Minecraft Java 1.21 Mods
Browse 19 free mods for Minecraft Java 1.21 — popular picks include DivineRPG, Arda's Sculks (Ancient City Portal / Deep Dark Dimension), Vaults of Abandon.
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DivineRPG
8 New Dimensions ♦ 115+ New Mobs/Bosses ♦ Hundreds of New Blocks and Items ♦ Unique Weapons and Armor
Arda's Sculks (Ancient City Portal / Deep Dark Dimension)
Arda's Sculks mod is a mod that improves the ancient city in the game and offers the ability to open the ancient portal in the ancient city. This mod adds many deep dark biomes to the game and many boss creatures found in these biomes.
Vaults of Abandon
Conquer the Vault, in the Vaults of Abandon - Dungeon Datapack. Battle Epic Bosses, Explore vast dungeons, and utilize powerful magic. Access over 50+ Custom Items, and battle over 20+ Custom Mobs.

Adventurer's Beyond
Explore lost structures. fight dangerous bosses, and journey to the beyond in this epic mod.
Ea Nasir's Items and Bosses Pack
Introduces new bosses, items, and more!
Pirate Adventures
Pirates is a huge project for the Minecraft game in the form of a DataPack. By installing the required ResourcePack and the DataPack itself, you get a large number of new mobs, items, blocks, mechanics, and bosses.
Mystborn Horizons
A progression mod to add more ores, mobs, bosses and structures.
ReniDrags Molten Mayhem!
Explore the new biome that brings dungeons, dimensions, a custom boss, cool new custom items and of new tools!! Get on this mod baby!! Its super duper cool (source trust me bro)
Deepcraft
A hardcore Minecraft mod with new ore, weapons, bosses, mobs, a unique dimension, haunting music, and forgotten secrets waiting to be uncovered.
Klarian Chronicles Magic & Steel
Fantasy RPG modpack tailored for private server combining Better combat, legendary bosses, dragons, four magic paths, MineColonies kingdom building, Create automation, vampirism, and rich decorative building content.
Boss Update
This mod adds three new distinct bosses with custom drops and powers. (also available in multiplayer worlds.)
More Ore -
Mod that adds more content and more ore to minecraft. New content includes bosses, dimensions, weapons.
MagicAirdrops
Replace boring airdrops with new events with various rewards and bosses.
Cooper age
mod adds 2 metals and 1 alloy. You can make weapons, tools and armor with them. There is still 1 boss
Creations Of Tygrys
Mod made for fun, adding new boss, dimension and structures!
Otherplaces
Multiple dimentions with diffrent items, blocks, mobs, structures, bosses.
BulsciCraft
Enjoy this brand new mod that adds New Dimensions, Mobs, Items, Blocks, Unusual things and even a bossfight...
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: […]
Better Copper Structures
This data pack adds a totem of copper golems, and soon it will add more structures similar to trial chambers and a breeze boss. (In progress)