Neoforge Mods for Minecraft 1.21
Browse 489 free Neoforge mods for Minecraft 1.21 — popular picks include Contoro's Ores+, The Titans, Cobblemon Sky Adventure.
Updated daily
Contoro's Ores+
This mod adds ores and new tools and armor, but with a twist. The player needs certain leveled tools to get stronger ores. This mod also adds a new dimension and a new boss.
The Titans
This Modpack add The Titans and other boss and titans mod!
Cobblemon Sky Adventure
Cobblemon but you are on Skyblock. Explore dimensions, fight trainers, fight boss. Create your own adventure !
Titans - World Bosses
Pixelmon World Boss Sidemod
All About Mobs - Creatures & Bosses & Combat
All About Mobs enriches your Minecraft experience by adding a plethora of new creatures to discover and interact with, enhancing the dynamics of each biome.
LAir's Bosses
This mod adds two bosses to the game, The Spirit of the Forest and Zeus, along with a new structure: Olympus.
Minecolonies - Order and Chaos
This is the official modpack from the youtube serie "Minecolonies Caos e Ordem". Create your own colonie in a dangerous world with buffed monsters and bosses.
Project Conquest
A action pack rpg game with multi player and over 3 new worlds plus space based on a show called invincible with many powers and bosses plus npcs where you have to destroy worlds or bring peace and fight many foes and complete the story line
Daily Boss x Brutal Bosses
Compatibility between Daily Boss and Brutal Bosses.

ScalingMobs
Adjusts the stats of bosses and mobs, multiplied by the number of players on the server.
Create: Cogs & Cataclysm
Immerse yourself in Create: Cogs & Cataclysm, a modpack where mechanical ingenuity meets high-stakes adventure. Built around the Create mod’s extensive automation and L_Ender’s Cataclysm's impressive dungeons and boss battles.
DeatButThreeReload
Prevent players from having to respawn multiple times to defeat some bosses
glorbins armoury
a mod that contains epic weapons and supreme bosses
Diary of an 8-Bit Warrior
Experience Aetheria like a Terrarian! Complete quests, kill bosses, and level up your skills! Maybe you'll even meet Runt and his friends…
Harry's Hostile Expansion
Adds many different hostile mobs, mechanics, structures & bosses.

Deltarune Project
This mod adds various elements of Deltarune chapters 1 and 2 to Minecraft. There are many new materials and bosses added to the game.
Project Obscura
Start Your Ultimate Exploration into an Adventure-Packed Modpack | Epic Dimensions & Massive Dungeons | Challenging Bosses | Stable Long-Term Multiplayer | Cozy Building & some Create Automation
DLCraft!
CHALLENGE SIX TIERS OF LEGENDARY BOSSES
Catch, Create, Conquer
The Ultimate Cobblemon RPG! Gyms 1-8, 20+ Bosses, All Megas from Z-A, 1000+ Quests, and Gambling!!
Arcadia Unlimited
Step into the worlds of Arcadia, start simply but slowly evolve to use kinetic technology and eventually complex machines. Explore the world, complete various quests, and defeat challenging bosses with your learned skills and magic.
Boss Checklist & Field Guide - Harrowing Hells Compatibility
Integrates the Cinderscourge boss from Harrowing Hells as an entry in the Boss Checklist mod.
DragonForge
Dragon Forge is a RPG–survival with skill-gated gear, Create-powered industry, mythic bosses & dungeons, and lush worldgen. 200+ content mods + 90+ perf/QoL. Built for multiplayer on MysticHorizonsMC.
Kurts FEN Community Pack
A modpack built for my Community and everyone else that enjoys a Tech and Magic heavy world filled with Dungeons and Bosses that need to be slain.
Winter Drop Ruined
Adds the Krakentilus boss, 2 new Nautilus variants, and some spear related content

Vital
A mod which adds clean, minimal, but readable SHADER COMPATIBLE health bars to each mob in the game (optionally replacing boss bars with colour coded bars per active boss too).
DeadSummons
This adds Magic of evil. We have three magic types, one boss. and items for your world!
OHPS10 Boss
Adds the boss "Obama Harry Potter Sonic 10"
Bosscraft 2: Remake
Bosscraft 2: Remake is an unofficial project inspired by Sthullen's famous mod for older and outdated versions of Minecraft. This project takes the iconic mechanics of the classic mod and integrates them into modern versions of the game.
PixelColonies: Arcane Journeys
Dimension and Exploration Modpack with very hard Bosses and other Creatures, as well as many diffrent dimensions and Quests
Sky Temple
This datapack adds the sky temple structure: a structure generated in the sky, containing a custom vault, a boss with custom loots and a giant mask (when wore, it turns you into a giant)
Eclipse Of Arcanum
you are in a new world, you only have your imagination, the goal is to defeat all the bosses
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)
TYAZVR Spider-Man
This mod is a Spiderman mob at add new things to do Bosses to fight this and is not the best but try
Castle and Farm
Farm and bossfight
ultimatium weapons
get the power to progress to high power with hard bosses
Fortnite 3: Victory Royale
Featuring GUNS, BOSSES, OP WEAPONS & ARMOR, MAGICAL CROPS, INSANE TECH this pack is loaded with crazy mods that'll throw you on a wild ride