Mods for Minecraft Java
Browse 48 free mods for Minecraft Java — popular picks include Arthropod Phobia Expansions + Horror Bosses / Arachnophobia, Arda's Sculks (Ancient City Portal / Deep Dark Dimension), The Day Of The Beast.
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Arthropod Phobia Expansions + Horror Bosses / Arachnophobia
ArPhEx horror mod - realistic, intricate, phobia-inducing entities and supernatural bosses
Arda's Sculks (Ancient City Portal / Deep Dark Dimension)
Arda's Sculks mod is a mod that improves the ancient city in the game and offers the ability to open the ancient portal in the ancient city. This mod adds many deep dark biomes to the game and many boss creatures found in these biomes.
The Day Of The Beast
Introduces The Devil, a new boss fight in the game.
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.
Titans
This mod is made for those who love adventures. Adds new ore, materials, items, structures, and a boss
KamenRiderBossYOUandME
Henshin! Step into this heated conflict. In “The Final Boss, You and Me”, it's like the fateful duel of Kamen Riders. The shining belt is the symbol of glory. Amid the intertwining of light and shadow, only the strongest can break through the darkness
Relics of Ruin
A custom weapon system featuring boss-themed swords with unique abilities and mechanics.
DeadSummons
This adds Magic of evil. We have three magic types, one boss. and items for your world!
Vizer
New strong bosses,weapons and much more!
The Dulling
A Cosmic Horror Story with Bosses, Dimensions, Magic, and more!
[discontinued] Gods Of Hate
A mod about bosses and horror
Ominous Offerings
An Ominous Mod featuring pillagers. Venture into deep dungeons and craft soul weaponry! And even a boss to find and kill!
koper_mod
A chaotic Minecraft mod with unique bosses, broken armor sets, and a corrupted dimension a little unbalanced but fun as hell.

Weapons Of Legends
Weapons Of Legends Adds Difficult Dungeons, Insane Boss fights, and Insane Items.
Void king dimension
Adds an epic boss fight with the Void King and his minions, spreading corruption, and powerful weapons.
Jujutsu Horizons
Master Cursed Energy, Grind through a brutal leveling system, unlock lethal techniques, and hunt nightmare bosses. Evolve or die.
Homelantor
A Homelander boss addon for TerminatorStar featuring advanced AI, hunting behavior, and powerful combat abilities.
the weirdest bosses ever
This an extremely weird mod which adds weird stuff and even a weird dimension you need 12 beacons to go there lol
Grandia Dungeons
A dark fantasy roguelike dungeon adventure with classes, bosses, cursed loot, magic, traders and procedural floors.
Crowned Herobrine [LEGACY]
Adds a new boss called Crowned Herobrine that is a formidable opponent. He drops a useful crown ;)
BossBound Relics [drops & weapons]
New weapons as a reward for beating bosses !
Holger Soup and Sorcery
This Mod adds many soup themed items to the game. Also a flying soup boiler that attacks you and a Soup Biome and Dimension. Also this mod adds the substance Holrosium and Holgarium, Crows and a Bossfight with Holger.
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.
random things/stuff
random things i added with blockbench for models and mcreator this adds new ore mobs bosses blocks tools items and much much more
The God Eye
GodEye is a cinematic, psychological horror and boss-fight mod that slowly twists your standard Minecraft world into a nightmare. What begins as subtle environmental decay and eerie, fleeting encounters inevitably escalates into a frantic fight for surviva
Brian's Boss Items
Plugins that adds custom Boss Items
ADKM
Defeat a powerful, giant boss roaming your world to claim his legendary Scythe with +16 Attack Damage! A high-risk, high-reward challenge. (Requires GeckoLib)
Necromancer NPC
A gameplay mod for Minecraft 1.20.1 that introduces a challenging new night-time mini-boss: the Necromancer.
Nation's Roots
Nation's Roots - a mod where you choose one of 4 Races with unique Nations. Your choice grants powers and flaws. Find a Star to change your Nation and defeat a race boss to claim their legendary weapon. Your roots define your power.
darkabyss
hadows fall, the abyss awakens. 5 terrifying new mobs + the Abyss Lord boss fight. Craft the Dark Abyss armor set for Night Vision, Resistance, Speed & Jump Boost. Dare to enter the darkness?
The Legend Returns
Herobrine has returned. Cursed structures, shadow clones, epic boss fight, and dark portals await. Survive the apocalypse.
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
From The Shadows Reborn Mod (1.20.1, 1.20) – Fight the Darkness
From The Shadows Reborn Mod adds new hostile mobs, bosses, weapons, and progression systems centered around shadow magic and cursed creatures. Features: Introduces shadow mobs that spawn in the overworld and special biomes. Adds boss encounters tied to progression and loot. New weapons and armor sets infused with shadow energy. Defeating bosses unlocks recipes and […]
PopularMMOs Mod 1.7.10 (Evil Jen Boss)
PopularMMOs Mod 1.7.10 adds in all kinds of epic things, such as: PopularMMOs Boss, Evil Jen Boss, Gym Structure, new dimension and pink castle… Screenshots: PopularMMOs Boss: Attacks: Weight Throw (large), 10 Hearts Weight Throw (small), 5 Hearts Uppercut! 5 Hearts + Fall Damage Stats: 500 HPNo RegenArmor Rating of 2Takes fall damageInvulnerable to Fire […]
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 […]