Fabric Mods for Minecraft 1.21
Browse 30 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
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
Mystborn Horizons
A progression mod to add more ores, mobs, bosses and structures.
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.
Darkest Garden
Adds a new boss to the Pale Garden!!!
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
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.
Raijin's Wrath
Unleash the wrath of Raijin — a Fabric adventure of thunder-forged gear, lightning-touched foes, summonable bosses, sacred shrines, and an in-game compendium guiding your ascent.
Creations Of Tygrys
Mod made for fun, adding new boss, dimension and structures!
Cake Tower HUD Plus
HUD overhaul and optional server-side combat stats for the Cake Team Towers · Chapter 3 map—health, hearts, resources, team/mob 3D bars, stats panel, boss-bar toggles; v6+ damage attribution, K/A/D taken, DPS, session history. Auto-hides elsewhere.
Trick Quiver
An archery combat mod: switch between 12 magic arrows, craft bow attachments, battle clockwork archers, and raid a Japanese-style boss shrine. One arrow solves everything.
The Legend Returns
Herobrine has returned. Cursed structures, shadow clones, epic boss fight, and dark portals await. Survive the apocalypse.
Telum Solaris - At the Forest's Edge
Telum Solaris aims to add new weapons, armor and boss to minecraft for every stage of minecraft's progression. It is currently my first and only project!
Anarchy Mod (1.21.1, 1.20.1) – Powerful Minibosses
Anarchy Mod introduces tougher minibosses and rare wandering hostile mobs “Forsaken Adventurers” with unique gear and drops. There are special “Ancient Trials” structures where stronger versions of these minibosses roam, and defeating them gives access to more powerful loot. Features: Several minibosses, each with different combat styles (Juggernaut, Rogue, Mercenary, Fire Archmage, Templar). Rare boss […]
Eternal Starlight Mod (1.21.1, 1.21) – Hunt Down Powerful Bosses
Eternal Starlight Mod adds a magical and mysterious new world called the Starlight Dimension. This realm is filled with strange biomes, new mobs, and powerful bosses to challenge you. To begin your journey, you must find the Starlight Portal Ruins in the Overworld and face The Gatekeeper. The mod also includes new tools, weapons, and […]
Blood Toll Pistol
The Blood Toll Pistol is a cursed weapon that deals 1000 damage to mobs, less to bosses. Right-click to fire a magical bullet with effects. Each shot costs 5 hearts, 3s cooldown, 100-use durability.