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Fabric Mods for Minecraft 1.21

Browse 29 free Fabric mods for Minecraft 1.21 — popular picks include Ender Dragon Fight Remastered, Withering Heights: Revamped Wither, Nice Mobs Remastered.

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Ender Dragon Fight Remastered
1.20fabric

Ender Dragon Fight Remastered

A difficulty increase of Minecraft's final boss, with a focus on a somewhat Vanilla feel.

2.8Mdownloads
Withering Heights: Revamped Wither
1.21fabric

Withering Heights: Revamped Wither

Turning the Wither into something worth calling a boss.

651kdownloads
Nice Mobs Remastered
1.21fabric

Nice Mobs Remastered

Randomised mob equipment, 10 new mobs, 3 new bosses, a new late game dimension and more

199kdownloads
Boss Music Mod/Datapack
1.21fabric

Boss Music Mod/Datapack

This mod adds music that will play during epic frays against both the Wither and the Ender Dragon.

128kdownloads
Brutal Nightmare : Insane Difficult
1.16fabric

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.

84kdownloads
EvoPlus
1.21.4fabric

EvoPlus

Auxiliary mod for PrisonEvo mode of DiamondWorld project, which includes functionality of boss timers, quick menu, hotkeys for rune sets and many more various features.

83kdownloads
Boss Ultimatum
1.21.1fabric

Boss Ultimatum

Heal bosses when players die, or remove them!

32kdownloads
Boss Score Toggle
1.21.11fabric

Boss Score Toggle

Toggle bossbar and scoreboard visibility with commands!

28kdownloads
Configurable Boss Bars
1.21.1fabric

Configurable Boss Bars

A simple mod allowing for the configuration & stacking of boss healthbars

5.9kdownloads
Epic Battle Music
1.21fabric

Epic Battle Music

Automatically adds epic battle music when fighting bosses with 200+ HP within 80 blocks.

3.7kdownloads
Relics of Ruin
1.21.11fabric

Relics of Ruin

A custom weapon system featuring boss-themed swords with unique abilities and mechanics.

3.4kdownloads
Cobblemon Dungeon
1.21.1fabric

Cobblemon Dungeon

Create and edit custom Cobblemon dungeons directly in-game with areas, gates, trainer encounters, boss battles, Join NPCs, rewards, and JSON-based advanced customization.

2.7kdownloads
[WIP] DragonFist Legacy
1.21.1fabric

[WIP] DragonFist Legacy

(INCOMPLETE and WIP) Adds martial artists to Epic Fight, along with new content, structures, and mini-bosses throughout the world.

1.2kdownloads
koper_mod
1.21.11fabric

koper_mod

A chaotic Minecraft mod with unique bosses, broken armor sets, and a corrupted dimension a little unbalanced but fun as hell.

727downloads
ZApocalypse
1.21.1fabric

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.

579downloads
More Hide Gui
1.21.11fabric

More Hide Gui

This is a small mod that lets you hide unnecessary UI elements, specifically status effects and the boss bar. I originally created it for personal use, but I thought some of you might find it useful too! :)

453downloads
World's Whisper
1.21.1fabric

World's Whisper

Conquer shape-shifting bosses and craft elemental gear in a realm ruled by four mystical seasons.

332downloads
LootShare
1.21.1fabric

LootShare

Tired of divvying up loot after bossfights?

279downloads
Robot Legion
1.21.1fabric

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.

260downloads
Sleep Vote
1.21.8fabric

Sleep Vote

Sleep Vote adds a configurable multiplayer night skip voting system to Minecraft, letting all players vote to skip the night with interactive chat buttons, boss bar feedback, and optional automatic night votes.

167downloads
Project: TitanSlayer
1.21.10fabric

Project: TitanSlayer

Slaughter Mobs and Bosses in a Doom Style

160downloads
Chaos Structures
1.21.6fabric

Chaos Structures

Every 60 seconds, a random player is chosen and a random vanilla structure spawns nearby. Players receive countdown warnings and a bossbar timer, turning every world into unpredictable chaos.

122downloads
Zombieium
1.21.11fabric

Zombieium

Zombieium adds configurable night-time zombie waves and an optional boss encounter with a red warning beam, fiery arrival effects, and unique drops.

104downloads
BossHeart
1.21.7fabric

BossHeart

A mode that makes playing more comfortable

97downloads
Amethyst Age
1.21.8fabric

Amethyst Age

Expand Minecraft's amethyst progression with new tools, armor, weapons, food, a custom biome, Crystal Merchant, Crystal Warrior boss, advancements, and unique abilities like 3×3 mining, Tree Chopper, and Crystal Charge! 💜

51downloads
Telum Solaris - At the Forest's Edge
1.21.1fabric

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!

47downloads
randomitems-mod
1.21.1fabric

randomitems-mod

Adds /randomitems, /randommobs, /randomweapon, /randomarmor, /randomtool and /randomquest commands that periodically give random items, spawn random mobs, swap your gear, or assign 5-minute random quests with a boss bar and personal sidebar.

40downloads
Combat Effects Mod (1.21.1, 1.20.1) – Trigger Effects When Entities Enter Combat
1.21.1fabric

Combat Effects Mod (1.21.1, 1.20.1) – Trigger Effects When Entities Enter Combat

Combat Effects Mod provides an effects system when entities participate in combat, helping to enhance the combat experience. Supports the use of regex to customize the effect activation conditions. Various effects can be applied to each situation, from boss fights to PvP, creating flexible combat mechanisms. Features: Trigger effects when entities enter combat. Regex support […]

Aethelgard Odyssey
1.21.1fabric

Aethelgard Odyssey

Aethegard Odyssey is a medieval Minecraft modpack blending RPG mechanics with immersive exploration. It features custom dungeons, class-based progression. Expect challenging survival, magic, and epic boss fights.

1.1kdownloads