Minecraft Java 1.21 Mods
Browse 141 free mods for Minecraft Java 1.21 — popular picks include Brutal Bosses - Custom Bosses, Marium's Soulslike Weaponry, ArmorPlus.
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Brutal Bosses - Custom Bosses
Adds 29+ Bosses to dungeons and structures. Allows custom boss creation through datapacks
Marium's Soulslike Weaponry
New bosses and legendary weapons!
ArmorPlus
ArmorPlus is a mod based on exploration, killing, building, getting geared up, fight the bosses and explore the depths of your worlds
Arthropod Phobia Expansions + Horror Bosses (Spiders, Arachnophobia)
ArPhEx: Intricate, phobia-inducing, realistic mobs, and supernatural bosses
Bosses'Rise - Epic Souls like boss fights
🐉 Add Souls-like Bosses, fight 5 epic boss in their own dungeon!
T.O Magic 'n Extras - Iron's Spells Addon
Adds high-quality & immersive spells, boss, weapons, equipment, and MORE! Integrated with L_Ender's Cataclysm, Alex's Caves etc.
Advent of Ascension (Nevermine)
An all-in-one RPG mod with new skills, weapons, armour, mobs, bosses, dimensions, and more!
DivineRPG (Official)
8 New Dimensions ♦ 115+ New Mobs/Bosses ♦ Hundreds of New Blocks and Items ♦ Unique Weapons and Armor
Dark Doppelganger : Iron's Spells and Spellbooks Addon
Boss that uses Irons spells to attack you, copies your name, armor, and weapons!
Iron's Apothic Invaders
Adds Iron's Spells & Spellbooks mobs as invader bosses in the Apotheosis mod
Pumpkillager's Quest
🎃 SpookyJam 2022: Help out the Pumpkillager! With custom encounters, rewards and a boss fight you'll get immersed in the story. Spawn him by breaking a pumpkin in this spooky scary Halloween style mod!
Armageddon
A highly configurable overhaul of Minecraft's way of progressing through the game : bosses, RPG-like, new mechanics, multiplayer compatibility, weapons, ores... !
DarkBosses - RPG Bosses Advancements
RPG boss summoning information and grants extra experience for defeating bosses
Tensura: Not Enough Bosses
Official Addon for Tensura: Reincarnated adding new bosses to the game for quests.
Remnant Bosses
Face the deadliest bosses ever forged combat, fights, and chaos await!
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.
Advent Of Ascension
An all-in-one RPG mod with new skills, weapons, armour, mobs, bosses, dimensions, and more!
DivineRPG
8 New Dimensions ♦ 115+ New Mobs/Bosses ♦ Hundreds of New Blocks and Items ♦ Unique Weapons and Armor
Terra Entity
A mod encompasses numerous Terraria monsters and bosses, and constitutes one of the submodules integrated within the larger mod, Confluence.
Wizard Tower
Adds a Wizard Tower along with a new wizard mob mini boss
Slayer's Beasts
Explore new structures and biomes to face off against beasts and bosses on the surface, or in treacherous dungeons.
Undefeatables
Adds mini-bosses to your minecraft experience.
Toybox
Adds a toy/soft-play/party themed dimension, with many places to explore and a boss to fight
Rpg: Better Elder Guardian
Makes the ElderGuardian a proper boss with custom attacks, increased health and special drops
LUMINOUS: HALLOWEEN
Bring a spooky new boss to your Minecraft World!
Daily Boss
Adding daily boss event into Minecraft
Chrono Dawn
Adds Chrono Dawn, a time-themed dimension with custom portals, boss battles, and time-manipulating artifacts. Supports Fabric & NeoForge.
Rival Trespassers
Fight survivalist minibosses in structures - just like you!
Super Bosses
Any Monster can randomly spawn as a SUPER BOSS!!!
Winter update
This mod adds a lot of content to winter biomes. Starting from ordinary reindeer, ending with various bosses.
Apocalyptic Bosses
Michi'sProject
Age Of Dragons
Age of Dragons is a dark fantasy Minecraft mod featuring elemental dragons, custom classes, cinematic boss fights, and lore-driven progression. Face ancient trials, challenge forgotten kings, and uncover the truth behind the Dragonlands.
EliteMobs
Minidungeons, Arenas, Bosses, Custom Loot, Quests, MMORPG progression & more!
Desert Tombs
Adds a giant Tomb to desert biomes, introducing new mobs: the Scorpion, the Mummy, and a Pharaoh mini-boss.
Mocha's Complicated Bosses
Adds multiple difficult bosses with complicated AI and unique equipment