Minecraft Java 1.21 Mods
Browse 1,570 free mods for Minecraft Java 1.21 — popular picks include Immortalizer, HeroPets, RPG Errands.
Updated daily
Immortalizer
Adds The Immortalizer (and commands) for immortalizing mobs.
HeroPets
Adopt, level up, and care for RPG Tamagotchi companions with custom vitals, digital PC storage, and mountable pets!
RPG Errands
Villagers who want something
randomitems-mod
Adds /randomitems, /randommobs, /randomweapon, /randomarmor, /randomtool and /randomquest commands that periodically give random items, spawn random mobs, swap your gear, or assign 5-minute random quests with a boss bar and personal sidebar.
ThicMobKai - Dungeon, Boss and Mob RPG System
A premium dungeon, boss, and mob progression plugin with EN/VI support.
summoners
command only mobs are now not with this mod
MonsterScaler
MonsterScaler adds dynamic difficulty to your server! Monsters level up based on time/distance, gaining boosted stats, enchanted gear, unique debuffs, and triggering server-wide events like Blood Moons and Invasions.
Summon-Shaped Recipes
Craft the spawn eggs of the iron golem, snow golem, copper golem, and wither.
Project Adamski
Project Adamski is a work in progress magic mod currently featuring a fully functional Meteor Strike staff. The ultimate goal of this mod is to build a full RPG magic system where players hunt mobs and explore the world, and get stronger with stafffs.
Level-Craft
an RPG style system, Exp, Levels, Custom Items, Mob levels, Crafting Requirements and skills.
Common-Freeze
Paper plugin to freeze mobs while retaining their perks!
SantumSpawn - MMORPG Invisible Mythicmobs around the Player
Spawn invisible Mythicmobs around the player via Packets | ClientSide like Wynncraft
HonHoan - Soul Ring RPG
Turn every mob into a Spirit Beast. Hunt Soul Rings, master 42 Soul Skills, collect Spirit Bones
lightning rod zombie
A zombie that can summon lightning and heal itself.
QinhCoreLib
Shared core library for the Qinh plugin suite. Unifies item sources (CraftEngine, ItemsAdder, Nexo, MMOItems, MythicMobs & more), attributes, custom-block & model bridges, and scripting. Required by QinhItems, QinhSkills, and other Qinh plugins.
Ace Up The Sleeve
Drop to 4 hearts and trigger your Last Stand — summoning Guardian golems and granting powerful buffs to turn the tide of battle.
Fishy Folk
An Origins mod data pack with merling spinoff origins
Alone - Disabling mob generation
By enabling this datapack when creating the world, you will no longer encounter entities that were invoked when generating chunks. They can still be summoned by commands, summoning eggs or spawners, skulk screamers and some other ways.
Patcore mob attribute
This mod simply adds attributes and a leveling system to mobs, similar to ARK.
Bedrock's Skeleton
Adds a new mob: a Skeleton armed with a minigun instead of a bow. Summon it with a simple structure and watch chaos unfold.
Wandering Trader Summoning Ritual
Convert a villager to a wandering trader instead of waiting!
![✨ WildlifeRarities ✨ [1.21.X] ⭐ V1.2 ⭐ Animal Rarities | Custom Rewards | Hunter Journal |](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/spiget/255721.webp)
✨ WildlifeRarities ✨ [1.21.X] ⭐ V1.2 ⭐ Animal Rarities | Custom Rewards | Hunter Journal |
WildlifeRarities is an RPG-focused plugin designed to make hunting more interesting.
Trigger Craft
Are you familiar with World Trigger? Wished there was a mod for it for Minecraft? Well, that's exactly what this mod does! Not another magic RPG mod ;)
![[BHB] Immortal Happy Ghasts DP](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/145824.webp)
[BHB] Immortal Happy Ghasts DP
Makes happy ghasts immortal, gives them resistance 5
![⭐ [1.21 – 26.2] ShieldRising | RPG Shield Progression & Ability System](https://www.spigotmc.org/data/resource_icons/132/132573.jpg?1779625385){kind=icon}
⭐ [1.21 – 26.2] ShieldRising | RPG Shield Progression & Ability System
Block mobs, absorb their power and unlock evolving shield abilities with a full RPG progression syst
MashStrikeDrops
The plugin is aimed at event servers, crates-style mob encounters, grind zones, boss-lite content, and custom reward systems without needing MythicMobs or a larger RPG stack.
silverfishes become fishes (and bassicly immortal in water)
this mod makes it that silverfishes die outside of water, and get weaker to, and in water they get sronger faster and more helath, and they also get set to 10 helath every time they touch the water, but if thwey leave they die, also in block = in water
20TPS
20TPS is an all-in-one performance toolkit that stabilizes your server by limiting lag machines, stacking mobs, and fixing common exploits.
WildlifeRarities
WildlifeRarities is an RPG-focused plugin designed to make hunting and exploration more engaging and rewarding on your server. It is perfect for servers with collectors, progression systems, or economy-based gameplay.
Kione
Boss-style ability kit for a private SMP: homing skulls, a reflection shield, speed burst, auto-revive, summons and a server-side siege system. Abilities are bound to one account.
Mob Power DP
This data pack allows you to level up every time you defeat a mob, granting you various enhancements upon leveling up.
MoPets | Custom inventory pets with leveling and actions.
MoPets is a plugin about Pets in Inventory, this pets can execute rewards and have a leveling system
Hyvora Combat Mobs
Custom Mobs • Abilities • Bosses • Rewards • RPG Combat
![PetX ✦ Ultimate RPG Wolf Companions [Revive, Classes, Skills, Leveling] 1.21.x](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/spiget/393828.webp)
PetX ✦ Ultimate RPG Wolf Companions [Revive, Classes, Skills, Leveling] 1.21.x
Transform vanilla wolves into powerful RPG companions with magic skills, passive perks, and classes!
Hyvora Combat Mobs
Custom Mobs • Abilities • Bosses • Rewards • RPG Combat
LightGlow - Custom Hex Glow & Flying Animal Effects
Customize Glow colors with HEX and summon flying animals around players.