Mods for Minecraft Java
Browse 2,441 free mods for Minecraft Java — popular picks include MegaBlocked : Unofficial Remake, MagicWorld, WatcherBoss | Epic Multi-Phase Boss Fights [1.16.x - 1.21.x].
Step by step: How to install Minecraft Java mods & modpacks
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MegaBlocked : Unofficial Remake
Remake of the Mega Block Boss from Sthullen's Bosscraft Mod.

MagicWorld
added 4 elemental type magic ice fire air lighting all types has 4 skill in world added 2 new structures and 1 boss
WatcherBoss | Epic Multi-Phase Boss Fights [1.16.x - 1.21.x]
Immersive boss fight system with monuments, effects, and rewards
Skript | MVP Boss Party Rankings (TH/EN)
About attacks on Mythicmobs in Party and non-Party / It feels like a party helping each other defeat
Epic Encounters
Mod Mostly focuses on adding new Bosses like Fire God, Thunder Spartan, Master Witch, BlightCaller and Spawn Head | Aswell as some other items
BossBound Relics [drops & weapons]
New weapons as a reward for beating bosses !
bear5
A joke horror mod that adds stupid monsters, and a boss.
BossBarScale
Resize the boss bar with an easy in-game slider.
fwdmod
This mod by sjvwbwh,It added a little bit of content.This mod adds the boss—Kobe, among others. But It only supports Chinese translation.
NenCraft- Hunter x Hunter
A fan-made Minecraft Forge mod inspired by Hunter x Hunter, adding Nen progression, aura techniques, quests, special abilities, and a Chimera boss arena.
More Ore -
Mod that adds more content and more ore to minecraft. New content includes bosses, dimensions, weapons.
World's Whisper
Conquer shape-shifting bosses and craft elemental gear in a realm ruled by four mystical seasons.
BetterWitherDrop
Wither boss has chances to drop again from 1 to 2 wither skeleton skulls
Forsaken Crowns
A game of Crowns and Sins... (Adds 7 Bosses, each one based off of one of the 7 deadly sins. Each boss drops their crown, and might drop a weapon...) (For Lore, Download "Forsaken Lore")
SuperRH bosses
This mod adds some uh cool stuff like a very strong boss and a total red biome
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.
Fluorite: The Realm of Dreams
Adds a terraria-inspired sky dimension to Minecraft filled with bosses, a new progression system beyond Netherite and unique environmental mechanics.
⭐ LifeServer|Essentials|High Configurable Messages (Title & BossBar) | Customizable Gui|SQL Support⭐
A very well coded Essentials
Robot Legion
Build a steampunk robot army. Workers automate jobs while combatants fight beside you through three boss dungeons. Trade with engineer villagers for rare parts.
NexusMobs
NexusMobs is a comprehensive RPG plugin that transforms your Minecraft server by introducing over 20 unique bosses
JoinFirework By Senneistheboss
JoinFirework
ModernBosses
🟣 ModernBosses: The Corrupted Awakening ModernBosses is a lightweight, powerful, and highly customizable Minecraft plugin (1.20.x) that allows server administrators to transform any vanilla hostile mob into a formidable Corrupted Boss.

TNTNuke
This plugin allows players to spawn a massive TNT explosion at once, with a countdown timer and a visual bossbar showing progress. It also supports cooldowns and permissions to control who can use it.
AnnounceX
📢 Professional announcements with custom durations, colors, sounds & particles! Title + BossBar modes. Perfect for events! ⚡
Boss Forge
This is a bossing plugin with fully customizable bosses and drops
Summoners
Turns ordinary mobs into mini-bosses that summon reinforcements.
Cognitio
A chaotic world with strong monsters and bosses and cool artifacts with powerful abilities.
Rare Item Hunter | Rare loots, powerful bosses and epic upgrades
Bosses | New Enchantments | New Crafts | New Mechanics | Fully Configurable
Stoneworks Boss Timer
A simple QoL mod for Stoneworks Nether that adds a Boss Timer to the HUD
HexBoss
HexBoss is a fun mini-boss with 100% customizeable.
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
SuperVanish | Fully customizeable
Vanish your players like a boss!
FriedZane
A mod that adds new items and bosses that relates to the minecraft youtuber "FieryZane" and adds new awesome features to make minecraft more destructive and fun!
BarDeathMessages
Showing a Bossbar on Death, Great for PvP Servers
♂️ TheMob ✦ Advanced Custom Mobs & Bosses
Mob Framework | YAML | Boss Phases | Radar HUD | AutoSpawn | Player Stats | 1.21+
MythicTotem
Create your own BOSS totems! - Support unlimited size 3D totems!