Data Packs for Minecraft Java
Browse 235 free data packs for Minecraft Java — popular picks include Daily Boss X Wither Storm, Cool Tools & Weapons - Data Pack, Steve's Custom Bosses Data pack.
Updated daily
Daily Boss X Wither Storm
this datapack make daily boss and cracker's wither storm compatible
Cool Tools & Weapons - Data Pack
This Data Pack adds: 5 new bosses,30+ new items,1 new dimension,1 new soul system to allow changes to spawners in a survival friendly way,3 new structures to that dimension,5 new biomes;
Steve's Custom Bosses Data pack
This data pack adds custom recipes, advancements, challenges, and bosses to the game, all with vanilla mechanics!
Modded Cobblemon Together Integrated structures
Adds 18 type gyms, Pokécenters, themed loot, trainer spawns, discovery rewards, and custom boss progression. Includes Misty’s water-breathing fix.

Bosses Reimagined
This is release of Bosses Reimagined. It is release but ,if you have any bugs you can message me.
Daily Boss X Twilight Forest Final Boss (remake)
this datapack makes daily boss and twilight forest final boss (remake) compatible
Custom Boss Template
Easy custom boss template for Minecraft 1.21+. Fully configurable health, name, appearance, phases, attacks, messages and rewards. Perfect for adventure maps and servers.
Warden Boss Bar
A datapack that adds a boss bar for the Warden and a new advancement for killing it.
Daily Boss X BOMD
this datapack makes daily boss and bosses of mass destruction compatible
Daily Boss X Twilight
this datapack makes daily boss and twilight forest compatible
Arcanum gateway pearl
A simple datapack for the implementation of an arcanus boss rush pearl to the Trials of Arcanum modpack
Hardcore Adventures DataPack
DataPack for uniq loot from bosses from mods aquamirae, adventurez, BOMBD, wetlands
Dynamic Difficulty More Hard
Level Adjustment for Mobs and Bosses in the DENLAND Modpack by Guzk
Explorer's Journal
A chat-driven exploration journal. Discover biomes and structures, get notifications, details, toggle a bossbar, view your full journal with /trigger
Chain Accessories
Wear chains like a boss
Custom Entity API
A datapack API allowing anyone to add custom entities, or bosses, to Minecraft: Java Edition, powered by Animated Java.
Timber´s Call
Timber’s Call adds Grimbark, an automatic woodcutting NPC, unique workstations for progression, mystical crafting, and a boss fight — all without a resource pack. Answer the call!
Giant Boss
giant bossfight datapack using vanilla minecraft
Bossbar Day-counter
Adds a day counter and displays it in the boss bar.
Cataclysm Bosses in Dungeon Realm by Karl Karlmann
Simple Datapack that places Cataclysm Bosses and Mobs inside Dungeon Realms
Everything Bossbar UW add-on
This Datapack adds Bossbars for every mob
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 Invisible Cheater
There's a new boss in the world
Attrition
A world that answers your progress. 600+ mechanics: bleeding, thirst, curses, diseases, rebuilt bosses and a world that learns from every mob you kill.
Dragonfight Updated
This datapack is an improvement of the dragon fight. With a new mini-boss and even more.
Daily Boss X The Aether
this datapack makes daily boss and the aether compatible
Daily Boss X Ancient Elements
this datapack makes daily boss and ancient elements compatible
Elkonia: Phantom Keep
A rare dungeon keep with twelve boss encounters, puzzle rites and a deserted ward village. There were seven keeps; six remain. The seventh was lost, and has been seen in many places since.
Endmode 2 | Terraria Style Datapack
Terraria inspired overhaul to progression. New bosses, items, etc.
Bosses' Rise Rebalanced
Makes the dragon bone set more balanced for big modpacks.
Cursed Limitless Resonance Data Pack (26.1.2, 1.21.11)
Cursed Limitless Resonance Data Pack brings anime-inspired cursed energy powers, special tools, and dangerous bosses to your survival world. You can charge up cursed energy to strike with crushing critical hits, unleash famous special moves, and summon tough minibosses for unique drops. Every technique fits right into survival gameplay with craftable items and power progressions. […]
Essence Summoner's Forge Data Pack (1.21.1) – Summon and Fight Bosses Whenever
Essence Summoner's Forge Data Pack adds crafting recipes for boss spawn eggs from Tensura: Reincarnated and Tensura: Not Enough Bosses. This data pack lets you create items to summon powerful bosses whenever you want. You can now craft eggs for enemies like the Supermassive Slime or Orc Disaster. It makes finding and fighting these bosses […]
Apex Raid Protocols Data Pack (1.21.1) – Hunt Raid Dens and Catch Rare Monsters
Apex Raid Protocols Data Pack extends Cobblemon Raid Dens with tough boss battles, fresh creature abilities, and unique regional monsters. You can track down special dens built with calcite and skystone across your world to challenge these powerful foes. Each encounter brings competitive movesets and rare skill combinations that test your battle tactics. Defeating these […]
Tensura Gateways Data Pack (1.21.1) – Battle Relentless Fantasy Bosses
Tensura Gateways Data Pack adds custom wave-based trials for Gateways to Eternity. It brings mobs from Tensura: Reincarnated and powerful bosses from Tensura: Not Enough Bosses into the portal battle system. You can test your gear across ten distinct portal challenges packed with themed enemies. Each battle pits you against waves of fantasy creatures for […]
Orbital Wolf Cannon Data Pack (26.2, 1.21.11) – Summon Massive Armies
Orbital Wolf Cannon Data Pack equips you with special fishing rods that summon massive waves of powered-up war dogs. You can call in dozens or even hundreds of loyal wolves to overwhelm hostile monsters, defend your base, or crush tough bosses. Every summoned dog comes with extra speed, fire resistance, and boosted attack strength to […]