Mods for Minecraft Java
Browse 1,312 free mods for Minecraft Java — popular picks include [SMS]Spirit Mediumship Spell - Iron's Spells Addon, Adventurer's Beyond, Wise Mystical Tree of Wisdom.
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[SMS]Spirit Mediumship Spell - Iron's Spells Addon
This mod adds fresh spells to Iron's Spells 'n Spellbooks that let you summon all kinds of wizards, tough vanilla and Iron's Spells 'n Spellbooks foes, and even boss mobs from mods like Cataclysm.

Adventurer's Beyond
Explore lost structures. fight dangerous bosses, and journey to the beyond in this epic mod.
Wise Mystical Tree of Wisdom
Adds a new boss, The Wise Mystical Tree of Wisdom!

BossCraft Respawn : Unofficial Port
Unofficial Port of BossCraft 1.3.2
Quiet Bosses
Quiet Bosses is a client-side mod that stops any and all noises from boss mobs
The Nether Dungeons
I have added a dungeon that spawns at the depths of the nether which has a summing room where you have a chance to summon 3 different bosses.
Nether Sentinel
Meet the Nether Sentinel: Minecraft's new Nether boss! Face this fiery challenge and prove your bravery in an epic battle.
Gateway of Doom
Throw a Devil Eye to open a configurable combat gateway. Survive random or fixed waves, bosses and timed challenges for rewards—or suffer debuffs. Includes auto gateways, custom mobs, profiles, admin menus, commands, diagnostics, plus a stable add-on API.
bosses' addition
a great challenge for those who are bored from vanilla, all in vanilla.
Daily Boss x Iron's Spells n Spellbooks
Compatibility between Daily Boss and Iron's Spells 'n Spellbooks.
Slammer Boss
a mod that adds a new boss to the game
Paladin's Oath
This Mod Adds Mobs Bosses Armor Weapons And Abilities To your Minecraft World Can You Be the Best Paladin?
Ultimate Warden
A Datapack/Mod that enhances the Warden with a custom Dungeon, a Temple, boss battles, and more.
Shuumatsu no Valkyrie: Project Ragnarok
This mod is based off the manga and anime Shuumatsu no Valkyrie: Record of Ragnarok. It has skills, weapons, enchantments, transformations, races, abilities, dimensions. biomes, structures, bosses, mobs, stats, and most importantly, BUDDA
Confluence Infernum Music
Adds Infernum Music to Confluence: Otherworld (TerrariaCraft) bosses
Leo's Bosses
A mod that added bosses with nice loots to Minecraft,
Extra Bosses
Adds a few extra bosses into the game, plus a few extra features. (IN DEVELOPMENT)
The Catamount
The Catamount is a mix between an ambiance and a boss mod
Zoologics
Modification adding in game new animals, and plants, bosses.
Hostile Mob Better Configuration - HMBC
Hostile Mob Better Configuration gives you full control over hostile mobs in Minecraft. Attribute and behavior, or turn mobs into powerfupl boss variants to create a completely new difficulty and combat experience. Each mob can also have its own name.
The Beginning And Heaven
The Beginning and Heaven adds mainly two dimensions: Beginning, with the boss Iner Angel, and Heaven, with unique biomes, minerals mobs
Beyond Deepest Dark - Sculk Dimension
The mod adds the sculk dimension, mobs, and the boss
Moonstruck Phantasm
Adds the Moonstruck Apparition, a highly developed boss with fleshed-out attack patterns to your game.
Hords
Hords is a survival mod for Minecraft that spawns dangerous mob hordes led by powerful bosses.
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.
Riftstorm RPG
Global high-quality RPG mod which add new bosses, weapons, blocks, creatures and features!
Krakentilus
Adds the Krakentilus boss, 2 unique Nautilus variants and 3 spears
Boss Keys
Conquer Monster Spawners using new Dungeon Keys
King Shroomer
Adds an early-game boss that is a lifeless mushroom king.
MagicCraftAdventure
This Mod adds 15 new Bosses, Dungeons, New Armors, new Ores, new Creatures, Blocks and other Items!
Daily Boss x Bosses of Mass Destruction
Compatibility between Daily Boss and Bosses of Mass Destruction.
Arda's Ultimate Golem
Arda's Ultimate Golem mod adds a powerful golem to the game, and this golem is a golem that helps you against bosses or creatures you fight.
True Boss Music
Adds much needed boss music to Minecraft's Bosses!
Boss Fight Optimizer
Add some of the features of the Terraria Calamity mod to improve the performance of boss fights!
Blue's Srp Boss (OLD)
Adds a new boss and a new item
Titans
This mod is made for those who love adventures. Adds new ore, materials, items, structures, and a boss