Minecraft Java 1.21 Mods
Browse 267 free mods for Minecraft Java 1.21 — popular picks include IM - Industrial Magic, RealmsQuest, Spiria Reincarnated Again!.
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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.
RealmsQuest
RealmQuest - Fabric, designed for players who love epic adventures with original dungeons, bosses, and spells. It features expanded biomes, new tools.
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.
Every Single Beast
Diversify your journey through the world of Minecraft with new mobs, bosses and structures! 🌱❄️⚡
Magworm
a difficult but simple boss, also yet another A.B.E. pack
![BossBound Relics [drops & weapons]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/102501.webp)
BossBound Relics [drops & weapons]
New weapons as a reward for beating bosses !
More Ore -
Mod that adds more content and more ore to minecraft. New content includes bosses, dimensions, weapons.
MedivalWariaty
rpg playstyle with races and bosses
Ashenfall
Turning Minecraft into a crazy RPG, where you can upgrade with skills, conquer dungeons, slay bosses and so much more
Pixeltheris
Epic RPG Modpack 1.21 – explore dungeons, master magic, face challenging bosses, build and decorate, and enjoy enhanced combat, progression, and quality-of-life features. Optimized for multiplayer and private servers.
NexusMobs
NexusMobs is a comprehensive RPG plugin that transforms your Minecraft server by introducing over 20 unique bosses
Mine RPG
This is combination of mods to add more content to Minecraft including bosses, biomes, creatures. This is more RPG adventure style while keeping all vanilla. No extra metals or materials are added on this pack.
![Grandia Dungeons [Modpack]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/115224.webp)
Grandia Dungeons [Modpack]
A dark fantasy dungeon roguelike modpack with bosses, classes, cursed loot, magic, custom UI and atmospheric progression.
Elysian Horizon
A beautiful modpack with a lots of custom mobs, bosses, tools and mechanicts
Runeforge Chronicles
Runeforge Chronicles is an epic Minecraft modpack blending RPG progression and tech. Explore huge dungeons, level up skills, defeat bosses, and build massive factories with the Create mod. The perfect mix of magic, adventure, and automation!
In the Journeys
The mods expand Minecraft further with new ores, mobs, biomes, dungeons, bosses, and magic to discover.
idleProgress
🛡️ Level up stats, master RPG classes, and explore a world full of quests! 🌲 Realistic landscapes and new bosses.
Ray Caster
Ray Caster - get best wands , beast bosses and get op armour.
NeoAdventure
Just a modpack for quick play with buddies, lots of different bosses, multiplayer loot system, less focus on item storage or structure building, more focus on magic and item upgrading...
Frosty Day
New mobs, structure, boss and other cold stuff! ❄️
Hearthvale
A variety kitchen sink modpack designed to allow all kinds of players to enjoy. Explore dimensions, fight bosses, farm all sorts of crops, create automation machines, or transform the world with powerful magic.
Bros Cooked
Fun vanilla like modpack, adds bosses, ores, and MANY MANY enchants (also you can become nearly unstoppable)
Experiency Bosses
Experiency Bosses is a datapack that brings forth four legendary foes, each bearing unique treasures—from the Axolotl lurking in the ocean’s depths to the Wither Skeleton King, crowned in shadow.
BossRewards
Reward top damage dealers in MythicMobs boss fights!
MagicAirdrops
Replace boring airdrops with new events with various rewards and bosses.
7 Deadly Sins : Reworked
A feature-rich Paper 1.21.1 plugin introducing 70 custom enchantments, raid bosses, progression systems, and party-based gameplay inspired by the Seven Deadly Sins.
UltraRituals-Free
Offering altar system to summon bosses, free version
Worlds O' Plenty II
A new & updated curated modpack featuring all sorts of experiences!: - Adventure! - Decorations! - Bosses and Mobs a plenty! And of course... *drum rolls* Plenty of Worlds to explore! - Updated to 1.21.1 Neoforge!
Warden Fight: Reimagined
A vanilla-like overhaul of the warden boss fight
dungeoncraft-r
DungeonCraft is a modpack that brings the Minecraft Dungeons experience into Minecraft with new camera, dungeons, animations, and bosses.
Legends Awoken
Legends Awoken throws you into a world where forgotten myths awaken and ancient powers reshape the land. Magic flows through every corner, mysterious structures rise from the earth, and terrifying bosses guard treasures beyond imagination.
Boss Warps {Data Pack}
A lengthy escapade and a fierce scrimmage, followed by an effortless return home. Based on the Boss Rifts mod by jodlodi, but for the Fabric/Quilt-savvy users!
SmartRestart
Schedule server restarts and stops with a single command — every player sees a live countdown BossBar in exact minutes and seconds with dynamic color warnings and sounds.
EssenceBound
Adds 4 new bosses with special items and a crafting levelling system for 2 of them :)
Pepegwoh 2 Now In Colors
Jump into a world filled with things to explore and magic to uncover. Can you defeat the bosses?
Brian's Boss Items
Plugins that adds custom Boss Items