Minecraft Java 1.21 Mods
Browse 201 free mods for Minecraft Java 1.21 — popular picks include BossBarUltra, Craftlings, Robotmancer.
Updated daily
BossBarUltra
Modern floating health bars for mobs using Minecraft’s TextDisplay system. Lightweight, customizable, and perfect for RPG and PvE servers.
Craftlings
Summon fantasy themed mobs and watch them clash in epic free for all battles, or set up full scale wars in custom arenas.
Robotmancer
Feeling lonely in your battles? No problem! Become a Robotmancer today and summon powerful robotic allies to help you in the fight!
Mobius
A Vanilla+ expansion featuring a mob leveling system, new ores and gear, lucky bags, and tea brewing.
Chicken Jockey Plus
Adds commands to summon different variant jockeys
Bagel's Reusable Sculk Shriekers
Sculk Shriekers mined with Silk Touch can summon Wardens.
Ravenborne
Class based medieval fantasy rpg mod based by Ravenborne theme!
YungTwitchTTS
Interactive TTS chickens that read Twitch chat aloud, fight mobs, level up, and drop epic loot. Fabric 1.21
Veganism
Entities react to being hit and take revenge, animals scream and summon the Spirit of the Animals, and eating meat is punished by the Veganism effect. Supports Russian and English.
ThunderRider
A plugin that adds the chance of a lightning strike next to the player, which summons a skeleton rider with helpers.
vMythicBetonAddon
Adds a bqtag condition to MythicMobs to check BetonQuest 3.0 player tags inside skills, targeters and TargetConditions.
Leveling Craft
LevelingCraft: Summon and level AI ally mobs that fight for players, managed via GUI and commands (/summon, /despawn, /allies).
PetLeveler
Level up your tamed wolves. Dogs gain XP from combat, grow stronger, and unlock unique abilities like Splash Bite, Fire Resistance, and Lifesteal
Piece
Piece is a high-performance Minecraft 1.21 RPG combat plugin that transforms your server into a competitive MMO-style PvP experience. It introduces deep progression systems, , bounty hunting, stamina-based combat,
Common-Fish
Tropical fish Advancements - Fish goes weeeeeeeeeeeee
RavenMobs
Zone-based mob leveling system with economy integration and dynamic stats
Aegis system
a simple and very customazable rpg plugin that includes mana, abilities, classes and more!
NPCSpeak
AI-powered Minecraft NPCs that actually negotiate, persuade, interrogate, and quest, not just chat.
Shizophrenia
Makes you question everything.

RPG Dialogue
The definitive dialogue system

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.
Summon-Shaped Recipes
Craft the spawn eggs of the iron golem, snow golem, copper golem, and wither.
Level-Craft
an RPG style system, Exp, Levels, Custom Items, Mob levels, Crafting Requirements and skills.
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.
Common-Freeze
Paper plugin to freeze mobs while retaining their perks!
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

RPG Errands
Villagers who want something
Wandering Trader Summoning Ritual
Convert a villager to a wandering trader instead of waiting!
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 ;)
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
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.
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 […]