Forge Mods for Minecraft 1.21
Browse 65 free Forge mods for Minecraft 1.21 — popular picks include Harrowing Hells, Sol's Title System, Crowncrawl.
Updated daily
Harrowing Hells
[NOW SURVIVAL SUMMONABLE] Adds the Cinderscourge, a highly developed boss entity with a diverse arsenal of attacks at its disposal. Usable in mob battles.
Sol's Title System
A rich title progression system. Players earn titles by completing in-game achievements — slaying mobs, surviving, or defeating powerful bosses. Each title displays above the player's head and in chat, and can grant unique stat buffs while equipped.
Crowncrawl
It is a mod still in development that aims to improve the vanilla experience of the game by adding new bosses and items.
Harsh Encounters
Adds custom strong bosses to the game.
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Bosscraft 2: Remake is an unofficial project inspired by Sthullen's famous mod for older and outdated versions of Minecraft.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.
ZKQ – Zombie King Quest (Boss Fight + Structures + Progression)
Adds a powerful Zombie King boss, custom structures, Frux ore progression, and epic weapons for adventure-focused survival gameplay.
Boss Checklist - Mob AI Tweaks Compatibility
Integrates the Ominous Phantomare boss as well as the reworked Elder Guardian and Ravager from Mob AI Tweaks as entries in the Boss Checklist mod.
The World of Crackers
A new cracker biome with a new boss!
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!
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.
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
SpellCraft - Magic World
A Harry Potter-inspired magic mod adding wands, spells, wizard dueling, potions, a leveling system, magical creatures, a wizarding village with traders, and dungeons — including a boss lair and a dementor-guarded prison.
Twilight Tweaks Mod (1.21.1, 1.20.1) – A True Final Boss to Conquer the Forest
Twilight Tweaks Mod adds configurable features to The Twilight Forest mod. This addon introduces a final boss spawner, giving the dimension a new ultimate challenge. By default, the spawner summons a very strong husk with reinforcements to fight. The mod also allows you to change what the spawner does, like summoning a different mob or […]
The Nether Dungeons Mod (1.21.8, 1.20.1) – Crying Ingot And Blood Weapons
The Nether Dungeons Mod adds maze-like dungeons, deadly custom mobs, and powerful loot. Found around Y=10, these dungeons hide chests, boss summoning rooms, and new gear like Crying Armor, summoning staffs, and blood-infused weapons. Features: Maze-style Nether dungeon structures at Y=10. 3 new bosses with unique attacks and drops. New items: Summoner Eye, Blood, Crying […]
Advent of Ascension Mod (1.21.1, 1.20.1) – Fight Bosses in New Worlds
Advent of Ascension Mod expands your Minecraft world with a massive amount of new content to explore. This mod adds many unique dimensions, creatures, and powerful bosses to fight. You can also discover new weapons, armor, tools, and a full skill system to level up your character. It’s designed to be a big adventure that […]
Divine RPG Mod (1.21.1, 1.20.1) – Eight New Realms to Conquer
Divine RPG Mod transforms Minecraft into a massive RPG adventure. This mod adds eight new dimensions to explore, each with its own secrets and challenges. You will encounter over 115 new mobs and powerful bosses to battle. It also includes hundreds of new items, weapons, armor sets, and decorative blocks to discover and use. Features: […]
Knight Quest Mod (1.21.1, 1.20.1) – Quests, Adventures, Rewards
Knight Quest Mod is a mod that adds over 30 armor sets, each with passive abilities, hostile mobs with unique skills, new weapons, tameable mobs, a boss with 3 phases, and much more. The mod revolves around a block called the Great Chalice, which must be filled with Great Essence (crafted by combining 4 Small […]
Fishing Expansion (Fabric/Forge/NeoForge/Quilt)
Enhance the fishing experience with more loot, new enchantments, new boss, real mob fishing, special fishes, turtle armor and more!
TFM's Best of All Worlds (Lightsabers, Wands, Terraria, Bosses, etc.)
Merging a plethora of franchises into one Minecraft mod.
RPG Style More Bosses : Exoframe
Adds a new boss and new weapons to the game. Add-on for RPG Style More Weapons
Pale Monarch --- Boss Mod
Mod that contains 1 boss and 2 new items
TFM's Mining Expansion (Drills, Ores, Bosses, etc.)
A mod that expands mining and exploration in the caves by adding drills, new ores, armor, weapons, and etc.
Soap's Weapons 'n Bosses
Mod filled with weapons and bosses from anime and games
Epic Bosses (Bosses)
A mod for epic bosses in minecraft that adds a lot of unique content.
Lava's banks dimensions and lucky blocks
a mod about exploration and fighting op bosses, best used in a modpack
Dread's RPG
Welcome to Dread's RPG, Fight New Bosses, Complete Dungeons, New Items and More on this RPG Mod
Imbossible
Minecraft bosses with the Giant Slime and Frost Titan. Featuring custom attacks, summons, and unique weapon drops.
Solsun
Add mob, boss, weapon, item and more