Fabric Mods for Minecraft 1.21
Browse 229 free Fabric mods for Minecraft 1.21 — popular picks include Take Back the Night, Loot Integrations: Mo' Structures, Desert Scourge.
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Take Back the Night
A Herobrine bossfight mod inspired by Fargo's Souls
Loot Integrations: Mo' Structures
Adds better loot to Mo' Structures chests and bosses, including modded loot
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 Whackers
OP Swords to one-hit Minecraft Bosses
Cobblemon - Poke Legends
Pokemon Cobblemon Pack - QoL and Performance mods! The server included in the pack has Raids, Gyms, Mega Evolution, Tera, Alpha Bosses, Paradox, Legendary Pokemon, GTS and more!
Boss Ultimatum
Heal bosses when players die, or remove them!
Fantasy RPG - RPG Quests, Bosses & Magic | Fantasy & RPG
A new modpack that combines the best Fantasy and RPG mods!
Boss Checklist - Mini Bosses Compat
Adds Warden to the Boss Checklist with mod compat.
Mythic Horizonss
An epic RPG & Adventure modpack for Fabric! Features overhauled combat, massive boss fights, breathtaking new biomes, and maximum FPS optimization.
Boss Score Toggle
Toggle bossbar and scoreboard visibility with commands!
Trial Guardians
Procedural Trial Chambers and Bosses!
Our Story - Earth
A large exploration and survival modpack with custom quests, world generation, dungeons, bosses, building, farming, and multiplayer adventure.
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!
RPG Origins - Rise of Power
An action-packed RPG modpack with custom Origins systems, unique weapons, epic bosses, challenging dungeons and an open world that rewards exploration and strategy.
Boss Results
Defeating a boss sends a clickable chat message that shows performance statistics for every participating player in that boss fight.
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.
The Catamount
The Catamount is a mix between an ambiance and a boss mod
Hostile Mob Better Configuration - HMBC
Hostile Mob Better Configuration gives you full control over hostile mobs in Minecraft. Attribute and behavior, or turn mobs into powerfupl boss variants to create a completely new difficulty and combat experience. Each mob can also have its own name.
Hords
Hords is a survival mod for Minecraft that spawns dangerous mob hordes led by powerful bosses.
Boss Checklist - Stellarity Compatibility
Integrates the Empress of Light boss from Stellarity as an entry in the Boss Checklist mod.
Loot Integrations: DungeonZ
Adds better loot to DungeonZ Structures and Bosses, including modded loot
Configurable Boss Bars
A simple mod allowing for the configuration & stacking of boss healthbars
Cobble+ SMP
This modpack brings together the Cobblemon mod with enhanced Minecraft gameplay, featuring breeding, TMs, new tools, bosses, and dungeons for an epic adventure.
Boss Checklist - Annihilation Recreated Compatibility
Integrates the Annihilation boss from Annihilation Recreated as an entry in the Boss Checklist mod.
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 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
[DCME] Dynamic Contextual Music Engine
Replaces vanilla music with a dynamic soundtrack that reacts to biomes, time of day, weather, battles, bosses, structures, etc. Fully customizable via resource packs and JSON; no programming required
⚔️ Chronicles of Valor | Mythic Edition ⚔️
Explore. Fight. Conquer. An immersive RPG modpack packed with epic bosses, new realms, and legendary adventures. ⚔️🌍✨
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