Minecraft Java 1.21 Mods

Browse 21 free mods for Minecraft Java 1.21 — popular picks include Withering Heights: Revamped Wither, Brutal Nightmare : Insane Difficult, Vaults of Abandon.

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21 mods

1.21fabric

Withering Heights: Revamped Wither

Turning the Wither into something worth calling a boss.

650kdownloads

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

1.21.11

Vaults of Abandon

Conquer the Vault, in the Vaults of Abandon - Dungeon Datapack. Battle Epic Bosses, Explore vast dungeons, and utilize powerful magic. Access over 50+ Custom Items, and battle over 20+ Custom Mobs.

13kdownloads

1.21.9

Moar Bosses

Moar Bosses adds 7 types of randomly spawning bosses into your Minecraft world. Each boss has 3-5 unique and crazy magical attacks, and drop cores that can be used to craft magic wands. The bosses have custom textures using Optifine or Reselect or CET.

8.3kdownloads

1.21.1fabric

Configurable Boss Bars

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

5.9kdownloads

1.7.2

KinglyBosses

KinglyBosses is a Minecraft plugin for managing custom bosses. It allows summoning powerful bosses, generating custom items, and enabling player spectating. It also offers features like boss lists, spawn zone management, and easy configuration reloading.

3.9kdownloads

1.21.11fabric

Relics of Ruin

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

3.4kdownloads

1.21.9

Random Bosses

The WASD Random Bosses Datapack turns naturally spawned mobs in the world into bosses. It was inspired by an old mod that is similar in function. Bosses spawn with random power levels, random sizes, and loot based on difficulty.

2.9kdownloads

1.21.4neoforge

Deepcraft

A hardcore Minecraft mod with new ore, weapons, bosses, mobs, a unique dimension, haunting music, and forgotten secrets waiting to be uncovered.

1.3kdownloads

1.21

Ranold's Boss Music (Datapack)

This is a work in progress resourcepack/datapack that adds boss music to bosses in minecraft!

844downloads

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

1.21.4neoforge

stupid horror mod

this is a joke horror mod that adds a scary biome, where you have to kill scary creatures to collect scary souls to later craft into a boss altar and fight the boss. there is an ingot with good weapons that can take down most of the scary creatures.

710downloads

1.21.1neoforge

Crowned Herobrine [LEGACY]

Adds a new boss called Crowned Herobrine that is a formidable opponent. He drops a useful crown ;)

441downloads

1.21

NexusMobs

NexusMobs is a comprehensive RPG plugin that transforms your Minecraft server by introducing over 20 unique bosses

301downloads

1.21.1neoforge

Sauling of Ascension

A wacky mod that turns minecraft into a boss and tech based progression game!

190downloads

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

1.21.11

Sculk Wrath

Sculk Wrath is a complete Warden boss overhaul datapack that transforms the Warden into a 4-phase boss fight with custom attacks, boss bar, music, configurable drops, and dramatic animations.

122downloads

1.21.8neoforge

Nation's Roots

Nation's Roots - a mod where you choose one of 4 Races with unique Nations. Your choice grants powers and flaws. Find a Star to change your Nation and defeat a race boss to claim their legendary weapon. Your roots define your power.

92downloads

1.21.4neoforge

BulsciCraft

Enjoy this brand new mod that adds New Dimensions, Mobs, Items, Blocks, Unusual things and even a bossfight...

47downloads

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.

39downloads

1.21.8neoforge

Chariz's Mayhem

A Minecraft Mod That Aims To Add Fun Things Into Minecraft, Such As New Mobs, Bosses, Weapons, Tools, Armor etc. Created By The Maniac Himself, DarkChariz

39downloads