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Minecraft Java 1.21 Mods

Browse 63 free mods for Minecraft Java 1.21 — popular picks include True Ending ~ Ender Dragon Overhaul, ♪ Boss Music Mod ♪, Ender Dragon Fight Remastered.

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True Ending ~ Ender Dragon Overhaul
1.21.5fabric

True Ending ~ Ender Dragon Overhaul

True Ending: Ender Dragon Overhaul Public A dramatic overhaul to the Ender Dragon boss fight. New attacks and elegant particle animation come together to form a more satisfying ending.

7.9Mdownloads
♪ Boss Music Mod ♪
1.21fabric

♪ Boss Music Mod ♪

This mod adds music that plays during fights against the Wither and the Ender Dragon.

4.7Mdownloads
Ender Dragon Fight Remastered
1.20fabric

Ender Dragon Fight Remastered

A difficulty increase of Minecraft's final boss, with a focus on a somewhat Vanilla feel.

2.8Mdownloads
Mob AI Tweaks
1.21.11fabric

Mob AI Tweaks

Tweaks certain mob AIs, major or minor. Reworks the Wither and Ender Dragon boss fights!

1.4Mdownloads
True Ending: Ender Dragon Music
1.20

True Ending: Ender Dragon Music

An optional addition to True Ending adding new boss music to the Ender Dragon fight

176kdownloads
Boss Music Mod/Datapack
1.21fabric

Boss Music Mod/Datapack

This mod adds music that will play during epic frays against both the Wither and the Ender Dragon.

128kdownloads
Age Of Dragons
1.21.1neoforge

Age Of Dragons

Age of Dragons is a dark fantasy Minecraft mod featuring elemental dragons, custom classes, cinematic boss fights, and lore-driven progression. Face ancient trials, challenge forgotten kings, and uncover the truth behind the Dragonlands.

76kdownloads
[ Spellnomia ] -  Iron's Spells 'n Spellbooks magic modpack
1.21.11neoforge

[ Spellnomia ] - Iron's Spells 'n Spellbooks magic modpack

Master arcane mana and alchemy in this RPG adventure with Iron's Spells, mages, wizards, dragons, bosses, and grimoires. Explore dungeons, dungons, and biomes with opti performance, shaders, and immersive medieval fantasy sorcellerie

32kdownloads
Beyond Bosses 2
1.21.1neoforge

Beyond Bosses 2

This enderdragon overhaul will amaze you

25kdownloads
Beyond Bosses
1.21.4neoforge

Beyond Bosses

Beyond Bosses enhances the ender dragon boss introducing a new look to the end, a new ender dragon model, new boss attacks, and new boss music

24kdownloads
EnderDragon Boss Fight theme
1.17.1

EnderDragon Boss Fight theme

Ender dragon bossfight theme for epic fight (music by Resonant Tonality) !!

18kdownloads
Broken Heart of Ender (Dragons)
1.9

Broken Heart of Ender (Dragons)

Replaces "Boss" with "Broken Heart of Ender" from Minecraft Dungeons: Echoing Void!

9.0kdownloads
Ender Dragon Battle(mode 2)
1.9

Ender Dragon Battle(mode 2)

Replaces "Boss" with C418's "Battlemode 2" from Legacy Console's Battle Mini-Game!

9.0kdownloads
Vampires  Guns Dragons an Magic .
1.21.1forge

Vampires Guns Dragons an Magic .

This Mod pack is intended for low end pc and offers a variety of content from magic'' bosses' and a new dimension.

6.7kdownloads
Who Am I - Not Me
1.21.1neoforge

Who Am I - Not Me

Tear a dragon's heart from its chest, stitch a lich's spine into your own, forge the essence of bosses into your very body. Are you still you?

5.6kdownloads
Relics Of The Fallen Gods
1.21.8fabric

Relics Of The Fallen Gods

Relics Of The Fallen Bosses Adds custom Legendary Items that have a chance to drop when you kill a boss Items include: The wither Hammer Warden Chestplate and Ender Dragon Bow

4.8kdownloads
Relics Of The Fallen Bosses
1.21.8fabric

Relics Of The Fallen Bosses

Relics Of The Fallen Bosses Adds custom Legendary Items that have a chance to drop when you kill a boss Items include: The wither Hammer Warden Chestplate and Ender Dragon Bow

4.1kdownloads
Who Am I: Core
1.21.1neoforge

Who Am I: Core

Tear a dragon's heart from its chest, stitch a lich's spine into your own, forge the essence of bosses into your very body. Are you still you?

3.8kdownloads
DragonForge
1.21.1neoforge

DragonForge

Dragon Forge is a RPG–survival with skill-gated gear, Create-powered industry, mythic bosses & dungeons, and lush worldgen. 200+ content mods + 90+ perf/QoL. Built for multiplayer on MysticHorizonsMC.

1.8kdownloads
[WIP] DragonFist Legacy
1.21.1fabric

[WIP] DragonFist Legacy

(INCOMPLETE and WIP) Adds martial artists to Epic Fight, along with new content, structures, and mini-bosses throughout the world.

1.2kdownloads
Anti Boss Grief
1.21

Anti Boss Grief

Prevents the Ender Dragon and the Wither from giving your world a makeover.

813downloads
Klarian Chronicles Magic & Steel
1.21.1neoforge

Klarian Chronicles Magic & Steel

Fantasy RPG modpack tailored for private server combining Better combat, legendary bosses, dragons, four magic paths, MineColonies kingdom building, Create automation, vampirism, and rich decorative building content.

614downloads
creeper-apocalypse
1.21.11fabric

creeper-apocalypse

Mob Replacement System ALL mobs spawn as Creepers! with exceptions Exceptions that remain normal Blazes you still need blaze rods! Villagers or trading Ender Dragon final boss remains Iron Golem

429downloads
Kaizo Knight Boss Theme for Ender Dragon
1.9

Kaizo Knight Boss Theme for Ender Dragon

the vanilla boss theme is kinda lame ngl

49downloads
timerpluginmutils
1.21

timerpluginmutils

Adds a fully customizable timer system to your Minecraft server! Features a global timer visible to all players, personal timers for individual players, BossBar display, and automated rules like stopping the timer when the Ender Dragon dies.

45downloads
Boss Radar
1.21.1neoforge

Boss Radar

Craft a special compass that senses powerful mobs lurking nearby. Hold it to see a color-coded ring around your crosshair with the boss's name and distance, turning red as danger closes in — perfect for staying alert to the Ender Dragon, Wither, Warden

38downloads
The Fallen King - Ultimate Survival Challenge
1.20spigot

The Fallen King - Ultimate Survival Challenge

Extreme Bosses, Ninja Enderman AI & The Fallen King Dragon Phase.

36downloads
Boss Weapons Mod
1.21.4neoforge

Boss Weapons Mod

This is my first mod, so it's probably not very good. It adds some weapons for each mob that is generally considered a boss (Wither, Ender Dragon, Warden, and Elder Guardian).

33downloads
Dragonfight Updated
1.21.9

Dragonfight Updated

This datapack is an improvement of the dragon fight. With a new mini-boss and even more.

19downloads
Bosses' Rise Rebalanced
1.21.1

Bosses' Rise Rebalanced

Makes the dragon bone set more balanced for big modpacks.

13downloads
Dragoncraft Drygmy Blacklist Data Pack (1.21.1) – Earn Boss Loot Through Real
1.21.1

Dragoncraft Drygmy Blacklist Data Pack (1.21.1) – Earn Boss Loot Through Real

Dragoncraft Drygmy Blacklist Data Pack patches balance issues in the Dragoncraft modpack. It stops players from using Drygmy charms to easily farm certain powerful bosses and useful NPCs. By blocking these specific mobs, the game stays fair and challenging. You will have to fight big enemies the normal way instead of sitting back and collecting […]

Old Colors Programmer Art Resource Pack (1.21.11) – Classic Colors for Modern
1.21.11

Old Colors Programmer Art Resource Pack (1.21.11) – Classic Colors for Modern

Old Colors Programmer Art Resource Pack replaces vanilla block colors with classic textures from older versions of the game. It repaints items, shulker boxes, and building blocks to give your world a nostalgic feel. This pack even includes a fresh new look for the Ender Dragon to make your boss fights a bit different. Features: […]

Ender Dragon Reborn Resource Pack (1.21.11, 1.21.1) – A Terrifying Wyvern Boss
1.21.11

Ender Dragon Reborn Resource Pack (1.21.11, 1.21.1) – A Terrifying Wyvern Boss

Ender Dragon Reborn Resource Pack transforms the look of the final boss into a fierce, modern wyvern. It updates the old blocky design to make the boss look much more aggressive and scary. The new model keeps the smooth flying movements you are used to but adds realistic details that make it feel like a […]

Ender Dragon Revamp Resource Pack (1.21.11, 1.20.1) – Texture Pack
1.21.11

Ender Dragon Revamp Resource Pack (1.21.11, 1.20.1) – Texture Pack

Ender Dragon Revamp Resource Pack gives the Ender Dragon a fresh new appearance, improving its texture and design to feel more dynamic and modern. The pack reimagines the dragon in a unique style, breathing new life into the iconic boss of the End. Textures changed are: Ender Dragon, Dragon fireball, Elytra (on player) and Elytra […]

Void Dragon Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Void Dragon Resource Pack (1.21.1, 1.20.1) – Texture Pack

Void Dragon Resource Pack upgrades the Ender Dragon fight by giving the boss a sleeker, more intimidating look. Screenshots: Void Dragon Resource Pack Download Links For Minecraft 1.21.x (1.21.11, 1.21.10, 1.21.8, 1.21.5, 1.21.4, 1.21.3, 1.21.1, 1.21) and Minecraft 1.20.x 16x: Download from Server 1 – Download from Server 2

Reforged Boss Bars Resource Pack (1.21.1, 1.20.1) – Texture Pack
1.21.1

Reforged Boss Bars Resource Pack (1.21.1, 1.20.1) – Texture Pack

Reforged Boss Bars Resource Pack redesigns the vanilla boss bars (like the Ender Dragon and Wither) into larger, more detailed, pixel‑art styled sprites. Screenshots: Reforged Boss Bars Resource Pack Download Links For Minecraft 1.21.x (1.21.11, 1.21.10, 1.21.8, 1.21.5, 1.21.4, 1.21.3, 1.21.1, 1.21) and Minecraft 1.20.x 16x: Download from Server 1 – Download from Server 2