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Minecraft Java 1.21 Mods

Browse 1,187 free mods for Minecraft Java 1.21 — popular picks include Gateway of Doom, Announcer Plus, Fragments of Gugugaga.

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1,187 mods

1.21.1neoforge

Gateway of Doom

Throw a Devil Eye to open a configurable combat gateway. Survive random or fixed waves, bosses and timed challenges for rewards—or suffer debuffs. Includes auto gateways, custom mobs, profiles, admin menus, commands, diagnostics, plus a stable add-on API.

10.0kdownloads

1.8.8

Announcer Plus

Custom Join/Quit messages and auto-broadcasts! Text animations, Boss Bars, Titles. and much more!

9.9kdownloads

1.21.4neoforge

Fragments of Gugugaga

+5 dimensions, +6 bosses, all chained together. 4 main elements that will be used everywhere.

9.9kdownloads

1.21fabric

bosses' addition

a great challenge for those who are bored from vanilla, all in vanilla.

9.8kdownloads

1.21.1neoforge

Daily Boss x Iron's Spells n Spellbooks

Compatibility between Daily Boss and Iron's Spells 'n Spellbooks.

9.7kdownloads

1.21.7forge

Slammer Boss

a mod that adds a new boss to the game

9.7kdownloads

1.21.11fabric

Ultimate Warden

A Datapack/Mod that enhances the Warden with a custom Dungeon, a Temple, boss battles, and more.

9.6kdownloads

1.21.1neoforge

KonoSuba: God's Blessing on This Wonderful World

KonoSuba, a God's blessing on this wonderful Minecraft world. Dungeons, bosses, magic and Megumin's hat, what more could you want?

9.5kdownloads

1.21.1neoforge

Confluence Infernum Music

Adds Infernum Music to Confluence: Otherworld (TerrariaCraft) bosses

9.4kdownloads

1.9

Broken Heart of Ender (Dragons)

Replaces "Boss" with "Broken Heart of Ender" from Minecraft Dungeons: Echoing Void!

9.0kdownloads

1.9

Ender Dragon Battle(mode 2)

Replaces "Boss" with C418's "Battlemode 2" from Legacy Console's Battle Mini-Game!

9.0kdownloads

1.21.1neoforge

The Catamount

The Catamount is a mix between an ambiance and a boss mod

8.7kdownloads

1.21.11fabric

Hostile Mob Better Configuration - HMBC

Hostile Mob Better Configuration gives you full control over hostile mobs in Minecraft. Attribute and behavior, or turn mobs into powerfupl boss variants to create a completely new difficulty and combat experience. Each mob can also have its own name.

8.6kdownloads

1.21.9

Moar Bosses

Moar Bosses adds 7 types of randomly spawning bosses into your Minecraft world. Each boss has 3-5 unique and crazy magical attacks, and drop cores that can be used to craft magic wands. The bosses have custom textures using Optifine or Reselect or CET.

8.3kdownloads

1.21.10fabric

Hords

Hords is a survival mod for Minecraft that spawns dangerous mob hordes led by powerful bosses.

8.2kdownloads

1.21.1neoforge

Krakentilus

Adds the Krakentilus boss, 2 unique Nautilus variants and 3 spears

8.2kdownloads

1.21.1neoforge

Ambience Mini

Play custom music based on player-state, locations, biomes, dimensions, combat, bosses, etc.

7.8kdownloads

1.21.11neoforge

Sol's Indicator (Damage, Entity Health, Custom Boss Bar HUD, and more!)

A lightweight mod that gives you real-time visual feedback on every hit you land. Know exactly how much damage you're dealing, with razor-sharp accuracy right as it happens.

7.7kdownloads