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Minecraft Java 1.21 Mods

Browse 51 free mods for Minecraft Java 1.21 — popular picks include Corail Tombstone, Iron's Spells 'n Spellbooks, Undead Unleashed - Continued.

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Corail Tombstone
1.21neoforge

Corail Tombstone

Keeps safe your inventory items in graves on death with many features for better survivability and exploration, in a medieval fantasy atmosphere related to the decorative graves & the haunting souls

97Mdownloads
Iron's Spells 'n Spellbooks
1.21.1neoforge

Iron's Spells 'n Spellbooks

A magic mod bringing back the classic RPG spellcasting fantasy.

65Mdownloads
Undead Unleashed - Continued
1.20.1forge

Undead Unleashed - Continued

Adds new formidable fantasy-like enemies with unique abilities. Recently ported to 1.21.1.

8.0Mdownloads
Myths & Legends
1.21.1neoforge

Myths & Legends

A dark fantasy mod that introduces mythical creatures, structures, and relics, all inspired by global folklore.

2.0Mdownloads
Fantasy Fauna
1.20.1forge

Fantasy Fauna

A collection of fantasy themed creatures intended to flesh out the world of minecraft a bit.

147kdownloads
Age Of Dragons
1.21.1neoforge

Age Of Dragons

Age of Dragons is a dark fantasy Minecraft mod featuring elemental dragons, custom classes, cinematic boss fights, and lore-driven progression. Face ancient trials, challenge forgotten kings, and uncover the truth behind the Dragonlands.

76kdownloads
Pepsi's Starter Wolf Companion
1.21.5fabric

Pepsi's Starter Wolf Companion

Spawn in with your very own self-healing wolf.

12kdownloads
Fantasy Knights & Factions
1.20.1forge

Fantasy Knights & Factions

Adds fantasy spawns, random encounters, dynamic events, and skirmishes across the world.

5.4kdownloads
Mythic Realms
1.21.1neoforge

Mythic Realms

In this version 1.0.4, the Mythic Realms mod, which was created by me (CarSantos7), you will have to fight and ally with mythical creatures, magic, explore legendary realms filled with unique creatures, treasures, and biomes inspired by global mythologies.

4.5kdownloads
Tomtenissar - Mischievous Elves
1.21.1neoforge

Tomtenissar - Mischievous Elves

Adds mischievous elves called Tomtar, from Nordic folklore

2.1kdownloads
Witches with Wrenches
1.21.1neoforge

Witches with Wrenches

Cogs & colonies is a medium/light pack designed to bring life into Minecraft with customizable colonies and colony management alongside many mythical creatures, powerful magic, and even some kinetic energy!

2.0kdownloads
Chronicles: Tharidia
1.21.1neoforge

Chronicles: Tharidia

This is a medieval-fantasy roleplay enviroment, with custom feature, mobs, world dynamics, custom classes

1.7kdownloads
Cryptozoologist / Alternative Zoology
1.21.1neoforge

Cryptozoologist / Alternative Zoology

Modification adds a lot of unusual mobs. Some of them, such as Nessie, Bigfoot and razzaks, are inspired by mythology and fantasy books, while others were created without any reference, or at least I think so :) There is a lot of cool equipment as well!

1.7kdownloads
Savaru's Worldology [Fabric/NeoForge]
1.21.1neoforge

Savaru's Worldology [Fabric/NeoForge]

Worldology redefines progression by transforming the world itself into a living system that grows, evolves, and responds to player actions.

1.3kdownloads
Greek Fantasy (Unofficial Port)
1.21.1neoforge

Greek Fantasy (Unofficial Port)

An unofficial port of Greek Fantasy for NeoForge 1.21.1

1.1kdownloads
Leo's Medieval Fantasy
1.21.1neoforge

Leo's Medieval Fantasy

This is Leo's medieval fantasy , enjoy beautiful views , fight monsters dragons and countries while enjoying the medieval life.

991downloads
Creefern (Creeper Fern)
1.21.1neoforge

Creefern (Creeper Fern)

Why would a creature self-destruct as a means of attack? To reproduce!

932downloads
Draconia The Fourth
1.21.11fabric

Draconia The Fourth

Fantasy modpack focused on dungeons and creatures

833downloads
Perfect Gen
1.21.1fabric

Perfect Gen

This modpack redefines the experience of exploring and reshaping the world. Packed with light RPG elements, this pack brings adventurous spirits together with captivating quests, mythical creatures and immersive world-building.

769downloads
All About Aether - Sky Dimension Adventure
1.21.1neoforge

All About Aether - Sky Dimension Adventure

Explore the mystical heights of the Aether in Minecraft, where floating islands, mythical creatures, and celestial challenges await in All About Aether.

717downloads
Shrieker can summon warden
1.21

Shrieker can summon warden

Shrieker drop itself with its can_summon block state using silk touch. It can summon or not depend on which one you're mining.

690downloads
Industrial Upgrate Ice and Fire and more
1.21.10forge

Industrial Upgrate Ice and Fire and more

Fight mythical creatures and upgrade your technologies, make it all automatic

545downloads
Quest Dimensions & Mob Hunts
1.16.3

Quest Dimensions & Mob Hunts

A Minecraft quest datapack focused on mob hunting, dimensions, and milestone-based rewards. Progress through separate quests such as Overworld, Nether, End, Boss, Zombies, Undead, Arthropods, Animals, and Total Hostiles. Earn bonus experience

539downloads
Into The Crazy
1.20.1forge

Into The Crazy

A cute, magical fantasy modpack with cozy biomes, charming villages, and adorable creatures—where soft, whimsical beauty hides ancient magic, dark secrets, and lurking danger beneath the surface. ✨🖤

501downloads
dtdangoens
1.21

dtdangoens

Mobdangoens is a deadly mob found in deep caves or dark places. It moves quickly, hits hard, and climbs walls to chase prey. It may emit toxic gas or summon allies. Defeating it grants rare loot, but only skilled, prepared adventurers can survive.

332downloads
EXP-Gems
1.21

EXP-Gems

Perfect for RPG/Fantasy servers

226downloads
Fathom Mod
1.21.4neoforge

Fathom Mod

Fathom mod is an RPG style mod heavily inspired by terraria's calamity mod, terraria itself and ultrakill, to an extent.

197downloads
MythBoundMC
1.21.1fabric

MythBoundMC

MythBound is a high-fantasy RPG Minecraft modpack built for exploration, progression, and immersive combat. Dive into a world filled with ancient ruins, dangerous dungeons, mythical creatures, powerful magic systems, and de

137downloads
Harrowing Hells (Data Pack)
1.20.1

Harrowing Hells (Data Pack)

[NOW SURVIVAL SUMMONABLE] Adds the Cinderscourge, a highly developed boss entity with a diverse arsenal of attacks at its disposal. Usable in mob battles.

133downloads
Craftlings
1.21.8neoforge

Craftlings

Summon fantasy themed mobs and watch them clash in epic free for all battles, or set up full scale wars in custom arenas.

105downloads
MysticRealm - Archivist
1.21.1neoforge

MysticRealm - Archivist

📚 Summon the Archivist using bookshelves! Fight his endless swarm of flying books for random Enchanted Book drops. Defeat him for 25 XP levels and a relic to summon your own loyal book protectors! ✨🔮

83downloads
lightning rod zombie
1.21.1neoforge

lightning rod zombie

A zombie that can summon lightning and heal itself.

32downloads
Ravenborne
1.21.1neoforge

Ravenborne

Class based medieval fantasy rpg mod based by Ravenborne theme!

28downloads
Zombie Nightmare Expansions Mod (1.21.1, 1.20.1) – Undead Horror Monsters
1.21.1forge

Zombie Nightmare Expansions Mod (1.21.1, 1.20.1) – Undead Horror Monsters

Zombie Nightmare Expansions Mod adds multiple high-detail undead creatures with different mechanics, combat styles, and special drops. The mod is designed for horror, zombie apocalypse, RPG, and hardcore gameplay packs. Features: Undead Mobs Disemboweler Large heavy zombie variant Targets players and cows High melee damage Drops Deathly Heart Tormented Zombie Disguises itself as a normal […]

Slayer's Beasts Mod (1.21.4, 1.20.1) – Diverse Mobs and Bosses
1.21.4fabric

Slayer's Beasts Mod (1.21.4, 1.20.1) – Diverse Mobs and Bosses

Slayer's Beasts Mod is an RPG mod in development, adding a large amount of fantasy content to the game. You will have access to new biomes to explore, new blocks, various dungeons, monsters, and much more. Features: Ant colonies Praying mantis Wither spider Ambient damselflies Ents (Oak & Birch – more to come) White/Black mushrooms […]

Mythical Origins Mod (1.21.1, 1.20.1) – Based Around Popular Mythical Beasts
1.21.1fabric

Mythical Origins Mod (1.21.1, 1.20.1) – Based Around Popular Mythical Beasts

Mythical Origins Mod is an addon for the Origins mod, it adds 5 new origins, which are all based around classic mythical creatures. It has 5 origins included, which are "Werewolf", "Mermaid", "Dragon", "Elf", and "Fairy". Features: Werewolf Werewolf Activate – When night strikes, you are able to activate a series of powers that help […]