Minecraft Java 1.21 Mods

Browse 12 free mods for Minecraft Java 1.21 — popular picks include EliteMobs, Gravestone Dungeons Data Pack, Vaults of Abandon.

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12 mods

1.21.4

EliteMobs

Minidungeons, Arenas, Bosses, Custom Loot, Quests, MMORPG progression & more!

69kdownloads

1.21.11

Gravestone Dungeons Data Pack

This data pack adds dozens of small and massive dungeons, bosses, custom loot, magic spells, many custom weapons, enchantments and much more!

39kdownloads

1.21.11

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.

13kdownloads

1.21.1fabric

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.

2.7kdownloads

1.20

MythicDungeons

Procedural party dungeons with queue visibility, run previews, persistent player profiles, bosses, loot, and weekly leaderboard progression.

2.5kdownloads

1.21.1neoforge

Create: Cogs & Cataclysm

Immerse yourself in Create: Cogs & Cataclysm, a modpack where mechanical ingenuity meets high-stakes adventure. Built around the Create mod’s extensive automation and L_Ender’s Cataclysm's impressive dungeons and boss battles.

2.1kdownloads

1.21.1neoforge

Palamobs [ Discontinued ]

An add-on for Palamod Recreated and Custom NPC. The different mobs will finally be able to burst into your adventures with their different dungeon styles, bosses, and NPCs.

931downloads

1.21.1fabric

Robot Legion

Build a steampunk robot army. Workers automate jobs while combatants fight beside you through three boss dungeons. Trade with engineer villagers for rare parts.

260downloads

1.21.1neoforge

In the Journeys

The mods expand Minecraft further with new ores, mobs, biomes, dungeons, bosses, and magic to discover.

251downloads

1.21.1neoforge

MOAR Tools

MOAR Tools is a progression and combat expansion mod that adds three new gear tiers, two dungeon systems, a full boss encounter, and a suite of custom mobs all designed around a dark, End-themed aesthetic.

83downloads

1.21.1neoforge

Bosses'Rise Mod (1.21.1, 1.20.1) – Dungeons, Dragons, And Dodge Rolls

Bosses'Rise Mod adds epic new world bosses to Minecraft, each with unique mechanics, deadly attacks, and exclusive drops. From fire-breathing dragons to ambushing sandworms, this mod brings intense mid-to-endgame content for players craving more challenge and adventure. Features: 5 custom world bosses with unique dungeons and skills. Combat roll ability (press Z), improved with Knight […]

1.21.1fabric

Aethelgard Odyssey

Aethegard Odyssey is a medieval Minecraft modpack blending RPG mechanics with immersive exploration. It features custom dungeons, class-based progression. Expect challenging survival, magic, and epic boss fights.

1.1kdownloads