Mobs Mods for Minecraft Java
Browse 57 free Mobs mods for Minecraft Java — popular picks include Wither: Reincarnated, Pumpkillager's Quest, Tensura: Not Enough Bosses.
Updated daily
Wither: Reincarnated
Makes several improvements to the Wither boss
Pumpkillager's Quest
🎃 SpookyJam 2022: Help out the Pumpkillager! With custom encounters, rewards and a boss fight you'll get immersed in the story. Spawn him by breaking a pumpkin in this spooky scary Halloween style mod!
Tensura: Not Enough Bosses
Official Addon for Tensura: Reincarnated adding new bosses to the game for quests.
Tensura Dungeon
Tensura: Dungeon adds a 10-floor dungeon to Tensura Reincarnated with traps, bosses, shrine challenges, elite mobs, and custom gear. More content coming soon.
The Cardinal Sins
Fight bosses based off of the Seven deadly sins and many more while using unique custom weapons with abilities!
The Nexus (Deep Dark Dimension)
The scary dimension behind the portal! New final boss!
Pomkots Mechs
Adds variety of mechs such as vehicles, mobs, bosses to your world!
Austinsupercar's Dungeons and Bosses
Difficult dungeons and bosses with anti-cheat mechanics.
Moonstruck Phantasm
Adds the Moonstruck Apparition, a highly developed boss with fleshed-out attack patterns to your game.
Sirenhead: Legacy
Added siren head and cartoon cat [Bosses]
Scary Monsters and Nice Weapons
A mod that adds weapons, bosses, and a working XP Stats system
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!
Spooky Scary Skeletons
A fun RPG mod with new ores, mobs, tools, armor, bosses, and more!
Industrial Quest Pack
Modpack filled with survival mods and all essential technical mods. Along with scary mobs and bosses.
MDMadMM
Monsters Dinosaurs Magic Archeology Vehicles Dungeons Boss Animals Plants Dimensions Mobs Biomes Missions & Much More / Skills Fishing Farming Ores Fire Weapons Tools Structures
Lijm's Expanse
Lijm’s Expanse expands Minecraft with firearm manufacturing, vehicle assembly, magic, spell tomes, new bosses, and even cheesemaking. A vast new expanse of possibilities awaits!
Sea Core Balance & Utilities
A balance and utility addon for Mine Mine no Mi and CartAddon, focused on cleaner PvP, reworked abilities, improved fruit terrain effects, bosses, crates, and server-friendly config tools.
The Harvesters
A mod that adds three scarecrow bosses that drop scythes!
stupid horror mod
this is a joke horror mod that adds a scary biome, where you have to kill scary creatures to collect scary souls to later craft into a boss altar and fight the boss. there is an ingot with good weapons that can take down most of the scary creatures.
Nightmare Survive
Forge 1.20.1 | Horror Modpack | 300+ Mods | Shader Support | Scary Creatures | Bosses | Dungeons

Prototype 0.3
currently just adds some custom armor and weapons not much. later there will be bosses, extra mobs, A third set of armor, even more weapons, maybe vehicles, and a lot more.
Poke card
This Projekt adds an poke Card with that you can capture and release Mobs anywhere. But not endbosses.

CobbleCatalyst
Adds Cobblemon trainer battle phases to Cataclysm boss fights, turning boss fights into hybrid combat and Pokemon battle challenges.
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 […]
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 […]
King of the Nether X Fresh Animations Resource Pack (1.21.8)
King of the Nether X Fresh Animations Resource Pack makes the King of the Nether pack work perfectly with Fresh Animations. It combines the scary new looks for the Wither and other fiery mobs with smooth, natural movements. Now, you get the detailed boss designs without any broken models when you play. Features: Fixes Visual […]
King of the Nether Resource Pack (1.21.8) – Dark Wither Army for the Underworld
King of the Nether Resource Pack transforms the look of monsters in the fiery dimension. It changes these creatures so they match the style of the Wither boss. This pack gives the underworld a darker and scarier vibe by making the mobs look like they belong to a single dark army. You will need OptiFine […]
Scary Mobs And Bosses Mod (1.20.1, 1.18.2) – The Darkness More Terrifying
Scary Mobs And Bosses Mod adds small structures that contain scary bosses, which will drop weapons and tools with certain abilities. Scary entities and new bosses in your Minecraft world, with new weapons and tools. Now the bosses are summoned, for this you must get the materials and craft the summoning blocks. Each boss will […]
A Demon Slayer's Journey Modpack (1.16.5) – Master Breathing Styles
A Demon Slayer's Journey Modpack is inspired by the popular anime “Demon Slayer” (Kimetsu no Yaiba). This pack blends fast-paced combat, custom mobs, breathing techniques, and quest progression into a thrilling survival experience. Features: Includes breathing styles, Nichirin swords, and demons. Face off against anime-inspired enemies and bosses. Progress through structured quests and training paths. […]
Iter RPG Mod (1.20.1, 1.19.2) – Sorrow Spire, Giant Spider, Carcass
Iter RPG Mod is a global RPG mod that expands the adventure part of the game by adding a variety of dungeons, mobs and bosses to encounter. Modification tries to balance itself around vanilla armor and weapons stats, so it can sometimes feel underpowered. Features: Sorrow Spire: In the Nether, a lonely grim steeple towers […]
Wither Spawn Fix Mod (1.21.1, 1.20.1) – Overcoming Spawning Obstacles
Wither Spawn Fix Mod is designed to address the common issue of small blocks like grass, snow layers, flower pots, and carpets obstructing the spawning of the Wither boss. Features: Prevents small blocks from obstructing Wither spawning, ensuring a seamless summoning process. Makes it easier for players to spawn the Wither without needing to clear […]
World of Mobs Mod (1.20.1) – New Mob Variants & Spider Nest Structure
World of Mobs Mod adds new variations to the vanilla mobs in the game. This includes mob variations like two zombies carrying a log, creeper lobbers that pick up and throw zombies at you, short/tall zombie variants, and more. The mod also introduces a new structure called the Spider Nest that inhabits a new boss […]
The Harvester Data Pack (1.18.2, 1.17.1) – Halloween Mini-boss
The Harvester Data Pack introduces a new mini-boss for this Halloween season. The Harvester is a scary monster that will hunt your Halloween Night. He is powerful and even has some special attacks. The Harvester is unstoppable for his knockback resistance and the ability to break blocks. He also has 150 health and is relentless […]
Ancient Beasts Mod 1.12.2 (Boss, Entities)
Ancient Beasts Mod 1.12.2 implements into the game a plethora of new bosses and entities, which is all malevolent and will attack players on sight if they are not careful. The intend of these creatures is evil, therefore players would need to be prepared when taking them on during their journey through the overworld. Once […]
Monsters Lucky Block Mod 1.12.2 (Not Just Like Other Ones)
Monsters Lucky Block Mod 1.12.2 contains a lot of new brand and cool drops. Are you tired from old drops? Try new ones! Features: New Armours that have a lot of effects. New Bosses. New Wishing Wells. New Giant Swords. New (Un)Lucky Mobs to fight! New Titans. New Robots. New Scary Plants. Screenshots: Crafting Recipes: […]
Lucky Block Spooky Mod 1.7.10
Lucky Block Spooky Mod 1.7.10 adds in lots of drops and mobs to celebrate Halloween! You will find scary Halloween related mobs and crazy outcomes like raining lava and lucky blocks! This has over 200 Halloween drops. 5 things about this mod: The Candy Dusts can be eaten. The Arrow Wizard is a boss for […]