Minecraft Java 1.21 Mods
Browse 78 free mods for Minecraft Java 1.21 — popular picks include Sauling of Ascension, Garfield Mod, The All Powerful Ender Chicken.
Updated daily
Sauling of Ascension
A wacky mod that turns minecraft into a boss and tech based progression game!
Garfield Mod
Adds Garfield as a hungry, whining boss fight – beat him and claim your well-earned lasagna!
The All Powerful Ender Chicken
Minecraft's hardest boss!
Villager BOSS MOD
Defeat the Crazy Villager BOSS!
The Choppa Age Update
This mod adds Choppas, Chopper Golems, Choppa Chests, and a new Choppa Golem boss to Minecraft. There are new items such as the cleavers, and a new extremely common biome called the wastelands.
Boogers & Snot
This minecraft mod gives you the ability to pick your nose, go to a new dimension, and even beat a boss!
KLAUS
simple mod that adds an evil santa klaus bossfigh
GiantZombie
summon and battle a colossal zombie boss with customizable stats and drops!
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.
CaseOh Bossfight
Lets you turn into CaseOh
Brian's Boss Items
Plugins that adds custom Boss Items
ADKM
Defeat a powerful, giant boss roaming your world to claim his legendary Scythe with +16 Attack Damage! A high-risk, high-reward challenge. (Requires GeckoLib)
YouTuber Block Telugu Edition
A fun Minecraft mod featuring famous Telugu YouTubers, custom blocks, and epic bosses like Evil YouTube
Big Weaponsmith
Replaces a Weaponsmith with the well-known Big Boss.
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.
The Legend Returns
Herobrine has returned. Cursed structures, shadow clones, epic boss fight, and dark portals await. Survive the apocalypse.
The Bob Mod!
The Bob Mod adds, you guessed it, Bob! Bob can fly around his bob castle, and his portal room to the Bob dimension. The Bob chicken is also added, and is a brand new boss to fight!
FoggyBar
Very customizable boss bar plugin (can create fog and darken screen)
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.
BulsciCraft
Enjoy this brand new mod that adds New Dimensions, Mobs, Items, Blocks, Unusual things and even a bossfight...
Osimu Boss Fights
This mod adds very unforgiving bosses and cool rewards. Most of them will be glass cannons, strength alone won't be enough.
⚡EvilMobs - Create your custom bosses
Multifunctional Bosses with simple configuration
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.
Floreláis
Created in 1 week for my high school art class. It is a very basic mod adding 6 flowers and a boss. Similar feel as old 1.7.10 mods.
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
Giant Boss
giant bossfight datapack using vanilla minecraft
Everything Bossbar UW add-on
This Datapack adds Bossbars for every mob
Exto
This mod adds a unique horror mod boss that has a rare chance of spawning in the dark forest, the badlands etc.
Boss Baby Disc 11
Adds felfeb's boss baby song over disc 11 (request by s_0laris)
Calamity Bosses
20 NEW bosses that will shift the power changes in your world, adding custom item rewards and custom blessings to ease your fare through this treacherous world.
Cursed Limitless Resonance Data Pack (26.1.2, 1.21.11)
Cursed Limitless Resonance Data Pack brings anime-inspired cursed energy powers, special tools, and dangerous bosses to your survival world. You can charge up cursed energy to strike with crushing critical hits, unleash famous special moves, and summon tough minibosses for unique drops. Every technique fits right into survival gameplay with craftable items and power progressions. […]
King of the Nether X Fresh Animations Resource Pack (1.21.8)
King of the Nether X Fresh Animations Resource Pack makes the King of the Nether pack work perfectly with Fresh Animations. It combines the scary new looks for the Wither and other fiery mobs with smooth, natural movements. Now, you get the detailed boss designs without any broken models when you play. Features: Fixes Visual […]
Formidulus Mod (1.21.1, 1.21) – New Boss, Weapons, Structures And More!
Formidulus Mod is a horror mod that introduces a new soul-like boss into the game. The mod also adds new weapons, blocks, mobs, and structures. The mod is continuous development and new features will be added over time. A list of features as noted by the developer is given below. Features: 1 Challenging Soulslike Boss […]
The Wandering Murderer Mod (1.21.5, 1.21.1) – Hidden Horror, Dark Humor, And Deadly Milk
The Wandering Murderer Mod introduces a sinister twist to an innocent Minecraft character: the wandering trader. Kill one, and you'll trigger the wrath of the Milkman Reborn, a disguised boss-level mob who will hunt you for two days before rewarding your survival with a powerful weapon, Milkman’s Sword. Features: Adds a hidden boss encounter triggered […]
Arthropod Phobia Expansions Mod (1.21.1, 1.20.1) – Face Your Fears
Arthropod Phobia Expansions Mod is an advanced RPG and horror-themed mod designed to expand Minecraft's endgame with realistic arthropods and terrifying stalker bosses. Features: Stalker Bosses These are relentless, death-bringing entities with advanced AI to track and hunt you across great distances. Hallucination entities and lightning strikes signal their presence. They can also be summoned […]
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.