Mobs Mods for Minecraft Java
Browse 1,649 free Mobs mods for Minecraft Java — popular picks include Chariz's Mayhem, Cool Tools & Weapons - Data Pack, Voidshard_abyss.
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Chariz's Mayhem
A Minecraft Mod That Aims To Add Fun Things Into Minecraft, Such As New Mobs, Bosses, Weapons, Tools, Armor etc. Created By The Maniac Himself, DarkChariz
Cool Tools & Weapons - Data Pack
This Data Pack adds: 5 new bosses,30+ new items,1 new dimension,1 new soul system to allow changes to spawners in a survival friendly way,3 new structures to that dimension,5 new biomes;
Voidshard_abyss
The Voidshard abyss mod adds the voidshard abyss dimension, bosses and arena battles.
Frogite Ore Expansion
An expansion containing new ore, a new dimension (including a boss) and an assortment of gear
Custom Entity API
A datapack API allowing anyone to add custom entities, or bosses, to Minecraft: Java Edition, powered by Animated Java.
Boss Weapons Mod
This is my first mod, so it's probably not very good. It adds some weapons for each mob that is generally considered a boss (Wither, Ender Dragon, Warden, and Elder Guardian).
Empowered Armory
This mods adds addition weapons, items, weapons, tools, blocks, bosses and armor
Daniels Amazing Uranium Mod
This mod adds uranium, a boss named Daniel, and MUCH MUCH more! enjoy :-)
Cataclysm Bosses in Dungeon Realm by Karl Karlmann
Simple Datapack that places Cataclysm Bosses and Mobs inside Dungeon Realms
Tenebris - Advanced Dungeon System
Free advanced dungeon system with bosses, keys, rewards, stats, MythicMobs and PlaceholderAPI suppor
The Complete Drop Shuffler
Drops reshuffle automatically on a timer. Choose 1, 5, or 10 minutes. Countdown bossbar visible to all players.
Endless Instability
This mod changes many stages of Minecraft, adding new blocks, tools, and bosses. It's not yet finished and is in early development. It's 70% translated into English and 100% into Russian.
Everything Bossbar UW add-on
This Datapack adds Bossbars for every mob
The Complete Rare Drop Randomizer & Shuffler
Randomised drops with a 10% Elytra bonus, reshuffled automatically on a timer. Bossbar countdown included.

ZorythAIBoss-NightmarePack
Transform Minecraft's deadliest creatures into terrifying nightmares with dark custom textures and eerie sound effects for bosses, illagers, and monsters.
The Invisible Cheater
There's a new boss in the world
MashStrikeDrops
The plugin is aimed at event servers, crates-style mob encounters, grind zones, boss-lite content, and custom reward systems without needing MythicMobs or a larger RPG stack.
Giant Boss
giant bossfight datapack using vanilla minecraft
Exto
This mod adds a unique horror mod boss that has a rare chance of spawning in the dark forest, the badlands etc.
Dragonfight Updated
This datapack is an improvement of the dragon fight. With a new mini-boss and even more.
Attrition
A world that answers your progress. 600+ mechanics: bleeding, thirst, curses, diseases, rebuilt bosses and a world that learns from every mob you kill.
Hyvora Combat Mobs
Custom Mobs • Abilities • Bosses • Rewards • RPG Combat
Kione
Boss-style ability kit for a private SMP: homing skulls, a reflection shield, speed burst, auto-revive, summons and a server-side siege system. Abilities are bound to one account.
Hyvora Combat Mobs
Custom Mobs • Abilities • Bosses • Rewards • RPG Combat
Endmode 2 | Terraria Style Datapack
Terraria inspired overhaul to progression. New bosses, items, etc.
Kolobok: Ultimate Boss
A brutal four-stage Kolobok boss with transformations, lasers, lightning, meteors, and a devastating final explosion.

Boss Checklist - Lycanites Mobs Compatibility
Integrates all rare mob variants and dungeon mini-boss categories as well as Rahovart, Asmodeus and Amalgalich from Lycanites Mobs as entries in the Boss Checklist mod.
Boss Cannon
The Boss Cannon Inspired By WMC
Calamity Bosses
20 NEW bosses that will shift the power changes in your world, adding custom item rewards and custom blessings to ease your fare through this treacherous world.
Tensura Craftables Data Pack (1.21.1) – Forge Rare Monster Drops
Tensura Craftables Data Pack adds useful crafting options for Tensura: Reincarnated and vanilla Minecraft. It gives you straightforward ways to make rare materials, armor pieces, and utility items directly at your crafting table. The pack also introduces fresh uses for elemental shards and boss drops so nothing in your inventory goes to waste. Features: Lets […]
Professor Porker's Legendary Dungeons Data Pack (1.21.1)
Professor Porker's Legendary Dungeons Data Pack extends Cobblemon with large challenge structures inspired by iconic creature landmarks. It fills your world with massive multi-floor ruins full of tough wild encounters and hidden puzzle chambers. Players must manage team health, solve environmental puzzles, and battle through monster rooms to reach high-level legendary bosses. The data pack […]
TZP Plus Mutants Resource Pack (1.20.1) – Terrifying Skins for Giant Mutant
TZP Plus Mutants Resource Pack reskins the giant undead monsters in the Mutant Beasts mod. It replaces standard green mutant zombie models with over 30 fresh and scary looks. This pack uses OptiFine random entity features so every giant zombie you meet looks distinct. It turns repeated boss fights into exciting encounters with unique monster […]
Passive Mobs Twlight Re Aggro Data Pack (1.21.11, 1.21.1)
Passive Mobs Twlight Re Aggro Data Pack fixes boss fights for the Passive Mobs mod. It forces creatures from the Twilight Forest to attack you again. This solves a problem where bosses like the Lich become impossible to beat when they stop fighting. Features: Forces all creatures and bosses in the Twilight Forest to attack […]
Dragoncraft Drygmy Blacklist Data Pack (1.21.1) – Earn Boss Loot Through Real
Dragoncraft Drygmy Blacklist Data Pack patches balance issues in the Dragoncraft modpack. It stops players from using Drygmy charms to easily farm certain powerful bosses and useful NPCs. By blocking these specific mobs, the game stays fair and challenging. You will have to fight big enemies the normal way instead of sitting back and collecting […]
Excalibur Bosses'rise Support Resource Pack (1.21.11, 1.20.1)
Excalibur Bosses'rise Support Resource Pack repaints the monsters and items from the Bosses'Rise mod. It changes the textures so they match the medieval fantasy style of the main Excalibur pack. Features: Medieval Monsters: Gives the five giant boss monsters a brand new fantasy look. Changes the textures of every new block from the boss mod […]
Kult Craft Core Data Pack (1.21.1, 1.20.1) – Fight Custom Bosses Without a Long
Kult Craft Core Data Pack extends the Attribute Setter Mod by balancing health and damage numbers for several other mods. The pack lowers the health of specific boss-like monsters so they do not take forever to defeat in regular survival gameplay. Features: Changes the health stats for specific creatures from different mods so they fit […]