Minecraft Java 1.21 Mods
Browse 1,188 free mods for Minecraft Java 1.21 — popular picks include Epic Bosses (Bosses), Sabers And Bosses, HyperStorm's Progressive Difficulty.
Updated daily
Epic Bosses (Bosses)
A mod for epic bosses in minecraft that adds a lot of unique content.
Sabers And Bosses
Forge Six Legendary Krystal Saber Swords, each infused with unique Elemental Abilities. This mod introduces 4 NEW Bosses along with special drops for the Elder Guardian and Ender Dragon
HyperStorm's Progressive Difficulty
Progressive Difficulty is a mod that makes Minecraft tougher the more you play. Every boss you defeat doesn’t just mark a victory — it marks the beginning of a stronger, deadlier world.
Marvel Multiverse
With this modpack you can transform into superheroes, hunt Hydra bosses and discover different structures.
Tensura: L2Hostility
Adds L2Hostility scaling and traits to Tensura: Reincarnated and Tensura: Not Enough Bosses mobs.
Bosses Delight Unofficial(NeoForge)
The 1.21.1 branch version of Bosses Delight
Multiplayer Craft
Its just a multiplayer modpack that everyone can use that includes new bosses, structures, and cool spells!
Frozen Spider Mini Dungeon
A mini Dungeon with a Ice-Spider-Miniboss and 2 single chests as a reward for defeating the Boss. Only spawns in snow regions! Feel free to try out and include inside your Modpack.
Tensura Isekai Reincarnation Core
A core pack for Tensura Isekai Reincarnation that adds boss support form other mods made for my modpack Isekai Reincarnation
Lava's banks dimensions and lucky blocks
a mod about exploration and fighting op bosses, best used in a modpack
Dire Mobs
Dire Mobs adds tiered hostile mobs with champions, mini-bosses, auras, and scalable difficulty.
nuhayuponosik's bosses
mod that will add a few bosses
Stronger Fire Boss
Enhance or customize the Fire Boss in Iron's Spells 'n Spellbooks.
Dread's RPG
Welcome to Dread's RPG, Fight New Bosses, Complete Dungeons, New Items and More on this RPG Mod
The Morbid Reborn Reborn Reborn
Port of the 1.7.10 Morbid Harvester boss from the mod Mob Fusion
Create Aero-craft (Hardcore++)
Its a modpack with the all new Create: Aeronautics mod and has a LOT of hard mods like bosses, zombies, thirst, and more! come join!
KyuremBoss
Replaces the Ender Dragon with a colossal Gigamax Kyurem boss — 16,000 HP, two phases, ice AoE attacks, a spectacular aura, and direct attacks on your Cobblemon Pokémons!
Boss Plus (Discontinued)
Adds new bosses to fight!
Army of Shadows
Master the Art of Necromancy! Capture the souls of any mob or boss—including those from other mods—and command an undead army or harness their dark power for yourself.
Twilight Tavern
Magical, cozy cottage? Or a dark wizard dungeon? Your choice! No futuristic automation mods. The modpack is a curated mix of magical, fantasy and farm related mods with challenging, dark outside world full of monsters and bosses.
Larry's Insane Cobblemon
Modpack focused on expanding cobblemon while providing an insane experience! Featuring tech mods, exploration mods with new boss encounters and some miscellaneous mods for QOL or fun!
Create - The World(Arcane)
A High-Fantasy inspired Create centered RPG modpack, delve into the secrets of the arcane, develop engineering marvels, and face horrible monsters and bosses as you survive in a world at war.
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.
Echoes of the Realm(Dragon)
This modpack adds mini-bosses, new crafting, and multiplayer challenges to enhance the vanilla Minecraft experience with friends.
Base Invasion - Siege Core
Defend your base with the Siege Core against waves of monsters, boss battles, and air strikes. Collect rewards, repair the Core, play as a team, and customize wave difficulty, loot, threat, and overall difficulty in the settings.
Elden Ring
This mod adds elden ring bosses to minecraft
Evergrow
A brutal high-end adventure modpack packed with tons of new mobs, bosses, weapons and dimensions – heavily optimized and balanced for powerful PCs.
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.
PlayerHead Chat Icon Resource Pack & Plugin
Tiny dynamic player head icons for chat, actionbar & bossbar
Project: Create Extreme
Create with near All Addons, Chill no Bosses or Stress.
Oramoun RPG
Oramoun RPG is a fantasy-driven Minecraft RPG modpack focused on exploration, powerful progression, and epic combat in a massive world filled with new biomes, legendary weapons, dragons, and challenging boss dungeons.
EpicCraft Explore
Enhance Minecraft with new biomes, dungeons, and structures while keeping the vanilla feel! Discover improved villages, bosses, and exploration tools for a fresh adventure! 🚀
ImmersiveRPG&MineColonies
An immersive, challenging RPG survival with classes, bosses and MineColonies – optimized for long‑term worlds and high render distances.
Royal bosses
Adds royal bosses and other things.
Bosses and Armor's
Various Bosses & New Armor
Endgame Bosses
Adds new bosses to the game after the Ender Dragon is defeated.