The official CurseForge project page is in Resources.