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Minecraft Java 1.21 Mods

Browse 10 free mods for Minecraft Java 1.21 — popular picks include Pumpkillager's Quest, Tensura: Not Enough Bosses, Cobblemon Sky Adventure.

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Pumpkillager's Quest
1.21fabric

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!

2.1Mdownloads
Tensura: Not Enough Bosses
1.21.1neoforge

Tensura: Not Enough Bosses

Official Addon for Tensura: Reincarnated adding new bosses to the game for quests.

1.1Mdownloads
Cobblemon Sky Adventure
1.21.1neoforge

Cobblemon Sky Adventure

Cobblemon but you are on Skyblock. Explore dimensions, fight trainers, fight boss. Create your own adventure !

2.7kdownloads
Cobblemon Dark
1.21.1neoforge

Cobblemon Dark

A Cobblemon modpack, featuring Create, Create Aeronautics, exploration, trainers, bosses and more.

1.1kdownloads
Tensura Abyssal Reincarnation
1.21.1neoforge

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.

901downloads
Ends Multiverse
1.21.1forge

Ends Multiverse

Bosses, dungeons, dimensions, vehicles and so much more

577downloads
Spiria Reincarnated Again!
1.21.1neoforge

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.

416downloads
Cobblemon YZ
1.21.1neoforge

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!

135downloads
Wither Spawn Fix Mod (1.21.1, 1.20.1) – Overcoming Spawning Obstacles
1.21.1fabric

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 […]

The Harvester Mod (26.2, 1.21.1) – New Mini Boss
1.21.1

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, […]