Fabric Mods for Minecraft 1.21
Browse 58 free Fabric mods for Minecraft 1.21 — popular picks include Ender Dragon Fight Remastered, DarkBosses - RPG Bosses Advancements, Mob AI Tweaks.
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Ender Dragon Fight Remastered
A difficulty increase of Minecraft's final boss, with a focus on a somewhat Vanilla feel.
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...
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!
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.
Wizard Tower
Adds a Wizard Tower along with a new wizard mob mini boss
Rival Trespassers
Fight survivalist minibosses in structures - just like you!
Take Back the Night
A Herobrine bossfight mod inspired by Fargo's Souls
Fantasy RPG - RPG Quests, Bosses & Magic | Fantasy & RPG
A new modpack that combines the best Fantasy and RPG mods!
Mythic Horizonss
An epic RPG & Adventure modpack for Fabric! Features overhauled combat, massive boss fights, breathtaking new biomes, and maximum FPS optimization.
Manifestation of the souls (JOJO MOD)
Manifest your soul as a stand, kill bosses, follow quest lines and find structures
Realmwalker
Magical invaders roam the land - bosses, weapons, and loot!

Adventurer's Beyond
Explore lost structures. fight dangerous bosses, and journey to the beyond in this epic mod.
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.
Relics Of The Fallen Gods
Relics Of The Fallen Bosses Adds custom Legendary Items that have a chance to drop when you kill a boss Items include: The wither Hammer Warden Chestplate and Ender Dragon Bow
Boss Warps
A lengthy escapade and a fierce scrimmage, followed by an effortless return home. Based on the Boss Rifts mod by jodlodi, but for the Modrinth ecosystem!
Relics Of The Fallen Bosses
Relics Of The Fallen Bosses Adds custom Legendary Items that have a chance to drop when you kill a boss Items include: The wither Hammer Warden Chestplate and Ender Dragon Bow
Cobblemon Origins Modpack
The best Cobblemon Modpack for performance, aesthetic and QOL features that you'll ever see. The server includes Raids, Ranked, Bosses, Player Gyms, Breeding, Cosmetics and so much more custom features!
MRPG - Massive Role Play Game
This Modpack is an Fantasy RPG Modpack with many news like Biomes Weapons Bosses Structures Leveling System and more
Relics of Ruin
A custom weapon system featuring boss-themed swords with unique abilities and mechanics.
Mystborn Horizons
A progression mod to add more ores, mobs, bosses and structures.
Castle and Farm
Farm and bossfight
CrisisCraft
This mod pack features Magic, Battles, Bosses, and a new immersive gameplay experience.
Endshards
A Minecraft Mod expanding the endgame with 3 new armor sets, a new dimension, and a new boss!
Vanilla Over The Top
This project adds multiple vanilla+ mods which add: An expansion to illagers, a much bigger and taller nether with new structures and bosses, a new way to get to the end, along with the end being reworked and also minecraft dungeons styled enchanting.
Summoner Mod
A mod that adds 4 bosses and 4 structures. Almost no dependencies!
koper_mod
A chaotic Minecraft mod with unique bosses, broken armor sets, and a corrupted dimension a little unbalanced but fun as hell.
X Journey
Dive into TX-Journey, where survival meets adventure, all with the classic vanilla feel. Build, craft, and explore a world filled with mysteries, from daily tasks to epic boss battles. Upgrade your enchantments and uncover endless possibilities.
Darkest Garden
Adds a new boss to the Pale Garden!!!
MCtale
Inspired by Hytale’s style, featuring colorful fantasy visuals, exploration-focused gameplay, RPG progression, dungeons, bosses, and a strong sense of adventure.
Tales of the Third Age - Balrog
Adds a Balrog Boss to your Middle Earth modding experience!
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
RealmsQuest
RealmQuest - Fabric, designed for players who love epic adventures with original dungeons, bosses, and spells. It features expanded biomes, new tools.
Secret of the Ancient City: Echo Dimension
The mod adds a spooky Echo Dimension, custom structures, powerful echo-based tools and armor, unique functional blocks, dangerous natural spawns, and a major boss fight against the Echo Warden Monarch.