Minecraft Java 1.21 Mods
Browse 513 free mods for Minecraft Java 1.21 — popular picks include Advent Of Ascension, DivineRPG, Cobblemon Ultra Wormholes.
Updated daily
Advent Of Ascension
An all-in-one RPG mod with new skills, weapons, armour, mobs, bosses, dimensions, and more!
DivineRPG
8 New Dimensions ♦ 115+ New Mobs/Bosses ♦ Hundreds of New Blocks and Items ♦ Unique Weapons and Armor
Cobblemon Ultra Wormholes
Server Raid-like Ultra Wormhole events that spawn boss Ultra Beasts for players to battle and catch.
Terra Entity
A mod encompasses numerous Terraria monsters and bosses, and constitutes one of the submodules integrated within the larger mod, Confluence.
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
Wizard Tower
Adds a Wizard Tower along with a new wizard mob mini boss
simple boss damage cap
mod adds damage cap for bosses
Slayer's Beasts
Explore new structures and biomes to face off against beasts and bosses on the surface, or in treacherous dungeons.
Bloxy's Structures
Adds more Structures to Minecraft with 4 new Bossfights!
Undefeatables
Adds mini-bosses to your minecraft experience.
Toybox
Adds a toy/soft-play/party themed dimension, with many places to explore and a boss to fight
Unknown5473lib
A universal code library prerequisite for mods created by Unknown5473,Provides a Boss mob template library and screen effects..
Rpg: Better Elder Guardian
Makes the ElderGuardian a proper boss with custom attacks, increased health and special drops
Infernal Mobs
Mobs can become Infernal boss mobs and drop cool loot!
Nice Mobs Remastered
Randomised mob equipment, 10 new mobs, 3 new bosses, a new late game dimension and more
LUMINOUS: HALLOWEEN
Bring a spooky new boss to your Minecraft World!
Daily Boss
Adding daily boss event into Minecraft
Arda's Sculks (Ancient City Portal / Deep Dark Dimension)
Arda's Sculks mod is a mod that improves the ancient city in the game and offers the ability to open the ancient portal in the ancient city. This mod adds many deep dark biomes to the game and many boss creatures found in these biomes.
Chrono Dawn
Adds Chrono Dawn, a time-themed dimension with custom portals, boss battles, and time-manipulating artifacts. Supports Fabric & NeoForge.
Rival Trespassers
Fight survivalist minibosses in structures - just like you!
MythicMobs
Create custom mobs and bosses with advanced skills, attributes, equipment, and more!
Souls-like universe: Epic Fight updated
Updated Version of an Addon for Epic Fight that adds Souls like mobs and Bosses to the game
Multiplayer Bosses
A server-side mod that makes boss health and loot drops scales to player count.
Super Bosses
Any Monster can randomly spawn as a SUPER BOSS!!!
Winter update
This mod adds a lot of content to winter biomes. Starting from ordinary reindeer, ending with various bosses.
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.
Take Back the Night
A Herobrine bossfight mod inspired by Fargo's Souls
Apocalyptic Bosses
Michi'sProject
Age Of Dragons
Age of Dragons is a dark fantasy Minecraft mod featuring elemental dragons, custom classes, cinematic boss fights, and lore-driven progression. Face ancient trials, challenge forgotten kings, and uncover the truth behind the Dragonlands.
EliteMobs
Minidungeons, Arenas, Bosses, Custom Loot, Quests, MMORPG progression & more!
Desert Tombs
Adds a giant Tomb to desert biomes, introducing new mobs: the Scorpion, the Mummy, and a Pharaoh mini-boss.
Desert Scourge
Adds new unique boss in desert, based on Calamity Mod
Mocha's Complicated Bosses
Adds multiple difficult bosses with complicated AI and unique equipment
Antarchy
A re-imagining of the classic Orespawn mod adding 45+ mobs, 8+ bosses, 3 fleshed out dimensions, and more
Gravestone Dungeons Data Pack
This data pack adds dozens of small and massive dungeons, bosses, custom loot, magic spells, many custom weapons, enchantments and much more!
The Old One
Adds a new boss. Also adds two new items and two new swords.