Horror Mods for Minecraft Java
Browse 35 free Horror mods for Minecraft Java — popular picks include Arthropod Phobia Expansions + Horror Bosses / Arachnophobia, Withering Heights: Revamped Wither, Brutal Nightmare : Insane Difficult.
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Arthropod Phobia Expansions + Horror Bosses / Arachnophobia
ArPhEx horror mod - realistic, intricate, phobia-inducing entities and supernatural bosses
Withering Heights: Revamped Wither
Turning the Wither into something worth calling a boss.
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.
The Day Of The Beast
Introduces The Devil, a new boss fight in the game.
Vaults of Abandon
Conquer the Vault, in the Vaults of Abandon - Dungeon Datapack. Battle Epic Bosses, Explore vast dungeons, and utilize powerful magic. Access over 50+ Custom Items, and battle over 20+ Custom Mobs.
Moar Bosses
Moar Bosses adds 7 types of randomly spawning bosses into your Minecraft world. Each boss has 3-5 unique and crazy magical attacks, and drop cores that can be used to craft magic wands. The bosses have custom textures using Optifine or Reselect or CET.
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.
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.
Random Bosses
The WASD Random Bosses Datapack turns naturally spawned mobs in the world into bosses. It was inspired by an old mod that is similar in function. Bosses spawn with random power levels, random sizes, and loot based on difficulty.
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!
Piglin Wither
Adds a new piglin wither boss
Deepcraft
A hardcore Minecraft mod with new ore, weapons, bosses, mobs, a unique dimension, haunting music, and forgotten secrets waiting to be uncovered.
The Dulling
A Cosmic Horror Story with Bosses, Dimensions, Magic, and more!
Bossmode
Bossmode is the difficulty above hardcore that turns every mob into a boss fight, including passive mobs. Can you survive?
Dino Rumble
A very expansive and quality dino mod adding food items bosses and more!
Ranold's Boss Music (Datapack)
This is a work in progress resourcepack/datapack that adds boss music to bosses in minecraft!
koper_mod
A chaotic Minecraft mod with unique bosses, broken armor sets, and a corrupted dimension a little unbalanced but fun as hell.
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.
Crowned Herobrine [LEGACY]
Adds a new boss called Crowned Herobrine that is a formidable opponent. He drops a useful crown ;)
Mob Heart: Killing Mobs Give you 1 permanent Heart
Get permanent extra hearts by killing mobs! Every mob type gives +1 heart ONCE, works across deaths, fully automatic. Includes passive, neutral, hostile, and bosses!
NexusMobs
NexusMobs is a comprehensive RPG plugin that transforms your Minecraft server by introducing over 20 unique bosses
Cognitio
A chaotic world with strong monsters and bosses and cool artifacts with powerful abilities.
Yori3o's Trash 'n Brainrot
Stinking trash cans, 5G towers, a new boss - everything you needed
Sculk Wrath
Sculk Wrath is a complete Warden boss overhaul datapack that transforms the Warden into a 4-phase boss fight with custom attacks, boss bar, music, configurable drops, and dramatic animations.
Boivindo
A gaunt bovine humanoid that doesn't hunt you, it grades you. It picks the best-fed player, always knows where you are, never runs, and cannot be killed. No boss bar, no chase music.
BulsciCraft
Enjoy this brand new mod that adds New Dimensions, Mobs, Items, Blocks, Unusual things and even a bossfight...

randomitems-mod
Adds /randomitems, /randommobs, /randomweapon, /randomarmor, /randomtool and /randomquest commands that periodically give random items, spawn random mobs, swap your gear, or assign 5-minute random quests with a boss bar and personal sidebar.
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
The Complete Drop Shuffler
Drops reshuffle automatically on a timer. Choose 1, 5, or 10 minutes. Countdown bossbar visible to all players.
The Complete Rare Drop Randomizer & Shuffler
Randomised drops with a 10% Elytra bonus, reshuffled automatically on a timer. Bossbar countdown included.
The Rake Horror Mod (1.20.1) – Night Stalking Boss Hunter
The Rake Horror Mod adds The Rake, a dangerous night creature inspired by popular Roblox horror games. It focuses on fair but intense survival combat and nighttime hunting mechanics. Features: Basic Behavior Spawns only at night Lives in a special cave structure (its base) Leaves the cave at evening and returns at sunrise Normally stays […]
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: […]
Boss And Magic
this mod add new unique bosses and many more content to the game
Snorlax Boss
Adds Snorlax as new Endboss to minecraft
The Retch: Trauma's Echo
(NOTE - ON HOLD) The Retch is an adaptive psychological horror boss mod featuring relentless mob and strict anti-cheese mechanics. CONTENT WARNING: This mod features themes of severe psychological torment, trauma, and unyielding persecution from my youth.