Minecraft Java 1.21 Mods
Browse 35 free mods for Minecraft Java 1.21 — popular picks include Wither: Reincarnated, Pumpkillager's Quest, Tensura: Not Enough Bosses.
Updated daily
Wither: Reincarnated
Makes several improvements to the Wither boss
Pumpkillager's Quest
🎃 SpookyJam 2022: Help out the Pumpkillager! With custom encounters, rewards and a boss fight you'll get immersed in the story. Spawn him by breaking a pumpkin in this spooky scary Halloween style mod!
Tensura: Not Enough Bosses
Official Addon for Tensura: Reincarnated adding new bosses to the game for quests.
Enhanced Pokemon Boss Bars
Stylized pixel-art boss bars inspired by Pokémon, tailored for Cobblemon and Pixelmon trainers.
Confluence: Of another World and Create
A carefully balanced modpack combining Create-based engineering with boss-driven progression and new dimensions from Confluence: Otherworld. Explore, automate, and fight your way through a living world.
Cobblemon Sky Adventure
Cobblemon but you are on Skyblock. Explore dimensions, fight trainers, fight boss. Create your own adventure !
Cobblemon Dungeon
Create and edit custom Cobblemon dungeons directly in-game with areas, gates, trainer encounters, boss battles, Join NPCs, rewards, and JSON-based advanced customization.
Cobblemon Dark
A Cobblemon modpack, featuring Create, Create Aeronautics, exploration, trainers, bosses and more.
Mythic Horizons
"Mythic Horizons" is a carefully curated Vanilla+ modpack that elevates your Minecraft experience with quality-of-life improvements, stunning new biomes, powerful bosses, and hidden structures—while staying true to the essence of the game. Embark o
Tensura Abyssal Reincarnation
Tensura Abyssal Reincarnation is a dark, cozy SMP modpack blending magic, exploration, and survival. Master spells, automate with Create, and face deadly bosses in a semi-anarchy world where freedom rules and every choice shapes your path.
stupid horror mod
this is a joke horror mod that adds a scary biome, where you have to kill scary creatures to collect scary souls to later craft into a boss altar and fight the boss. there is an ingot with good weapons that can take down most of the scary creatures.
Ends Multiverse
Bosses, dungeons, dimensions, vehicles and so much more
Prototype 0.3
currently just adds some custom armor and weapons not much. later there will be bosses, extra mobs, A third set of armor, even more weapons, maybe vehicles, and a lot more.
Spiria Reincarnated Again!
With Tensura: Reincarnated and many addons, expanded dimensions, new structures, bosses, biomes, and plenty of quality-of-life mods, the pack offers an epic adventure that combines building, combat, and character progression.
Poke card
This Projekt adds an poke Card with that you can capture and release Mobs anywhere. But not endbosses.
CobbleCatalyst
Adds Cobblemon trainer battle phases to Cataclysm boss fights, turning boss fights into hybrid combat and Pokemon battle challenges.
Cobblemon YZ
Cobblemon pack filled with QoL/Performance mods. The included server has ALL pokemon, PvE trainers, bosses/raids, quests, hunts, breeding, outbreaks and more!
Modded Cobblemon Together Integrated structures
Adds 18 type gyms, Pokécenters, themed loot, trainer spawns, discovery rewards, and custom boss progression. Includes Misty’s water-breathing fix.
☣ THE PLAGUE CARRIER ☣ - Epic Mutating Zombie Boss
A twisted titan of decay that spreads plague and devastation across the land
Tensura Craftables Data Pack (1.21.1) – Forge Rare Monster Drops
Tensura Craftables Data Pack adds useful crafting options for Tensura: Reincarnated and vanilla Minecraft. It gives you straightforward ways to make rare materials, armor pieces, and utility items directly at your crafting table. The pack also introduces fresh uses for elemental shards and boss drops so nothing in your inventory goes to waste. Features: Lets […]
King of the Nether X Fresh Animations Resource Pack (1.21.8)
King of the Nether X Fresh Animations Resource Pack makes the King of the Nether pack work perfectly with Fresh Animations. It combines the scary new looks for the Wither and other fiery mobs with smooth, natural movements. Now, you get the detailed boss designs without any broken models when you play. Features: Fixes Visual […]
King of the Nether Resource Pack (1.21.8) – Dark Wither Army for the Underworld
King of the Nether Resource Pack transforms the look of monsters in the fiery dimension. It changes these creatures so they match the style of the Wither boss. This pack gives the underworld a darker and scarier vibe by making the mobs look like they belong to a single dark army. You will need OptiFine […]
Ender Dragon Reborn Resource Pack (1.21.11, 1.21.1) – A Terrifying Wyvern Boss
Ender Dragon Reborn Resource Pack transforms the look of the final boss into a fierce, modern wyvern. It updates the old blocky design to make the boss look much more aggressive and scary. The new model keeps the smooth flying movements you are used to but adds realistic details that make it feel like a […]
Wither Spawn Fix Mod (1.21.1, 1.20.1) – Overcoming Spawning Obstacles
Wither Spawn Fix Mod is designed to address the common issue of small blocks like grass, snow layers, flower pots, and carpets obstructing the spawning of the Wither boss. Features: Prevents small blocks from obstructing Wither spawning, ensuring a seamless summoning process. Makes it easier for players to spawn the Wither without needing to clear […]
Dracomelette Mod (1.21.4, 1.20.1) – Dragon Eggs Now Become Food
Dracomelette Mod gives dragon eggs new uses. You spend most of your time training skills, preparing weapons and food to defeat the final Boss EnderDragon, and when everything is ready, the Boss is defeated and gives you a lot of experience and a Dragon Egg. Exactly one Dragon Egg proves that you have defeated the […]
Tensura: L2Hostility
Adds L2Hostility scaling and traits to Tensura: Reincarnated and Tensura: Not Enough Bosses mobs.
Tensura Isekai Reincarnation Core
A core pack for Tensura Isekai Reincarnation that adds boss support form other mods made for my modpack Isekai Reincarnation
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 […]
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 […]
Tame Every Mob Mod (1.21.8, 1.20.1) – Turn Any Creature Into a Loyal Fighting
Tame Every Mob Mod transforms the normal pet system by letting you adopt almost any creature in the game. It allows you to build a unique team made of peaceful animals, hostile monsters, or even powerful bosses like the Ender Dragon. You can train your new companions to fight for you and give them special […]
F Zero Drops Mod (26.2, 1.21.11) – Keep Your Loot After Death and Fight Harder
F Zero Drops Mod tweaks daily survival rules to change how you play. It alters how you fight bosses, fly with wings, and keep items after a bad fall. Features: You keep your hotbar, armor, and offhand items when you die, and your dropped items sit safely in a special minecart. Gives you a death […]
Evo Waifu Companions Mod (1.21.1, 1.20.1) – Fight Alongside Powerful Anime
Evo Waifu Companions Mod brings fully animated characters into your Minecraft world to fight by your side. It adds unique companions that can carry your items, wear normal armor, and use special attacks. You can tame them, equip them with legendary weapons, and watch them use custom combat moves. The mod also spawns evil boss […]
The Harvester Mod (26.2, 1.21.1) – New Mini Boss
The Harvester Mod introduces a new mini-boss into the game. This mini-boss, who goes by the same name, is a spookier version of scarecrows. You can summon them using one hay bale, three fences and one carved pumpkin. In the screenshots provided below, you can find the shape to build. Once the harvester is built, […]
Fishing Expansion Mod (26.2, 1.21.1) – Catches Special Fish And Loot
Fishing Expansion Mod completely changes how you catch things in the water. It lets you find special items, maps, and strong armor just by using your rod. You can even pull real monsters out of the sea and fight a scary new boss. Features: Water Trail: Arrows leave a path of water behind them. Ender […]
Tensura Boss Structure Mod (1.21.1) – Structured Boss Encounters
Tensura Boss Structure Mod adds dedicated buildings for Tensura bosses, so players no longer need to rely on random wilderness spawns. Instead, you can obtain maps from a Master Cartographer villager that lead directly to these structures in the Overworld. Features: Adds new structures for Tensura bosses in the Overworld. Bosses no longer spawn randomly […]