Mods for Minecraft Java
Browse 319 free mods for Minecraft Java — popular picks include CobbleCatalyst, UltraRituals-Free, Sea Legend.
Step by step: How to install Minecraft Java mods & modpacks
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CobbleCatalyst
Adds Cobblemon trainer battle phases to Cataclysm boss fights, turning boss fights into hybrid combat and Pokemon battle challenges.
UltraRituals-Free
Offering altar system to summon bosses, free version
Sea Legend
Sea Legend adds a massive multi-phase ocean boss, the custom Leviathan Abyss biome, pirate ships, shipwrecks, lighthouses, exploration maps, unique loot, Abyssal armour and the powerful Fang Blade.
SimpleGPS
Advanced GPS navigation with interactive GUI menus, realtime Bossbar/Actionbar tracking, visual destination particles, Economy integration, permission limits, and SQLite support.
MagicAirdrops
Replace boring airdrops with new events with various rewards and bosses.
Growth Mobs
Growth Mobs adds powerful growth stages to Minecraft mobs, transforming ordinary enemies into massive bosses with unique abilities, custom boss bars, devastating attacks, and enormous health pools. Progress through new gear tiers.
7 Deadly Sins : Reworked
A feature-rich Paper 1.21.1 plugin introducing 70 custom enchantments, raid bosses, progression systems, and party-based gameplay inspired by the Seven Deadly Sins.
Passive Boss Bars
This is a lightweight, server-side mod for modpack creators that allows you to make boss bars only appear when a boss is aggro. The mod "Mob Boss Bars" is required for this to work.
Ala Loot
Random loot from the entire item registry - drop chance equals your XP level. Boss kills give legendary stacks. Multi-language, fully configurable, server-side only.
Benate
This is a mod that surrounds a new demigod/boss named Benate. This mod adds a desert dimension and a Forest dimension that have existed for many many years but not thoroughly explored.

Chaos Structures
Every 60 seconds, a random player is chosen and a random vanilla structure spawns nearby. Players receive countdown warnings and a bossbar timer, turning every world into unpredictable chaos.
Custom Boss Zoryth AI
Zoryth AI Boss is a premium, high-performance custom boss framework for Paper (1.21.x).
Yori3o's Trash 'n Brainrot
Stinking trash cans, 5G towers, a new boss - everything you needed
Godmode- wither rework
This mod entirely reworks the wither boss in minecraft, with custom loot, moveset, etc
![[BTW Addon] Music Player](https://cdn.modrinth.com/data/GwwNc370/9df9fedf26beafb7052d24778e96a9afe578fea9.png)
[BTW Addon] Music Player
A dynamic music engine for Better Than Wolves CE. Create custom Music Packs where music plays contextually based on dimension, biome, time of day, combat, boss battles, and more.
TS Better Boss Fighting
TSmod is a GPL v3 licensed balance mod that ensures pure and fair Minecraft Boss fights by implementing participant-death healing and suppressing surrounding mob spawns.
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.
Artifacts and Bosses
This mod adds new gems that can be collected from 4 new bosses
Sapphire Tools and Armor Mod
This mod adds Sapphire Tools, Armor, and a cool new boss.
BossReng's UI Mod
Boss_Reng and various Lofi music creators bring you the best visuals and the most comfortable acoustic experience in Minecraft!
Beyond The Edge
Many new dimensions, bosses, mobs, and ores that will help you progress through the mod. It is a progression-based mod, where each dimension increases in difficulty. It is a post-game mod. It is a mod with some story elements.
MythicKorra - Advanced ProjectKorra & MythicMobs Integration Addon
Expand your MythicMobs bosses with element-based mechanics, statuses, conditions and more!
Sleep Vote
Sleep Vote adds a configurable multiplayer night skip voting system to Minecraft, letting all players vote to skip the night with interactive chat buttons, boss bar feedback, and optional automatic night votes.
Randomizer Egg
Adds randomizer egg that spawns a random mob or boss when used.
MCHelper
MCHelper is a mod that makes managing commands and item bindings in Minecraft a little bit easier. Bind commands to items and get notifications in a boss bar.
The broken knight
a new nether bossfight to the game
WarFmod
A mod that adds new mobs and bosses to your world, as well as new features and items.
No Boss Health Bar
No more big health bars appearing in your screen. Small mod that does exactly like the name says.
Project: TitanSlayer
Slaughter Mobs and Bosses in a Doom Style

Descent into the Realm, Forsaken
A Java neoforge survival mod, intergrating custom weapons, a seasonal system, different boss progression, culinary aspects, new creatures, and much more.
Ragnar Mob Stats
Configurable system that assigns dynamic levels and stats to neutral and hostile mobs, with exclusions and rules by dimension, structure, and boss.
MOAR Tools
MOAR Tools is a progression and combat expansion mod that adds three new gear tiers, two dungeon systems, a full boss encounter, and a suite of custom mobs all designed around a dark, End-themed aesthetic.
Morrowless
A dark Minecraft horror mod with disturbing creatures, unique bosses, unsettling structures, lore, and dangerous nighttime encounters.
Zombieium
Zombieium adds configurable night-time zombie waves and an optional boss encounter with a red warning beam, fiery arrival effects, and unique drops.
BossHeart
A mode that makes playing more comfortable
Bosses recrafted
This project buffs the vanilla bosses (Elder guardian, The Wither and Ender dragon)