Mods for Minecraft Java
Browse 274 free mods for Minecraft Java — popular picks include Manifestation of the souls, Epic Bosses, Respect Your Elders.
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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.
Refined Bossbars
A refined look of minecraft bossbars
Eschatology: Bosses & Artifacts
Challenge 2 powerful new bosses, wield unique weapons, and master the Revenge Gauge mechanic. A combat expansion mod focusing on end-game content.
Epic Battle Music
Automatically adds epic battle music when fighting bosses with 200+ HP within 80 blocks.
Relics of Ruin
A custom weapon system featuring boss-themed swords with unique abilities and mechanics.
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.
Cobblemon Dungeon
Create and edit custom Cobblemon dungeons directly in-game with areas, gates, trainer encounters, boss battles, Join NPCs, rewards, and JSON-based advanced customization.
MythicDungeons
Procedural party dungeons with queue visibility, run previews, persistent player profiles, bosses, loot, and weekly leaderboard progression.
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!

BossCraft Respawn : Overlord
Unofficial Port of BossCraft and BossCraft2 Content
SMPGracePeriod
Disable PvP during server grace period with customizable duration, BossBar countdown, commands, and inter-plugin API.

ScalingMobs
Adjusts the stats of bosses and mobs, multiplied by the number of players on the server.
Grace999
GracePlugin provides configurable, per-world grace periods with PvP and mob damage protection, boss bar countdowns, sound alerts, and customizable safe zone regions with flag-based protections.
DeatButThreeReload
Prevent players from having to respawn multiple times to defeat some bosses
Diary of an 8-Bit Warrior
Experience Aetheria like a Terrarian! Complete quests, kill bosses, and level up your skills! Maybe you'll even meet Runt and his friends…
Harry's Hostile Expansion
Adds many different hostile mobs, mechanics, structures & bosses.
Piglin Wither
Adds a new piglin wither boss
DAG Mod
Race & class system, 200-level progression, custom dungeons, boss battles, two custom dimensions, NPC quests, party play, and craftable consumables with real combat effects. Everything in one mod.
EzCountdown
Run flash sales, timed events, and launches with stunning countdowns - ActionBar, BossBar, Titles & Placeholders!
Wands & Wizardry
Bringing Noita's spell system to Minecraft with fully modular wands, over 60 spells, a new boss fight and more!

Vital
A mod which adds clean, minimal, but readable SHADER COMPATIBLE health bars to each mob in the game (optionally replacing boss bars with colour coded bars per active boss too).
Bosscraft 2: Remake
Bosscraft 2: Remake is an unofficial project inspired by Sthullen's famous mod for older and outdated versions of Minecraft. This project takes the iconic mechanics of the classic mod and integrates them into modern versions of the game.
Mechanical Bosses
A mod by Yolo1324
More And Ore
More And Ore Contains an increasing amount of Content, Beginning with Ores and Items as well as Various Armors, Tools and Weapons, as well as Exponential amounts of New Features, Mobs, Bosses and Difficulty increasing Modifications!

Calamity
Calamity is an expansive overhaul project that introduces challenging new bosses, unique mechanics, and a rich layer of lore to the core experience.
GahoodRPG
Adds RPG elements to minecraft which includes classes, armor, weapons, bosses, and more.
Deepcraft
A hardcore Minecraft mod with new ore, weapons, bosses, mobs, a unique dimension, haunting music, and forgotten secrets waiting to be uncovered.
Theosis
Plugin-ready RPG survival with loot, gems, bosses & biomes. Thesis-style modularity. Multilanguage Apotheosis-inspired
The Dulling
A Cosmic Horror Story with Bosses, Dimensions, Magic, and more!