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Minecraft Java 1.21 Mods

Browse 1,561 free mods for Minecraft Java 1.21 — popular picks include Eclipsera, Hostile Mob Better Configuration - HMBC, Shadow Summoner.

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Eclipsera
1.21forge

Eclipsera

Eclipsera is a mystical biome filled with glowing flora, spectral beings, and rare resources. Battle deadly creatures, gather materials and craft powerful weapons

8.6kdownloads
Hostile Mob Better Configuration - HMBC
1.21.11fabric

Hostile Mob Better Configuration - HMBC

Hostile Mob Better Configuration gives you full control over hostile mobs in Minecraft. Attribute and behavior, or turn mobs into powerfupl boss variants to create a completely new difficulty and combat experience. Each mob can also have its own name.

8.6kdownloads
Shadow Summoner
1.21.1neoforge

Shadow Summoner

Defeat entities, collect their souls and summon their Shadow

8.5kdownloads
Archaeology Ruins
1.21.1neoforge

Archaeology Ruins

More Ruins! Procedurally generated with suspicious sand and suspicious gravel. This mod adds dozens of new structures into your world generation . Each one is designed to fit seamlessly into a vanilla game. No added blocks or mobs.

8.4kdownloads
Acolyte : Iron's Spells 'n Spellbooks Addon
1.20.1forge

Acolyte : Iron's Spells 'n Spellbooks Addon

Demons capable of using spells against you, recruit help to defeat them

8.4kdownloads
MobScaler
1.19.2forge

MobScaler

MobScaler - a mod that enhances other dimensions and/or the difficulty of the game.

8.4kdownloads
Feathered Friend
1.20.1forge

Feathered Friend

Write scrolls, send items, tame ravens & craft sigils!

8.3kdownloads
Mobs more weapons
1.21.1neoforge

Mobs more weapons

A mod that adds vanilla style alternative weapon choices

8.2kdownloads
Krakentilus
1.21.1neoforge

Krakentilus

Adds the Krakentilus boss, 2 unique Nautilus variants and 3 spears

8.2kdownloads
Yazz's Dungeons and Legends
1.21.1neoforge

Yazz's Dungeons and Legends

A mod that adds mobs from both Minecraft: Dungeons and Minecraft: Legends to Minecraft: Java Edition. With Improvements !!

8.1kdownloads
Grafted Creaking
1.21.11neoforge

Grafted Creaking

Adds variants to the creaking based on the wood used to spawn it.

8.1kdownloads
Giant Spooky Pumpkins
1.21.8neoforge

Giant Spooky Pumpkins

Adds giant spooky pumpkins with hidden dungeons, monsters, and loot.

8.0kdownloads
MindOfTheColony
1.21.1neoforge

MindOfTheColony

Mind of the Colony is a mod that transforms your settlement inhabitants from silent workers into living, thinking individuals. This project moves beyond typical gameplay mechanics to answer a simple question: what are your colonists really thinking?

7.9kdownloads
Butchery: Lite
1.21.8neoforge

Butchery: Lite

A lightweight version of the Butchery mod.

7.9kdownloads
Combat Expansion V4 REWRITTEN
1.20.1forge

Combat Expansion V4 REWRITTEN

This mod adds new weapons, tools, mobs, mechanics and much more, while maintaining the vanilla style of play and compatibility with other mods.

7.8kdownloads
Goetied
1.21.1neoforge

Goetied

A comprehensive magic mod featuring spellcasting, summonable servants, mystical structures, and the ability to transform into a powerful Lich. Ported to NeoForge 1.21.1.

7.8kdownloads
Artificer's Armory
1.21neoforge

Artificer's Armory

A weapon expansion for mage and spellcaster playstyles.

7.7kdownloads
Custom morph
1.21.5fabric

Custom morph

Custom Morph is an adventure-packed Minecraft modpack where you can transform into any mob you defeat, using their abilities. Explore custom mobs, dungeons, and challenges, unlock new powers, and experience endless adventure solo or with friends.

7.7kdownloads
Arda's Ultimate Golem
1.21.1neoforge

Arda's Ultimate Golem

Arda's Ultimate Golem mod adds a powerful golem to the game, and this golem is a golem that helps you against bosses or creatures you fight.

7.7kdownloads
MythicLibreforge | Add more effects, triggers, filters, conditions to libreforge! | 1.17 - 1.21.4
1.17spigot

MythicLibreforge | Add more effects, triggers, filters, conditions to libreforge! | 1.17 - 1.21.4

Cast MythicMobs skill, add MMO stat, auto replant, smelt, advancements, more... to EcoX plugins.

7.6kdownloads
Rally of the Guard - GuardVillagers
1.21.1fabric

Rally of the Guard - GuardVillagers

Turn village guards into your personal squad. Rally of the Guard lets you hire guards, summon them into formation, command attacks, and build patrol routes for smarter village defense.

7.5kdownloads
Mob Dice Attributes
1.20.1forge

Mob Dice Attributes

Every mob. Every spawn. A fresh roll. A mod that dynamically converts mob attributes into a range using tabletop RPG dice mechanics.

7.5kdownloads
Grox Simulator
1.20.1forge

Grox Simulator

A Grox-style AI overhaul where villagers act like players—mining, chatting, and obeying with radical honesty and actual vision. {simulation}

7.5kdownloads
Everything Japanese
1.21.11neoforge

Everything Japanese

A Mod that adds everything Japanese. Available for Forge(Original) and NeoForge

7.4kdownloads
Epic RPG: Loot Sentinel
1.21.1neoforge

Epic RPG: Loot Sentinel

Blocks chest interaction when hostile mobs are nearby and targeting the player, enforcing combat before looting.

7.3kdownloads
Dungeons and Dragons
1.21.1forge

Dungeons and Dragons

Discover unique legendary magic weapons, armour and artifacts inspired by Dungeons and Dragons lore.

6.9kdownloads
Mobs Fear CampFire – HearthGuard
1.21.11neoforge

Mobs Fear CampFire – HearthGuard

Hostile mobs fear lit campfires. Adds immersive mob AI and survival gameplay by making creatures panic, turn, and flee naturally.

6.9kdownloads
Evomut
1.21.1neoforge

Evomut

An RPG mod that adds different statues for the player, mobs, weapons and tools. New biomes and classes

6.9kdownloads
Mo' Bubbles
1.21.1neoforge

Mo' Bubbles

Adds more bubbles to Minecraft

6.8kdownloads
Paranormal Killer's 土 Paranormal Order
1.20.1forge

Paranormal Killer's 土 Paranormal Order

A model based on the Brazilian RPG Paranormal Order.

6.8kdownloads
Zombie Hordes
1.21.1neoforge

Zombie Hordes

These zombies WILL KILL YOU

6.6kdownloads
KantoSpawners for Cobblemon
1.21.1fabric

KantoSpawners for Cobblemon

Configurable Cobblemon Spawner blocks for map makers and server owners!

6.5kdownloads
Curios Dragon Eggs
1.21neoforge

Curios Dragon Eggs

Dragon Eggs can be worn in a Curios slot and grant configurable effects to the player.

6.5kdownloads
Homeless Illager
1.21.1neoforge

Homeless Illager

Adds a homeless Illager and his dirthouse to the Plains and Dark Forest Biome

6.5kdownloads
Random Size
1.21fabric

Random Size

Every now and then the player's height will change, which will add challenges to the game!

6.4kdownloads
Dusk's Levels
1.21.1fabric

Dusk's Levels

A player Instanced RPG style leveling system for mobs to increase difficulty in a fair pace

6.3kdownloads