Neoforge Mods for Minecraft 1.21
Browse 490 free Neoforge mods for Minecraft 1.21 — popular picks include Summoner Mod, The Angry Ghast, Explorisa.
Updated daily
Summoner Mod
A mod that adds 4 bosses and 4 structures. Almost no dependencies!
The Angry Ghast
Three new Ghast themed bosses, one for each dimension
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.
Daily Boss - More Config
Add more config for Daily Boss
stupid horror mod
this is a joke horror mod that adds a scary biome, where you have to kill scary creatures to collect scary souls to later craft into a boss altar and fight the boss. there is an ingot with good weapons that can take down most of the scary creatures.

Alternative Twilight(Remastered)
Added more mechanisms to the bosses of Twilight Forest, making it more time to prepare for them
Blood and Agony
Just a pack to have fun with friends, fight bosses, and level up together
Cobblemon Boss Bars
Pokémon inspired boss bars!
Weapons, bosses, and fun.
Modpack with various bosses to be defeated using firearms in an alternative and fun way.
Basalt Arena
This mod adds 3 new bosses and a new structure to Minecraft.
NakamaCraftNeko
the modpack about tech and magic you can fight boss with friend
Unknown Echoes
adventure Mod centered around exploration, puzzle-solving, boss battles, and progressive ability growth.
MBE - Absolumentium [RENEWED]
This mod adds Absolumentium, a powerful endgame ore made to beat the Warden or even stronger modded bosses. It’s balanced and requires Netherite gear first before you can upgrade to Absolumentium equipment!
Daily Boss x Cobblemon
DBxCobblemon is a compatibility bridge provided to integrate [DailyBoss] with [Cobblemon]
Document 17
Document 17 is a mod that adds in; 30+ characters (armors) two double chest's worth of items, a whole assortment of bosses to fight. and new- interesting ways to play the game. along with several base superpowers for players to use. want superheros? here.
KolegxixPL Magic RPG
dive into this mysterious world with new creatures spells bosses and quests
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!
Bosses And Mobs
Adds More Bosses To Minecraft,More Tools And Armor To Minecraft again...
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.
APackByRandomGuy (ABGF)
Over 200+ Bioms / More Tools, Weapons and Tec / New Bosses and Structures / More Buildingblocks
Alternative Twilight (Remastered version)
Added more mechanisms to the bosses of Twilight Forest, making it more time to prepare for them
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
Velorise EMC
A progression-focused EMC mod with transmutation, world tiers, alchemical machines, custom equipment, boss arenas, and endgame challenges.
Bosses and things
In this mod I added 3 new bosses and special items with them.
Minecraft-The CATASTROPHE mod
Adds new bosses to the base game, and overhauls the progression
Adaptive horde
Adaptive Horde adds progression-based mob waves that scale per player gear score. Configure custom waves, drops, and pacing per dimension (Overworld/Nether/End). Supports modded mobs/weapons with JSON overrides, boss bars, and live reload.
capybara’s play oritech
A 1.21.1 modpack combining futuristic tech, epic bosses, and chill capybaras — optimized (somewhat) for even old PCs.
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!
ATMIL - All The Mods I Love
A mix of all the great and underrated mods, contain various weapons and bosses. Basically an RPG modpack.