CurseForge · Minecraft mod
Shadow Slaves bosses
Fight your favorite characters as boss in this shadow slave mod
Quick answer
Which Shadow Slaves bosses release should I use?
Shadow Slaves bosses Sunless v18.jar targets 1.21.1 with Fabric. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is Shadow Slaves bosses 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 Shadow Slaves bosses Sunless v18.jar need?
Sunless v18.jar. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add Shadow Slaves bosses without breaking your instance.
Built for Shadow Slaves bosses Sunless v18.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use Sunless v18.jar. It targets 1.21.1 with Fabric; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 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 Sunless v18.jar. It opens that exact file at the source.
About this project
What does Shadow Slaves bosses add?
Welcome to the world of shadow slave bosses this a mod where you fight Minecraft bosses based of shadow slave characters by summoning them through commands or using the items through the creative menu for example, you can search up Sunless Summoner and right-click on the ground and it summons sunless for you to fight. After you defeat Sunless you get Shard of Sunless and when right click it allows you to detach you shadow and have it fight with you.
Project description from CurseForge.
Pick your setup
Shadow Slaves bosses by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.1
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Shadow Slaves bosses versions and loaders
Sunless v18.jar
10 Oct 2026
Sunless v15.jar
3 Oct 2026
Looking for an older file? The official CurseForge project page is in Resources.