Data Packs for Minecraft Java
Browse 59 free data packs for Minecraft Java — popular picks include Roguecraft, Gravestone Dungeons Data Pack, Fishing Expansion.
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Roguecraft
A game changing data pack that aims to turn Minecraft into a Roguelite game, including new mechanics, a new final boss, upgrades, abilities and way more
Gravestone Dungeons Data Pack
This data pack adds dozens of small and massive dungeons, bosses, custom loot, magic spells, many custom weapons, enchantments and much more!
Fishing Expansion
Enhance the fishing experience with more loot, new enchantments, new boss, real mob fishing, special fishes, turtle armor and more!
Mo-Variants
This datapack adds many new mob variants that spawn naturally throughout the world! From simple Skeleton Barbarians to a GIANT Boss!
Just Boss Swords
Just a mod that lets you borrow the powers of the different boss
Warden Bossbar
The Warden didn't have a bossbar until now, so I just created one.
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.
MCS Ender Dragon
Improves Ender Dragon boss fight, Enderman AI, makes Phantoms more balanced and more new features. All features can be enabled/disabled with gamerules.
Overgrown's Origins: Wither Unleashed
Dare to face the ultimate challenge in Minecraft? Upgrade your game with Origins: Wither Unleashed, a pack designed to transform the Wither boss battle into a ferocious and thrilling experience reminiscent of the Bedrock Edition's intensity.
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.
Bossbar Expansion
This data pack/Mod add bossbar to minibosses in the game like Warden, Elder Guardian and Evoker.
Void's Titans
This Datapack will add 28 new bosses and 4 new superbosses! The Titans are nothing short of walking calamities.
Ea Nasir's Items and Bosses Pack
Introduces new bosses, items, and more!
Ender's Journey Ender Dragon Boss Battle Music Datapack
Ender Dragon Battle music Datapack used in the Ender's Journey Modpack
Nice Huds
Bossbar Huds for players holding Clocks, Compasses and Recovery Compasses. Also adds a calendar/time based event system including seasons.
Tales of Silta
A survival, multiplayer friendly datapack all about magic spells, wands, wizardry, fantasy races, lore, fighting evil bosses and exploration of ancient structures.
Improved Spiders
Adds 4 new types of spiders that can spawn as well as a spider queen boss that spawns in new spider den structures and many new items.
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.
Pirate Adventures
Pirates is a huge project for the Minecraft game in the form of a DataPack. By installing the required ResourcePack and the DataPack itself, you get a large number of new mobs, items, blocks, mechanics, and bosses.
Nice Blockhead Mobs
Adds cute, little Mobs (and 1 new Boss) made out of Miniblocks. No Ressource Pack required.
Journey to the North-East
A combat focused datapack that revolves around powerful new weaponry and deadly bosses.
RogueCraft Plus
An addon to the RogueCraft datapack! Adds new abilities, structures and a boss!
Giant Boss
Makes the unused giant into a boss fight and adds a new food as a reward.

Level MC
Adds a revamped Progression System, new Quests, and a Custom Boss
Limitbreak
Minecraft transformed into a roguelite wave-survival RPG with classes, relics, bosses, and permanent progression.
Bossbar Lib
A simple bossbar library allowing for per entity bossbars
Ranold's Boss Music (Datapack)
This is a work in progress resourcepack/datapack that adds boss music to bosses in minecraft!
Anti Boss Grief
Prevents the Ender Dragon and the Wither from giving your world a makeover.
Tensura Bosses-NEB Spawn Egg
Adding crafting recipes for boss spawn eggs from the Tensura: Reincarnated mod and the official addon Tensura: Not Enough Bosses.
More Bossbars
Adds bossbars to all the bosses in the game!
Cool Bosses & Crafts I - Data Pack
A new datapack focused on adding several new craftings, new enchants and new music disks and alot more in the future.
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!
UHC+
A data pack that adds in UHC, but with additional features like augments, special items/equipment, and bosses that spawn in during the game.
Warden Fight: Reimagined
A vanilla-like overhaul of the warden boss fight
Inferno World
Dimension, epic boss battle, and tools inspired by a magical hell
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.