HomeJava1.21

Minecraft Java 1.21 Mods

Browse 16 free mods for Minecraft Java 1.21 — popular picks include Slayer's Beasts, Aerial Hell, [ Spellnomia ] - Iron's Spells 'n Spellbooks magic modpack .

Updated daily

FiltersBosses×Medieval×Nature×Clear all
Slayer's Beasts
1.21.4neoforge

Slayer's Beasts

Explore new structures and biomes to face off against beasts and bosses on the surface, or in treacherous dungeons.

357kdownloads
Aerial Hell
1.21.11fabric

Aerial Hell

Sky Dimension & Dungeons, Bosses - from 1.16.5 to 26.1.x

202kdownloads
[ 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
ReniDrags Molten Mayhem!
1.21.1neoforge

ReniDrags Molten Mayhem!

Explore the new biome that brings dungeons, dimensions, a custom boss, cool new custom items and of new tools!! Get on this mod baby!! Its super duper cool (source trust me bro)

1.4kdownloads
Explorisa
1.21.1neoforge

Explorisa

This modpack is centered around becoming stronger as you explore new structures, biomes, and even whole new dimensions, all the while defeating strong bosses, in a medieval/fantasy rpg setting.

734downloads
Better of Fabric 3
1.21.1fabric

Better of Fabric 3

Offers the latest & best of Vanilla+ Fabric mods on 1.21 | Explore breathtaking biomes & structures | Fight new bosses | Enter new dungeons & dimensions | Vanilla will feel empty after this

600downloads
RealmsQuest
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
Craft Colonies
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
Warhaven
1.21.5fabric

Warhaven

Warhaven is an adventure-packed guild modpack for Minecraft! Explore new biomes, conquer dungeons, battle bosses, and build your guild to dominate the world. ⚔️🔥

260downloads
In the Journeys
1.21.1neoforge

In the Journeys

The mods expand Minecraft further with new ores, mobs, biomes, dungeons, bosses, and magic to discover.

251downloads
Be happyy
1.21.1neoforge

Be happyy

🎮 Be Happy is a NeoForge 1.21.1 modpack for long-term survival with friends or solo. Build flying machines with Create Aeronautics, automate factories with Mekanism & AE2, fight Cataclysm bosses, explore new biomes & YUNG's dungeons — not a vanilla pack!

54downloads
Slayer's Beasts Mod (1.21.4, 1.20.1) – Diverse Mobs and Bosses
1.21.4fabric

Slayer's Beasts Mod (1.21.4, 1.20.1) – Diverse Mobs and Bosses

Slayer's Beasts Mod is an RPG mod in development, adding a large amount of fantasy content to the game. You will have access to new biomes to explore, new blocks, various dungeons, monsters, and much more. Features: Ant colonies Praying mantis Wither spider Ambient damselflies Ents (Oak & Birch – more to come) White/Black mushrooms […]

Oramoun RPG
1.21.1fabric

Oramoun RPG

Oramoun RPG is a fantasy-driven Minecraft RPG modpack focused on exploration, powerful progression, and epic combat in a massive world filled with new biomes, legendary weapons, dragons, and challenging boss dungeons.

784downloads
EpicCraft Explore
1.21.1neoforge

EpicCraft Explore

Enhance Minecraft with new biomes, dungeons, and structures while keeping the vanilla feel! Discover improved villages, bosses, and exploration tools for a fresh adventure! 🚀

766downloads
Dragon Priest Mod (1.21.1, 1.20.1) – Raid Nordic Crypts and Claim Legendary
1.21.1

Dragon Priest Mod (1.21.1, 1.20.1) – Raid Nordic Crypts and Claim Legendary

Dragon Priest Mod brings the iconic dragon priest masks, weapons, and dungeons from The Elder Scrolls into Minecraft. You can explore ancient Nordic ruins, fight undead Draugr lurking in cold biomes, and face powerful boss monsters. The mod adds a unique time-travel dimension called the Past, where you find the Dragon Forge to craft custom […]

Threateningly Mobs Continued Mod (26.2, 1.21.1) – Hunt Dangerous Beasts
1.21.1

Threateningly Mobs Continued Mod (26.2, 1.21.1) – Hunt Dangerous Beasts

Threateningly Mobs Continued Mod fills your world with dangerous creatures, summoning bosses, structures, and strong gear. It populates vanilla biomes with high-health monsters that hunt livestock and challenge survival players. You can forge unique weapons, explore dungeons and altars across multiple biomes, and open a portal to an uncharted dimension. Features: Spawns hostile creatures across […]