Minecraft Java 1.21 Mods
Browse 1,188 free mods for Minecraft Java 1.21 — popular picks include BOSS GUI Pack, BeacmcBoss, Just All Mods - JAM.
Updated daily
BOSS GUI Pack
BOSS is a themed GUI Texture Pack.
BeacmcBoss
The best solution for your server
Just All Mods - JAM
Jams is a modpack built for everybody you want bosses, cozy cooking and farming mods, new pets or tech mods? Well JAM has all of that plus more we have 1000+ quest in case you're new to mods come on and give it a try.
Paladin's Journey
A mod that adds new: bosses, ores, armor sets, weapon types, and even special legendary weapons. Made for the Paladin's SMP.
Obsidian Dimension by Sparschweincrafter
This mod adds a obsidian dimension with custom bosses,biomes...
Imbossible
Minecraft bosses with the Giant Slime and Frost Titan. Featuring custom attacks, summons, and unique weapon drops.
My Name Is Giorno Giovanna and I Have An Entire Hotbar of Frying Pans
A mod pack with a little something for the mage, the swordsman, the farmer, the explorer, the collector, and the guy that just wants to fight bosses.
Solsun
Add mob, boss, weapon, item and more
Kingdoms Reborn
200+ Mods + Resource Packs! Minecolonies, RPG Classes, L_Ender's Cataclysm, Bosses'Rise, Refined Storage, Ars Nouveau, and Create all in one!
Snowy's Bosses
Adds new bosses
BossTweak 3D+
Official resource pack of Boss RPG: corrects visual problems, improves textures and adds 3D models. Essential for optimal experience.
Celestia Sanctum
This is a Epic quest/story driven modpack that mixes magic and raw power for you to take on the bosses that are in your way. With a lot of new/old ways for you to discover
MagicAirdrops fully customizable events, no resource packs✨
Replace boring airdrops with new events with various rewards and bosses
MegaRPG
11 new Dimensions | Over 20 Bosses | Complete Overhaul of the Overworld and Nether
BossbarCompass
Dynamic compass in the boss bar
ShowRegion | Names of regions in Action and Boss Bar + CUSTOM messages for specific regions
Names of regions in Action and Boss Bar + CUSTOM messages for specific regions
zBossBars
Fully Customizable Animated Boss Bars for Minecraft
Vyrnax MMORPG Core | Ultimate RPG | Classes, Bosses, Dungeons & More
Build your complete Minecraft MMORPG with one powerful modular core
![YKGuilds - A Premium Guild Plugin [Guild Bosses, Guild Levels, And Much More!]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/spiget/393016.webp)
YKGuilds - A Premium Guild Plugin [Guild Bosses, Guild Levels, And Much More!]
A Premium Guild Plugin with lot of Features
Water Boss
Giant Manta Ray
RHAnvils
🇩🇪 Items umbenennen (MiniMessage), kombiniert Verzauberungen, verhindert Steigerung von Kosten im Amboss
Apex Raid Protocols Data Pack (1.21.1) – Hunt Raid Dens and Catch Rare Monsters
Apex Raid Protocols Data Pack extends Cobblemon Raid Dens with tough boss battles, fresh creature abilities, and unique regional monsters. You can track down special dens built with calcite and skystone across your world to challenge these powerful foes. Each encounter brings competitive movesets and rare skill combinations that test your battle tactics. Defeating these […]
Ironbound Combat Tactics Mod (1.21.11, 1.21.1) – Master RPG Classes
Ironbound Combat Tactics Mod brings class progression, special talents, and fresh combat mechanics into your game. You can battle bosses that respawn after defeat, collect legendary gear, and build your character with active and passive abilities. Enemies grow stronger as you advance, dropping better loot along the way. The mod also reworks enchanting rules and […]
Lithic Vault Trials Modpack (1.21.1) – Conquer Underground Trials And Tech
Lithic Vault Trials Modpack traps you deep inside a world made entirely of solid stone where you must dig, build, and survive. Talk with helpful holographic Echo NPCs, breed resource chickens, and power up a giant ancient machine to uncover lost technology. Defeat tough dungeon bosses and master high-tech reactors to craft godlike endgame gear. […]
Abyssal Horizon Mod (1.21.11, 1.20.1) – Build Underwater Bases in an Oceanic
Abyssal Horizon Mod introduces a deep ocean dimension filled with underwater biomes, aquatic creatures, and sunken structures. This mod provides a dedicated aquatic realm where players can build underwater bases, tend submerged farms, and challenge a dangerous sea boss. It includes water-friendly items like waterproof doors, customizable chandeliers, and unique marine minerals. Features: Adds four […]
Hadopelagic Reach Mod (1.21.1, 1.20.1) – Survive Deep Ocean Depths
Hadopelagic Reach Mod transports players into a deep underwater realm filled with dark biomes, dangerous predators, and giant bosses. Players enter this aquatic world by entering a typhoon, encountering extreme water pressure, toxic zones, and hidden chasms. The mod adds tameable sea life, mountable sea creatures, rare crafting ores, and powerful combat gear tailored for […]
Tensura Gateways Data Pack (1.21.1) – Battle Relentless Fantasy Bosses
Tensura Gateways Data Pack adds custom wave-based trials for Gateways to Eternity. It brings mobs from Tensura: Reincarnated and powerful bosses from Tensura: Not Enough Bosses into the portal battle system. You can test your gear across ten distinct portal challenges packed with themed enemies. Each battle pits you against waves of fantasy creatures for […]
Abyssal Tides Mod (1.21.1, 1.20.1) – Build Underwater Bases in a Vast Ocean
Abyssal Tides Mod introduces a deep ocean dimension built for underwater survival. It fills the world with submerged biomes, sea plants, and custom marine life. You can explore sunken ruins, collect rare sea resources, and fight a powerful ocean boss. The mod focuses on creating a complete aquatic environment for players who want to build […]
Chems' Guns Data Pack (26.2, 1.21.11) – Craft Custom Firearms and Rain
Chems' Guns Data Pack extends Gun Core with over 65 firearms, explosive weapons, and heavy artillery for Minecraft. This data pack divides weapons into eight distinct tiers, ranging from basic early-game handguns to late-game airstrikes and Tesla cannons. Players can assemble every firearm at standard crafting tables, defeat bosses to claim destructive weaponry, and protect […]
Cobblemon Interface Embossed Legacy Modded Resource Pack (1.21.11, 1.21.1)
Cobblemon Interface Embossed Legacy Modded Resource Pack extends Cobblemon Interface Embossed Legacy by adding matching textures for extra community mods. This pack repaints inventory screens, item menus, and modded pop-ups using the same embossed textures and dark color palette. It keeps your game looking unified when you load extra creature-catching addons into your world. You […]
Orbital Wolf Cannon Data Pack (26.2, 1.21.11) – Summon Massive Armies
Orbital Wolf Cannon Data Pack equips you with special fishing rods that summon massive waves of powered-up war dogs. You can call in dozens or even hundreds of loyal wolves to overwhelm hostile monsters, defend your base, or crush tough bosses. Every summoned dog comes with extra speed, fire resistance, and boosted attack strength to […]
Miracleforest Mod (1.21.1) – Conquer Enchanted Biomes and Forge Stardrop Gear
Miracleforest Mod introduces fresh biomes, hidden structures, and powerful gear sets to your survival world. It expands both the Overworld and the Nether with tough boss battles, unique ore types, and seven new kinds of trees. You can collect rare fruits from ancient ruins to craft special tools and take down dangerous monsters. Features: Biomes […]
Legendary Spellbooks Mod (1.21.1, 1.20.1) – Cast Deadly Boss Magic
Legendary Spellbooks Mod adds monster abilities from Legendary Monsters into Iron's Spells'n Spellbooks. It turns hostile boss attacks and monster skills into craftable spells that you can cast from spellbooks and scrolls. The mod introduces a brand new magic school alongside many elemental spells across existing schools. You can now wield the same magic that […]
Dungeons and Villages Deeper and Darker Data Pack (1.21.11, 1.20.1)
Dungeons and Villages Deeper and Darker Data Pack adds new dungeon structures for the Deeper and Darker mod. It fills the dark Otherside dimension with sprawling underground locations to search through. Players can battle fierce mini bosses across dozens of dark rooms and gather valuable items from hidden treasure troves. Features: Adds 2 massive dungeon […]
Tensura Cataclysm Loot Data Pack (1.21.1) – Earn Rare Magic Drops
Tensura Cataclysm Loot Data Pack adds items from the Tensura: Reincarnated mod to mob drop tables in L_Ender's Cataclysm. Defeating powerful bosses and dungeon monsters rewards you with elemental essence, cores, shards, and magic ores. Each Cataclysm structure matches its thematic element, giving you clear targets when farming specific materials. This integration helps connect combat […]
Blue Depths Resource Pack (26.2, 1.21.11) – Lively Ocean Creatures
Blue Depths Resource Pack supplies custom models, textures, and visual assets for a lively aquatic world. It covers fresh and saltwater habitats by giving distinct looks to predators, small fish, workstations, and a dangerous sea boss. Players can see each stage of a creature growing up, from tiny babies to full adults. Features: Supplies custom […]