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Minecraft Java 1.21 Mods

Browse 48 free mods for Minecraft Java 1.21 — popular picks include Antique Odyssey, Anti Magick: Bosses of Mass Destruction, Anti Magick: The Twilight Forest.

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Antique Odyssey
1.21.1neoforge

Antique Odyssey

A progression-focused adventure modpack where ancient magic, powerful relics and mechanical engineering shape your journey. Explore a world filled with dangerous bosses, forgotten ruins, powerful spells and intricate machinery.

84downloads
Anti Magick: Bosses of Mass Destruction
1.21.1neoforge

Anti Magick: Bosses of Mass Destruction

Optional Anti Magick integration that suppresses selected supernatural boss actions and summons

57downloads
Anti Magick: The Twilight Forest
1.21.1neoforge

Anti Magick: The Twilight Forest

Optional Anti Magick integration that suppresses Twilight Forest portals, magic abilities, summons, and selected boss actions

51downloads
Telum Solaris - At the Forest's Edge
1.21.1fabric

Telum Solaris - At the Forest's Edge

Telum Solaris aims to add new weapons, armor and boss to minecraft for every stage of minecraft's progression. It is currently my first and only project!

47downloads
NxControl
1.21

NxControl

NxControl is an advanced staff plugin that lets OP players control players or mobs using simple keybinds, with GUI, bossbars, and freeze system built-in. It’s lightweight, powerful, and perfect for moderation, trolling, or cinematic gameplay.

43downloads
Chariz's Mayhem
1.21.8neoforge

Chariz's Mayhem

A Minecraft Mod That Aims To Add Fun Things Into Minecraft, Such As New Mobs, Bosses, Weapons, Tools, Armor etc. Created By The Maniac Himself, DarkChariz

39downloads
SuperGem
1.21.8neoforge

SuperGem

Add a new ore, new capacities, new miniboss

35downloads
Endless Instability
1.21.8neoforge

Endless Instability

This mod changes many stages of Minecraft, adding new blocks, tools, and bosses. It's not yet finished and is in early development. It's 70% translated into English and 100% into Russian.

30downloads
AzurealDamaGE
1.21

AzurealDamaGE

This plugin displays a player's damage and health information in the boss bar when you hit them on PvP servers. It only has one version and is compatible with Paper version 1.21, but you should download and try it anyway.

23downloads
Endmode 2  |  Terraria Style Datapack
1.21.1

Endmode 2 | Terraria Style Datapack

Terraria inspired overhaul to progression. New bosses, items, etc.

2downloads
The Fallen World
1.21.1neoforge

The Fallen World

This mod adds things like dimensions, blocks, items, mechanics, bosses, mobs, structures and much more!

6.5kdownloads
Aethelgard Odyssey
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