HomeJava1.21

Minecraft Java 1.21 Mods

Browse 37 free mods for Minecraft Java 1.21 — popular picks include DivineRPG, Roguecraft, Nice Mobs Remastered.

Updated daily

FiltersBosses×Exploration×Robots×Clear all
DivineRPG
1.21.1neoforge

DivineRPG

8 New Dimensions ♦ 115+ New Mobs/Bosses ♦ Hundreds of New Blocks and Items ♦ Unique Weapons and Armor

551kdownloads
Roguecraft
1.21.11

Roguecraft

A game changing data pack that aims to turn Minecraft into a Roguelite game, including new mechanics, a new final boss, upgrades, abilities and way more

415kdownloads
Nice Mobs Remastered
1.21fabric

Nice Mobs Remastered

Randomised mob equipment, 10 new mobs, 3 new bosses, a new late game dimension and more

199kdownloads
Brutal Nightmare : Insane Difficult
1.16fabric

Brutal Nightmare : Insane Difficult

Minecraft too easy? Try this mods with nearly 40 modifiers - settings new mini bosses, which made minecraft become hard & insane. Enhanced hostile mobs' AI & Angry passive mob. Zombie place/break blocks. Skeleton,Spider,Creeper,Enderman.

84kdownloads
Vaults of Abandon
1.21.11

Vaults of Abandon

Conquer the Vault, in the Vaults of Abandon - Dungeon Datapack. Battle Epic Bosses, Explore vast dungeons, and utilize powerful magic. Access over 50+ Custom Items, and battle over 20+ Custom Mobs.

13kdownloads
Void's Titans
1.21.11

Void's Titans

This Datapack will add 28 new bosses and 4 new superbosses! The Titans are nothing short of walking calamities.

5.5kdownloads
Ea Nasir's Items and Bosses Pack
1.21.11

Ea Nasir's Items and Bosses Pack

Introduces new bosses, items, and more!

5.2kdownloads
Create Echoes of the Great Derailment
1.21.1neoforge

Create Echoes of the Great Derailment

Rebuild the Machine Age after the Great Derailment in a steampunk Create modpack with quests, staged progression, automation, colonies, bosses, exploration, custom mechanics, powerful machines, and a world full of secrets.

5.1kdownloads
Manifestation of the souls
1.21.1neoforge

Manifestation of the souls

Manifest your soul as a stand, kill bosses, follow quest lines and find structures

4.4kdownloads
Epic Bosses
1.21.1neoforge

Epic Bosses

A mod for epic bosses in minecraft that adds a lot of unique content.

4.0kdownloads
Improved Spiders
1.21.5

Improved Spiders

Adds 4 new types of spiders that can spawn as well as a spider queen boss that spawns in new spider den structures and many new items.

3.0kdownloads
Pirate Adventures
1.21.4

Pirate Adventures

Pirates is a huge project for the Minecraft game in the form of a DataPack. By installing the required ResourcePack and the DataPack itself, you get a large number of new mobs, items, blocks, mechanics, and bosses.

2.7kdownloads
Diary of an 8-Bit Warrior
1.21.1neoforge

Diary of an 8-Bit Warrior

Experience Aetheria like a Terrarian! Complete quests, kill bosses, and level up your skills! Maybe you'll even meet Runt and his friends…

2.0kdownloads
Nice Blockhead Mobs
1.21.4

Nice Blockhead Mobs

Adds cute, little Mobs (and 1 new Boss) made out of Miniblocks. No Ressource Pack required.

1.8kdownloads
RogueCraft Plus
1.21

RogueCraft Plus

An addon to the RogueCraft datapack! Adds new abilities, structures and a boss!

1.4kdownloads
Deepcraft
1.21.4neoforge

Deepcraft

A hardcore Minecraft mod with new ore, weapons, bosses, mobs, a unique dimension, haunting music, and forgotten secrets waiting to be uncovered.

1.3kdownloads
Elexir [CSD]
1.21.1neoforge

Elexir [CSD]

Step into ELEXIR - This modpack is magic, automation and adventure. Here you can explore the world as well as magic or mechanisms to make life easier. Ancient artifacts, bosses other worlds are created for gameplay variety

764downloads
koper_mod
1.21.11fabric

koper_mod

A chaotic Minecraft mod with unique bosses, broken armor sets, and a corrupted dimension a little unbalanced but fun as hell.

727downloads
Techless
1.21.4neoforge

Techless

A Mod that adds 3 new bosses with unique phases Fight them to craft Legendary weapons in this Vanilla+ progression mod Made using Mcreator

584downloads
Minecraft-The CATASTROPHE mod
1.21.8neoforge

Minecraft-The CATASTROPHE mod

Adds new bosses to the base game, and overhauls the progression

565downloads
Hyrinity (Legacy)
1.21.1neoforge

Hyrinity (Legacy)

An overall content mod adding progression, bosses, dimensions and more!

516downloads
World's Whisper
1.21.1fabric

World's Whisper

Conquer shape-shifting bosses and craft elemental gear in a realm ruled by four mystical seasons.

332downloads
SuperRH bosses
1.21.1neoforge

SuperRH bosses

This mod adds some uh cool stuff like a very strong boss and a total red biome

302downloads
UHC+
1.21.3

UHC+

A data pack that adds in UHC, but with additional features like augments, special items/equipment, and bosses that spawn in during the game.

291downloads
In the Journeys
1.21.1neoforge

In the Journeys

The mods expand Minecraft further with new ores, mobs, biomes, dungeons, bosses, and magic to discover.

251downloads
Trails of Forsaken Lands
1.21.1neoforge

Trails of Forsaken Lands

Adventures, a lot of bosses, and crystals!

249downloads
MagicAirdrops
1.21.4

MagicAirdrops

Replace boring airdrops with new events with various rewards and bosses.

199downloads
Godmode- wither rework
1.21.4neoforge

Godmode- wither rework

This mod entirely reworks the wither boss in minecraft, with custom loot, moveset, etc

166downloads
Inferno World
1.21.5

Inferno World

Dimension, epic boss battle, and tools inspired by a magical hell

143downloads
Artifacts and Bosses
1.21.1neoforge

Artifacts and Bosses

This mod adds new gems that can be collected from 4 new bosses

105downloads
Monsterwalll's Bosses And Stuff
1.21.1neoforge

Monsterwalll's Bosses And Stuff

A mod I made that adds Bosses, Structures and more! Note that this is my first mod so please comment what you think should be fixed in future mods.

50downloads
Endorium Mod
1.21.8neoforge

Endorium Mod

Endorium is an end-game expansion mod for Minecraft that introduces a new mini boss, new wood type and new tier of equipment beyond Netherite.

50downloads
BulsciCraft
1.21.4neoforge

BulsciCraft

Enjoy this brand new mod that adds New Dimensions, Mobs, Items, Blocks, Unusual things and even a bossfight...

47downloads
Explorer's Journal
1.21

Explorer's Journal

A chat-driven exploration journal. Discover biomes and structures, get notifications, details, toggle a bossbar, view your full journal with /trigger

46downloads
KingCraft [FORGE]
1.21.1neoforge

KingCraft [FORGE]

Travel to a different planet? Fight new bosses? Discover new game mechanics? Welcome here.

17kdownloads
The Fallen World
1.21.1neoforge

The Fallen World

This mod adds things like dimensions, blocks, items, mechanics, bosses, mobs, structures and much more!

6.5kdownloads