Mods for Minecraft Java
Browse 274 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
alternative_twilight
Added more mechanisms to the bosses of Twilight Forest, making it more time to prepare for them
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
Boss Music Mod/Datapack
This mod adds music that will play during epic frays against both the Wither and the Ender Dragon.
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.
EvoPlus
Auxiliary mod for PrisonEvo mode of DiamondWorld project, which includes functionality of boss timers, quick menu, hotkeys for rune sets and many more various features.
ROARING
Brace yourself for one of the Roaring Knight, one of the most Difficult Bosses you've ever fought in a Minecraft Mod. The Knight is fast, smart and uses Attacks that give ''Dark Damage'', which goes trough any type of Health Protection, so be warned.
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!
Boss Score Toggle
Toggle bossbar and scoreboard visibility with commands!
The Day Of The Beast
Introduces The Devil, a new boss fight in the game.
Boss Blades 2.0
Adds new and unique weapons to every boss in Minecraft!
RainApricot Spawn Notification (for Pixelmon)
This mod sends in-game notifications immediately when BOSSes, Legendary Dens, Legendary Pokémon, Master Ball Reward Chests, and wild Shiny Pokémon appear in your Pixelmon world, ensuring you never miss them again!
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!

Cursed Fate: Cursed Tweaks (New Boss Fights!)
This is an Add-On for the Minecraft mod Jujutsu Kaisen Cursed Fate Mod! This mod is solely an extension for the original mod by ImNotHURAGAN and does not work independently.
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!
Configurable Boss Bars
A simple mod allowing for the configuration & stacking of boss healthbars

Sporeadds
Mod that adds 4 survivors origins and 1 boss origin based of an infected from the spore mod