Fabric Mods for Minecraft 1.21
Browse 103 free Fabric mods for Minecraft 1.21 — popular picks include Bosses of Mass Destruction, AdventureZ, Brutal Bosses - Custom Bosses.
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Bosses of Mass Destruction
WIP mod that adds boss fights to minecraft
AdventureZ
a new endboss and other creatures
Brutal Bosses - Custom Bosses
Adds 29+ Bosses to dungeons and structures. Allows custom boss creation through datapacks
Marium's Soulslike Weaponry
New bosses and legendary weapons!
True Ending ~ Ender Dragon Overhaul
True Ending: Ender Dragon Overhaul Public A dramatic overhaul to the Ender Dragon boss fight. New attacks and elegant particle animation come together to form a more satisfying ending.
Ender Dragon Fight Remastered
A difficulty increase of Minecraft's final boss, with a focus on a somewhat Vanilla feel.
The Ghast Cow
Adds a Ghast Cow mini-boss
Pumpkillager's Quest
🎃 SpookyJam 2022: Help out the Pumpkillager! With custom encounters, rewards and a boss fight you'll get immersed in the story. Spawn him by breaking a pumpkin in this spooky scary Halloween style mod!
DarkBosses - RPG Bosses Advancements
RPG boss summoning information and grants extra experience for defeating bosses
Mob AI Tweaks
Tweaks certain mob AIs, major or minor. Reworks the Wither and Ender Dragon boss fights!
Epic Paladins
new powerful Armors and Tools with custom 3D-models, bosses and more...
Formidulus
Adds a Challenging Soulslike Boss
Tensura: Not Enough Bosses
Official Addon for Tensura: Reincarnated adding new bosses to the game for quests.
ANARCHY Minibosses (RPG Series Plus)
Rogue Exile inspired Faction mod!
Withering Heights: Revamped Wither
Turning the Wither into something worth calling a boss.
Mebahel's Creatures - Draugr Invasion
This mod introduces a full bestiary of Draugrs inspired by Skyrim, a boss with advanced AI, powerful magical items, shared multiplayer chests, new structures, and a raid system that turns the player into the hunted.
Cobblemon Ultra Wormholes
Server Raid-like Ultra Wormhole events that spawn boss Ultra Beasts for players to battle and catch.
Wizard Tower
Adds a Wizard Tower along with a new wizard mob mini boss
Slayer's Beasts
Explore new structures and biomes to face off against beasts and bosses on the surface, or in treacherous dungeons.
Nice Mobs Remastered
Randomised mob equipment, 10 new mobs, 3 new bosses, a new late game dimension and more
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!
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
Desert Scourge
Adds new unique boss in desert, based on Calamity Mod
Antarchy
A re-imagining of the classic Orespawn mod adding 45+ mobs, 8+ bosses, 3 fleshed out dimensions, and more
Boss Ultimatum
Heal bosses when players die, or remove them!
Boss Checklist - Mini Bosses Compat
Adds Warden to the Boss Checklist with mod compat.
Trial Guardians
Procedural Trial Chambers and Bosses!
Realmwalker
Magical invaders roam the land - bosses, weapons, and loot!
More Gear
This mod adds 15 new sets of armor and tools; four are based off of vanilla items and the rest off of new ores which can be found throughout the dimensions! There is also a new custom structure in the End dimension holding a new boss called the Shrike!
Adventurer's Beyond
Explore lost structures. fight dangerous bosses, and journey to the beyond in this epic mod.
The Nether Dungeons
I have added a dungeon that spawns at the depths of the nether which has a summing room where you have a chance to summon 3 different bosses.
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.
bosses' addition
a great challenge for those who are bored from vanilla, all in vanilla.
Ultimate Warden
A Datapack/Mod that enhances the Warden with a custom Dungeon, a Temple, boss battles, and more.