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Minecraft Java 1.21 Mods

Browse 1,192 free mods for Minecraft Java 1.21 — popular picks include Legendary Enchantments[1.21-1.21.1], PalutenBoss, Tales of the Third Age - Balrog.

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1,192 mods

1.21

Legendary Enchantments[1.21-1.21.1]

Have fun with the new enchantments and the new boss!

481downloads

1.21spigot

PalutenBoss

Ein Fan Plugin für den YouTuber -> Paluten

481downloads

1.21.1fabric

Tales of the Third Age - Balrog

Adds a Balrog Boss to your Middle Earth modding experience!

477downloads

1.21

Easter Holidays

Transform your server into an Easter event with egg hunts, rare bunnies, stats, bosses, quests, and more.

476downloads

1.21.1neoforge

Grandia Dungeons

A dark fantasy roguelike dungeon adventure with classes, bosses, cursed loot, magic, traders and procedural floors.

464downloads

1.21.1neoforge

Prototype 0.3

currently just adds some custom armor and weapons not much. later there will be bosses, extra mobs, A third set of armor, even more weapons, maybe vehicles, and a lot more.

458downloads

1.21.3fabric

TheLounge Official Modpack

The ultimate experience for TheLounge server. An experience more integrated with it's custom equipment and bosses alike. Play now even on vanilla at: play.theloungemc.com

457downloads

1.21.1neoforge

Matt's Fat Pack

Explore mystical dimensions, conquer legendary bosses, and engineer impossible contraptions.

454downloads

1.21.11fabric

More Hide Gui

This is a small mod that lets you hide unnecessary UI elements, specifically status effects and the boss bar. I originally created it for personal use, but I thought some of you might find it useful too! :)

453downloads

1.21.1neoforge

Crowned Herobrine [LEGACY]

Adds a new boss called Crowned Herobrine that is a formidable opponent. He drops a useful crown ;)

441downloads

1.21.4neoforge

Cowzilla

This mod adds in hostile cows, giant cows, and huge cow boss as well as cow based weapons.

438downloads

1.20.1

Daily Boss x Legendary Monsters

Compat Daily Boss with Legendary Monsters

434downloads

1.20

AimTimer

AimTimer is a lightweight and easy-to-use plugin for Minecraft that allows you to create countdown timers using the boss bar, action bar, experience bar, or a combination of them. You can easily add or take time, display personalized messages, and cho

434downloads

1.21.1neoforge

IM - Industrial Magic

Industrial Magic is a 1.21.1 modpack focused on automation, technology, magic, and exploration. Build factories, master magic, explore new worlds, and face powerful bosses—all in one epic adventure.

431downloads

1.21

DestructionSMP Plugin

This Plugin adds Mace of the heavens, Excalibur, a god spear, god armor, and custom boss drops

429downloads

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

1.21.1fabric

BossTimer-Mod

BossTimer-Mod is a Fabric server-side Minecraft mod that lets admins create and run configurable countdown timers displayed via boss bars, with optional messages, triggers, and commands before and after the timer ends.

428downloads

1.20.1forge

RealmsQuest

RealmQuest - Fabric, designed for players who love epic adventures with original dungeons, bosses, and spells. It features expanded biomes, new tools.

427downloads

1.21.3fabric

Secret of the Ancient City: Echo Dimension

The mod adds a spooky Echo Dimension, custom structures, powerful echo-based tools and armor, unique functional blocks, dangerous natural spawns, and a major boss fight against the Echo Warden Monarch.

418downloads

1.21.1neoforge

Spiria Reincarnated Again!

With Tensura: Reincarnated and many addons, expanded dimensions, new structures, bosses, biomes, and plenty of quality-of-life mods, the pack offers an epic adventure that combines building, combat, and character progression.

416downloads

1.19

BossBar Announcements

This is a Minecraft plugin that displays server-wide announcements as a boss bar with time-based progress indication.

415downloads

1.21.4

Every Single Beast

Diversify your journey through the world of Minecraft with new mobs, bosses and structures! 🌱❄️⚡

413downloads

1.21.4neoforge

Boss Update

This mod adds three new distinct bosses with custom drops and powers. (also available in multiplayer worlds.)

412downloads

1.21.1forge

SpellCraft - Magic World

A Harry Potter-inspired magic mod adding wands, spells, wizard dueling, potions, a leveling system, magical creatures, a wizarding village with traders, and dungeons — including a boss lair and a dementor-guarded prison.

404downloads

1.20.1

Excalibur | Boss Checklist Support

A retextured chronicle of your conquests!

401downloads

1.21.3

Deepslate Titan Boss

A datapack that adds a new boss : the Deepslate Titan

401downloads

1.21fabric

Muck Bosses

A Mod that add Muck Bosses To Minecraft!

400downloads

1.16spigot

WatcherBoss | Epic Multi-Phase Boss Fights [1.16.x - 1.21.x]

Immersive boss fight system with monuments, effects, and rewards

394downloads

1.21.5fabric

Breeze Island

Adds a sky island with loot and a boss fight.

392downloads

1.21.1neoforge

bear5

A joke horror mod that adds stupid monsters, and a boss.

391downloads

1.21.8fabric

BossBarScale

Resize the boss bar with an easy in-game slider.

385downloads

1.21.1neoforge

Craft Colonies

Build your own medieval colony, automate factories with Create, face epic bosses, and explore a vast world full of unique biomes, structures, and adventures.

373downloads