Minecraft Java 1.21 Mods
Browse 1,192 free mods for Minecraft Java 1.21 — popular picks include Better of Fabric 3, Fantastic Dungoneer, OutCombatLog.
Updated daily
Better of Fabric 3
Offers the latest & best of Vanilla+ Fabric mods on 1.21 | Explore breathtaking biomes & structures | Fight new bosses | Enter new dungeons & dimensions | Vanilla will feel empty after this
Fantastic Dungoneer
Explore a big randomly generated dungeon crawl filled with traps and bosses. :)
OutCombatLog
✨ Anti-PvP leave, Item CD, Punishments. BossBar, sounds, chat messages, and more!
X Journey
Dive into TX-Journey, where survival meets adventure, all with the classic vanilla feel. Build, craft, and explore a world filled with mysteries, from daily tasks to epic boss battles. Upgrade your enchantments and uncover endless possibilities.
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.
ZApocalypse
ZApocalypse is a Fabric mod for 1.21.1 that turns every night into a zombie wave, with elite variants, blood nights, and a Zombie Lord boss. As the apocalypse escalates, zombies evolve unique abilities while other hostile mobs retreat deep below Y=25.
The Mob
Mob Framework | YAML | Boss Phases | Radar HUD | AutoSpawn | Player Stats | 1.21.+
Bosses and things
In this mod I added 3 new bosses and special items with them.
Ends Multiverse
Bosses, dungeons, dimensions, vehicles and so much more
Minecraft-The CATASTROPHE mod
Adds new bosses to the base game, and overhauls the progression
BossBarAnnounce
An advanced plugin that can annouce things on the bossbar. More commands are comming soon! And Geyser support!
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.
Dyable BossBars
dye bossbars different colors
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
Quest Dimensions & Mob Hunts
A Minecraft quest datapack focused on mob hunting, dimensions, and milestone-based rewards. Progress through separate quests such as Overworld, Nether, End, Boss, Zombies, Undead, Arthropods, Animals, and Total Hostiles. Earn bonus experience
Daily Boss X souls like universe
Compat Daily Boss with souls like universe
ExtraGreetings
A feature-rich greeting plugin for Minecraft servers with customizable particles, titles, subtitles, action bars, boss bars, chat messages, and more.
Darkest Garden
Adds a new boss to the Pale Garden!!!
Kaths Simple Bossmobs
Adding a simple bossmob out of some enemies.
![Catch & Explore [Cobblemon Fabric]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/curseforge/466892.webp)
Catch & Explore [Cobblemon Fabric]
This Modpack offer an incredible avventure in the cobblemon word by adding new biomes and structures, and also some new mini-bosses
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!
ChatAlerts - Ultimate Chat Announcements
Easy to use chat alerts, actionbar, bossbar and title plugin.
Backported Spears Bosses of Mass Destruction Compatibility
Adds compatibility between Backported Spears and Bosses of Mass Destruction
Fractured Vanilla
A 1.21.1 Fabric modpack with 300+ mods enhancing Minecraft. Enjoy stunning biomes, smooth animations, optimized performance, epic bosses, and QOL tweaks.
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.
Bossclient
PVP Client for the best game experience
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.
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.
MCtale
Inspired by Hytale’s style, featuring colorful fantasy visuals, exploration-focused gameplay, RPG progression, dungeons, bosses, and a strong sense of adventure.
Spells & Sorcery
Datapack that adds Spellbooks, Alchemy, New Items, New Mobs, and even a New Boss!
MythicRewards | Boss kill reward/drop plugin with custom rule support | 1.20.5+
MythicMobs Support - Top damage rewards - 6+ reward type built-in - Create your own reward rule