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Brutal Bosses - Custom BossesMinecraft mod for 1.21.1

Adds 29+ Bosses to dungeons and structures. Allows custom boss creation through datapacks

newest supported 1.21.1Adventure RpgWorld Mobs
Latest version
brutalbosses-1.21.1-8.6.jar
Minecraft
1.16.5 to 1.21.1
Java
Java 21+
Loaders
NeoForge, Fabric, Forge
Licence
not stated
Downloads
20.2M
Updated
3 mo ago
Available on
CurseForge

Screenshots

Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.

Minecraft versions

Every version Brutal Bosses - Custom Bosses declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1NeoForge, Fabric, Forge21+declared8 Aug 2024
1.21Forge, NeoForge, Fabric21+declared13 Jun 2024
1.20.1NeoForge, Fabric, Forge17+declared12 Jun 2023
1.20Forge, NeoForge, Fabric17+declared2 Jun 2023
1.19.4NeoForge, Forge, Fabric17+declared14 Mar 2023
1.19.3NeoForge, Fabric, Forge17+declared7 Dec 2022
1.19.2NeoForge, Forge, Fabric17+declared5 Aug 2022
1.19.1NeoForge, Fabric, Forge17+declared27 Jul 2022
1.19NeoForge, Fabric, Forge17+declared7 Jun 2022
1.18.2NeoForge, Fabric, Forge17+declared28 Feb 2022
1.18.1NeoForge, Fabric, Forge17+declared10 Dec 2021
1.16.5NeoForge, Fabric, Forge8+declared14 Jan 2021

Download

From Brutal Bosses - Custom Bosses’s own host. Nothing is re-hosted here.

All 40 releases
brutalbosses-1.21.1-8.6.jarrelease22 Feb 2026

brutalbosses-1.21.1-8.6.jar · 0.2 MB · for 1.21.1

Download latest
47154ce207ca…
Older versions24
  • brutalbosses-1.21-8.5.jar20 Feb 20261.21.10.2 MB456 downloads294fde526a0c…Get
  • brutalbosses-fabric-1.21-8.5.jar20 Feb 20261.21.10.2 MBeea7c6cdf02d…Get
  • brutalbosses-fabric-1.20.1-8.5.jar20 Feb 20261.20.10.2 MBd5c26a816aa8…Get
  • brutalbosses-1.20.1-8.5.jar20 Feb 20261.20.10.2 MBf3f9cb549dd7…Get
  • brutalbosses-fabric-1.21-8.4.jar18 Sept 20251.21, 1.21.10.2 MB58.4k downloads5aa2b11709a1…Get
  • brutalbosses-fabric-1.20.1-8.4.jar18 Sept 20251.20.10.2 MB84169e6d3f81…Get
  • brutalbosses-1.21-8.4.jar18 Sept 20251.21, 1.21.10.2 MBd87b9f5c86c2…Get
  • brutalbosses-1.20.1-8.4.jar18 Sept 20251.20.10.2 MB30ecd33d8b16…Get
  • brutalbosses-fabric-1.21-8.3.jar5 Sept 20251.21.10.2 MB16ab430da6ab…Get
  • brutalbosses-fabric-1.20.1-8.3.jar5 Sept 20251.20.10.2 MB8694f520c1b6…Get
  • brutalbosses-1.21-8.3.jar5 Sept 20251.21.10.2 MBb363ed65a903…Get
  • brutalbosses-1.20.1-8.3.jar5 Sept 20251.20.10.2 MB02142e71265d…Get
  • brutalbosses-fabric-1.21-8.2.jar6 Jun 20251.21, 1.21.10.2 MB894 downloads2584aca9aff3…Get
  • brutalbosses-fabric-1.20.1-8.2.jar6 Jun 20251.20.10.2 MBb912d10a2702…Get
  • brutalbosses-1.21-8.2.jar6 Jun 20251.21, 1.21.10.2 MBc522363f89cc…Get
  • brutalbosses-1.20.1-8.2.jar6 Jun 20251.20.10.2 MB0e59c3f66dc4…Get
  • brutalbosses-fabric-1.21-8.1.jar5 May 20251.21, 1.21.10.2 MB8.9k downloads3f296b3a8ff2…Get
  • brutalbosses-fabric-1.20.1-8.1.jar5 May 20251.20.10.2 MB1.6k downloadsb4f2e153a73e…Get
  • brutalbosses-1.21-8.1.jar5 May 20251.21, 1.21.10.2 MB2.6k downloadsff3090d28eb1…Get
  • brutalbosses-1.20.1-8.1.jar5 May 20251.20.10.2 MB13.0k downloadsaf7306b63649…Get
  • brutalbosses-fabric-1.21-8.0.jar12 Feb 20251.21, 1.21.10.2 MB16.2k downloads331e4771faa1…Get
  • brutalbosses-fabric-1.20.1-8.0.jar12 Feb 20251.20.10.2 MB113.6k downloads649fba355e4e…Get
  • brutalbosses-1.21-8.0.jar12 Feb 20251.21, 1.21.10.2 MB17.6k downloads17e37a7502f7…Get
  • brutalbosses-1.20.1-8.0.jar12 Feb 20251.20.10.2 MB182.2k downloads890e26bc57ca…Get

Frequently asked

Does Brutal Bosses - Custom Bosses work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Brutal Bosses - Custom Bosses declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does Brutal Bosses - Custom Bosses support?

Everything the author has declared, from 1.16.5 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

Which loader does Brutal Bosses - Custom Bosses need?

NeoForge, Fabric, Forge. A build for one loader will not load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for Brutal Bosses - Custom Bosses?

On the newest Minecraft release it supports, Java 21 or newer. The requirement comes from the Minecraft version you run rather than from the mod itself, so on an older supported Minecraft the answer is that version's Java, not this one.

How do I install Brutal Bosses - Custom Bosses?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download Brutal Bosses - Custom Bosses safely?

From the author's own page on CurseForge, which is where the data here is synced from. MCReference never mirrors, re-hosts or repackages a file: every download button points at the original source, so you get exactly what the author published.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

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Last checked 1 mo ago against CurseForge. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

Is this information wrong or missing something? .