Mods for Minecraft Java
Browse 167 free mods for Minecraft Java — popular picks include Qliphoth Awakening, Ender Dragon Fight Remastered, Dungeon Now Loading.
Updated daily
Qliphoth Awakening
Adds various bosses with unique attacks and mechanics.
Ender Dragon Fight Remastered
A difficulty increase of Minecraft's final boss, with a focus on a somewhat Vanilla feel.
Dungeon Now Loading
Explore the vast, challenging dungeons that are loaded into your world! This mod introduces new dungeons, along with tricky, but fair bosses to fight at the end of the dungeon.
Arthropod Phobia Expansions + Horror Bosses / Arachnophobia
ArPhEx horror mod - realistic, intricate, phobia-inducing entities and supernatural bosses
Armageddon
A highly configurable overhaul of Minecraft's way of progressing through the game : bosses, RPG-like, new mechanics, multiplayer compatibility, weapons, ores... !
Withering Heights: Revamped Wither
Turning the Wither into something worth calling a boss.
DivineRPG
8 New Dimensions ♦ 115+ New Mobs/Bosses ♦ Hundreds of New Blocks and Items ♦ Unique Weapons and Armor
Snow's Bosses: Mechasent
This mod adds a new boss to raids — the Mechasent. It appears during the final two waves of a raid.
Aerlune RPG
Minecraft Mod - New unique weapons, mechanics, mobs, bosses, biomes
Nice Mobs Remastered
Randomised mob equipment, 10 new mobs, 3 new bosses, a new late game dimension and more
MythicMobs
Create custom mobs and bosses with advanced skills, attributes, equipment, and more!
Multiplayer Bosses
A server-side mod that makes boss health and loot drops scales to player count.
Sky Lands
Adds new sky islands biomes, blocks, bosses, weaponery and much more
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.
EliteMobs
Minidungeons, Arenas, Bosses, Custom Loot, Quests, MMORPG progression & more!
Mecha Pillager Boss
Adds the Mecha Pillager Boss into the game.
Boss Ultimatum
Heal bosses when players die, or remove them!
The Day Of The Beast
Introduces The Devil, a new boss fight in the game.
Nature and Creatures
The mod will add many new mobs to the game, which will have unique mechanics, abilities and drops. In almost every biome you will find at least a unique mob, and you can also stumble upon new bosses.
The Twilight Forest: Re26
Unofficial port of Twilight Forest from Minecraft 1.21.1 to Minecraft 26.1.x and 26.2.x, adapting the mod's dimension, biomes, structures, bosses, items, and mechanics to the latest Minecraft version for modern gameplay.
Austinsupercar's Dungeons and Bosses
Difficult dungeons and bosses with anti-cheat mechanics.
CrazyVillagers
CrazyVillagers adds hilarious and chaotic new villagers to Minecraft! From a pooping villager to a newborn baby, a fat villager, and the powerful Mecha Boss — expect weird behaviors, dark humor, and total village madness!
Bossbar
Create health bars for bosses or entities: easy, performance-friendly, feature-rich.

BossCraft Respawn : Unofficial Port
Unofficial Port of BossCraft 1.3.2
Nightmare Mode [BTW ADDON]
Nightmare Mode is an addon for Better Than Wolves CE 3.X that makes the mod a LOT harder, with focus on extreme difficulty, unforgiving mobs and reducing farming tedium. NM features new mobs, reworked mechanics and boss overhauls.
True Boss Music
Adds much needed boss music to Minecraft's Bosses!
Manifestation of the souls
Manifest your soul as a stand, kill bosses, follow quest lines and find structures
Epic Bosses
A mod for epic bosses in minecraft that adds a lot of unique content.
Respect Your Elders
Respawn mechanics for Elder Guardian & Evoker mini-bosses
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.
The King and The Queen - Legacy of Utopia
A high-performance 1.12.2 revival of the legendary OreSpawn bosses, featuring a ground-up engine rewrite. Includes the full The King and The Queen roster, a 1.19 Warden backport, and stalking Herobrine mechanics.

Fortitude
Gain stats upon defeating unique mobs and conquering bosses. Fully configrable/customizable.
the hiker
the hiker, a scary mod that adds a new boss named the hiker, it also add a new biome, the hikers forest. and different variants of the hiker!
Biomes Of The Ancients
A Realm RPG mod that aims to overhaul Minecraft entirely, adding new bosses, biomes, mobs, dimensions, tools, weapons, etc. With a lot of lore to invest into.
RSMC: The Third Age (RuneScape in Minecraft)
RSMC: The Third Age is a Minecraft MOD that brings RuneScape to your Minecraft Worlds. RSMC can be played in Single Player or Multiplayer. It adds 24 Skills, Trading, GE, Bossing, Mini Games, Dungeons, and so much more
The Dulling - A Final Challenge
Adds an eldritch threat to your world, with Bosses, Dimensions, Magic, & more!