Neoforge Mods for Minecraft 1.21
Browse 163 free Neoforge mods for Minecraft 1.21 — popular picks include We The Horsemen, Tensura Abyssal Reincarnation, All The Maus 1.
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We The Horsemen
We The Horsemen – A modded Minecraft experience focused on economy, automation, and adventure. Build with Create mod, trade in a player-driven economy, and conquer bosses across dimensions. Hard mode, no easy teleportation—logistics and teamwork matter!
Tensura Abyssal Reincarnation
Tensura Abyssal Reincarnation is a dark, cozy SMP modpack blending magic, exploration, and survival. Master spells, automate with Create, and face deadly bosses in a semi-anarchy world where freedom rules and every choice shapes your path.
All The Maus 1
An epic adventure awaits with many bosses, dimensions and biomes!
Enigmatica 10 - Bosses Unleashed
This modpack adds more bosses to the Enigmatica 10 modpack
Headaches!
Headaches! is a Minecraft mod that adds new structures inhabited by the most absurd and unconventional mini-bosses—all characterized by having disproportionately large heads. Discover a challenging new adventure!
SC Final Adventure - Machines
Hunt bosses, farm their essence through Easy Mob Farm and Create New Age, and craft your way to the End in a guided 1.21.1 factory-and-adventure pack.
Super Duper Modern Vanilla Plus
Large modpack that completely changes experience revamping world generation, adding more bosses, food, tools and still makes the game feel vanilla-like!
Norious
Bored of not Having enough strong bosses to fight? Ever Wanted To become a God and fight Demons In Minecraft? This is the mod for you.
Elexir [CSD]
Step into ELEXIR - This modpack is magic, automation and adventure. Here you can explore the world as well as magic or mechanisms to make life easier. Ancient artifacts, bosses other worlds are created for gameplay variety
Summoner Mod
A mod that adds 4 bosses and 4 structures. Almost no dependencies!
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.
Blood and Agony
Just a pack to have fun with friends, fight bosses, and level up together
Weapons, bosses, and fun.
Modpack with various bosses to be defeated using firearms in an alternative and fun way.
Unknown Echoes
adventure Mod centered around exploration, puzzle-solving, boss battles, and progressive ability growth.
Prismara
Dive into the fascinating world of Prismara, where magic and exploration come together. Explore vast biomes, face powerful bosses, and uncover the secrets of various schools of magic and witchcraft.
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.
Gabaland 3
A varied modpack that contains everything from exploration and bosses to nuclear reactors and magic!
TCC - Skyzone
An expert-mode 1.21.1 NeoForge skyblock pack with tech, automation, and magic (Mekanism, Create, Oritech, Ars Nouveau), exploration dimensions, and scaled-up Apotheosis difficulty for tougher mobs and bosses.
Fantastic Dungoneer
Explore a big randomly generated dungeon crawl filled with traps and bosses. :)

Techless
A Mod that adds 3 new bosses with unique phases Fight them to craft Legendary weapons in this Vanilla+ progression mod Made using Mcreator
Minecraft-The CATASTROPHE mod
Adds new bosses to the base game, and overhauls the progression
The Aether Survival
Here the goal is to survive starting in the Aether and work your way from defeating bosses in the aether to getting to the overworld
Grietina
Custom quests, exploration, create automation, bosses. Immerse yourself in this beautifully assembled pack!

Hyrinity (Legacy)
An overall content mod adding progression, bosses, dimensions and more!
BiiBiiCraft
A modpack focused on the Create mod, combining exploration, automation, and a variety of challenging world bosses in a richly diverse world.
KONOCRAFT OFFICIAL
Hello, this modpack is based on the world of Konosuba so you can have fun. It's an RPG with many structures and some bosses. Enjoy!
Labyrythm
Labyrythm is a Neoforge mod for Minecraft 1.21.1 that challenges players with a procedurally generated, sound-reactive maze and a unique boss encounter.
Grandia Dungeons
A dark fantasy roguelike dungeon adventure with classes, bosses, cursed loot, magic, traders and procedural floors.
Matt's Fat Pack
Explore mystical dimensions, conquer legendary bosses, and engineer impossible contraptions.
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.
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.
Boss Update
This mod adds three new distinct bosses with custom drops and powers. (also available in multiplayer worlds.)
Breeze Island
Adds a sky island with loot and a boss fight.
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.
More Ore -
Mod that adds more content and more ore to minecraft. New content includes bosses, dimensions, weapons.
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!