Forge Mods for Minecraft 1.21
Browse 126 free Forge mods for Minecraft 1.21 — popular picks include Explorer´s & Marriage, Boss Checklist & Field Guide - Harrowing Hells Compatibility, DeadSummons.
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Explorer´s & Marriage
A light modpack with structures, bosses and the chance to have a happy family
Boss Checklist & Field Guide - Harrowing Hells Compatibility
Integrates the Cinderscourge boss from Harrowing Hells as an entry in the Boss Checklist mod.
DeadSummons
This adds Magic of evil. We have three magic types, one boss. and items for your world!
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Bosscraft 2: Remake is an unofficial project inspired by Sthullen's famous mod for older and outdated versions of Minecraft.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.
Eclipse Of Arcanum
you are in a new world, you only have your imagination, the goal is to defeat all the bosses
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.
ultimatium weapons
get the power to progress to high power with hard bosses
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.
Iron Islands
Adds 6 different dimensions and 4 bosses.
CrisisCraft
This mod pack features Magic, Battles, Bosses, and a new immersive gameplay experience.
The World of Crackers
A new cracker biome with a new boss!
POIs and Raid-Bosses
Trigger raid‑style events at custom Points of Interest where players sacrifice items for rewards and hidden enemy challenges.
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!
re;Tensura
🧬 ᴿᵉ;tensura — A TTIGRAAS Minecraft SMP featuring factions, PvP, skills, nations, bosses, dungeons, and constant progression. Active staff, balanced gameplay, events, and a custom 1.21.1 modpack. Join: https://discord.gg/Ya6BA38uUY
Luminae
A Steampunk Fantasy Exploration with over 7+ dimensions with bosses and legendary loot
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!
Massive MMO
A fantasy MMO-style modpack featuring RPG progression, unique classes, skill leveling, dungeons, bosses, and an open-world adventure experience. Designed for cooperative multiplayer with performance upgrades for smooth gameplay.
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
Blood and Agony
Just a pack to have fun with friends, fight bosses, and level up together
NakamaCraftNeko
the modpack about tech and magic you can fight boss with friend
Dying to discover
this modpack is great for people who like exploring vast landscapes, with a bit of a challenge, and fighting new bosses that give great rewards.
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.
Ends Multiverse
Bosses, dungeons, dimensions, vehicles and so much more
BiiBiiCraft
A modpack focused on the Create mod, combining exploration, automation, and a variety of challenging world bosses in a richly diverse world.
Frog Central
Frog Central is a modpack with plenty to do. Plenty of bosses, regions, dungeons, loot, and slice of life mods come together to make a modpack for every player. FC is rounded to appeal to every type of player from fighters to farmers to flower pickers.
RealmsQuest
RealmQuest - Fabric, designed for players who love epic adventures with original dungeons, bosses, and spells. It features expanded biomes, new tools.
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.
Luminous Halloween Mod (1.21.1, 1.20.1) – Halloween Boss and Moon Magic
Luminous Halloween Mod is a spooky-themed Minecraft mod that adds a special boss event and themed items for a Halloween-style adventure. The mod focuses on a pumpkin-based boss, new crafting materials, and unique rewards. Features: New Boss Adds a Halloween boss called the Horseless Headsman Summoned by building a special structure Designed as a challenging […]
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 […]
Wither Spawn Animation Mod (1.21.1, 1.20.1) – A True Boss Entrance
Wither Spawn Animation Mod enhances the Wither summoning. Instead of the usual instant spawn, players will witness a build-up sequence. Features: Adds an animation before the Wither spawns. Feel the tension build before battle. Makes the Wither feel like a true boss. Works with other mods. Screenshots: Wither Spawn Animation Mod Download Links For Minecraft […]
Arthropod Phobia Expansions Mod (1.21.1, 1.20.1) – Face Your Fears
Arthropod Phobia Expansions Mod is an advanced RPG and horror-themed mod designed to expand Minecraft's endgame with realistic arthropods and terrifying stalker bosses. Features: Stalker Bosses These are relentless, death-bringing entities with advanced AI to track and hunt you across great distances. Hallucination entities and lightning strikes signal their presence. They can also be summoned […]
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: […]