Fabric Mods for Minecraft Java
Browse 230 free Fabric mods for Minecraft Java — popular picks include Wands & Wizardry, Colossus Boss, [WIP] DragonFist Legacy.
Step by step: How to install Minecraft Java mods & modpacks
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Wands & Wizardry
Bringing Noita's spell system to Minecraft with fully modular wands, over 60 spells, a new boss fight and more!
Colossus Boss
Giant boss formed from the environment and attacking and hurling chunks of environment at you!
[WIP] DragonFist Legacy
(INCOMPLETE and WIP) Adds martial artists to Epic Fight, along with new content, structures, and mini-bosses throughout the world.
Bossmode
Bossmode is the difficulty above hardcore that turns every mob into a boss fight, including passive mobs. Can you survive?
DarkenDepths
A Mod extending the Deep Dark and creating a new biome adds a new boss and other cool items
Boss Checklist - Mob AI Tweaks Compatibility
Integrates the Ominous Phantomare boss as well as the reworked Elder Guardian and Ravager from Mob AI Tweaks as entries in the Boss Checklist mod.
Summoner Mod
A mod that adds 4 bosses and 4 structures. Almost no dependencies!
EEEAB's Mobs [Unofficial]
Unofficial port of EEEAB's Mobs - challenging bosses, mobs, structures and gear. Original mod by EEEAB.
ZApocalypse
ZApocalypse is a Fabric mod for 1.21.1 that turns every night into a zombie wave, with elite variants, blood nights, and a Zombie Lord boss. As the apocalypse escalates, zombies evolve unique abilities while other hostile mobs retreat deep below Y=25.
koper_mod
A chaotic Minecraft mod with unique bosses, broken armor sets, and a corrupted dimension a little unbalanced but fun as hell.

PlasmaMod (UNMAINTAINED)
A fabric mod that adds a full set of new tools and mobs including a boss that is all plasma themed.
BLACKSOULS II
A hardcore dark-fantasy RPG mod with custom stats, skills, bosses, souls, weapons, accessories, and brutal combat mechanics.
Planetary Diaries
Epic Space Mod to extend your two week survival fase! With a brand new dimension with all new PLANETS you can discover over 20+ structures, new resources, blocks, creatures and even custom BOSSES!
Blobby Mod
Add’s a new biome in the void dimension. It also gives you a new Boss in swamps.
Nightlancer
Adds an ominous boss on horseback
The Echo
A terrifying Fabric horror mod featuring system glitches, fake player activities, and sanity day progression. Escape a stalking entity in nightmare dimensions and stabilize the simulation by defeating the final boss, The Echo.
Minecraft... But Enhanced!
A Vanilla+ Modpack with immersive gameplay, Reworked Mobs and Difficulty, More Structures, Reworked Bosses, More Music, and More!
Homelantor
A Homelander boss addon for TerminatorStar featuring advanced AI, hunting behavior, and powerful combat abilities.
Breeze Island
Adds a sky island with loot and a boss fight.
Kevosaurus Rex
Adds new boss - Kevosaurus Rex and Kevocitaptor, it's minion.
creeper-apocalypse
Mob Replacement System ALL mobs spawn as Creepers! with exceptions Exceptions that remain normal Blazes you still need blaze rods! Villagers or trading Ender Dragon final boss remains Iron Golem
Tales of the Third Age - Balrog
Adds a Balrog Boss to your Middle Earth modding experience!
Darkest Garden
Adds a new boss to the Pale Garden!!!
Robot Legion
Build a steampunk robot army. Workers automate jobs while combatants fight beside you through three boss dungeons. Trade with engineer villagers for rare parts.
Muck Bosses
A Mod that add Muck Bosses To Minecraft!
World's Whisper
Conquer shape-shifting bosses and craft elemental gear in a realm ruled by four mystical seasons.

Skillbound-RPG
Skillbound transforms Minecraft into a classic RPG with level-based skills, improved combat progression, magic, prayers, Slayer tasks, bosses, new equipment, and rewarding unlocks as you advance from levels 1–99.
Mine RPG
This is combination of mods to add more content to Minecraft including bosses, biomes, creatures. This is more RPG adventure style while keeping all vanilla. No extra metals or materials are added on this pack.
online horror mod
this mod adds both momo and blue whale as boss mobs to Minecraft

LootShare
Tired of divvying up loot after bossfights?
The Umbral Eye / 虚空の蝕王オクルス
A floating, void-themed endgame boss summoned by ritual. The Umbral Eye fights across three telegraphed phases — tuned so that even full netherite, a beacon, and golden apples make for only a knife's-edge win. 祭壇の儀式で召喚する浮遊ボス「虚空の蝕王オクルス」を追加。予兆付きの3段階で戦う
Warden Boss Bar
Ever thought the Warden should deserve a boss bar, due to the large amount of HP it has (500 HP)? Then this mod is for you.
Chill&Stay
This is a modpack for my private smp, includes new building blocks, new foods, mobs some new bosses and enemys, a lot of QoL features, and the necessery optimanizations
Nether chambers
Adds custom trial chambers, mace, boss and items to the nether
blazeQOL
Minecraft mod for Hypixel Skyblock which features QOL for Blaze Slayer giving you a HUD with general information about the current boss.
The Division
The Division adds two new dimensions, bosses, gear, and a narrative about creation and destruction. Explore a cybernetic realm and the corrupted "Beginning", forge legendary weapons, and uncover the secret behind the divide between worlds.