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Minecraft Java 1.21 Mods

Browse 195 free mods for Minecraft Java 1.21 — popular picks include Robotmancer, Eternals, Mobius.

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Robotmancer
1.21.8neoforge

Robotmancer

Feeling lonely in your battles? No problem! Become a Robotmancer today and summon powerful robotic allies to help you in the fight!

99downloads
Eternals
1.21.8neoforge

Eternals

Adds various rpg like items and mechanics in order to turn minecraft into my ideal game so if anyones interested in trying it out feel free to download :)

96downloads
Mobius
1.21.8neoforge

Mobius

A Vanilla+ expansion featuring a mob leveling system, new ores and gear, lucky bags, and tea brewing.

93downloads
Chicken Jockey Plus
1.21.8fabric

Chicken Jockey Plus

Adds commands to summon different variant jockeys

93downloads
Bagel's Reusable Sculk Shriekers
1.21.5

Bagel's Reusable Sculk Shriekers

Sculk Shriekers mined with Silk Touch can summon Wardens.

82downloads
Veganism
1.21.1fabric

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.

75downloads
ThunderRider
1.20

ThunderRider

A plugin that adds the chance of a lightning strike next to the player, which summons a skeleton rider with helpers.

72downloads
YungTwitchTTS
1.21fabric

YungTwitchTTS

Interactive TTS chickens that read Twitch chat aloud, fight mobs, level up, and drop epic loot. Fabric 1.21

66downloads
vMythicBetonAddon
1.21

vMythicBetonAddon

Adds a bqtag condition to MythicMobs to check BetonQuest 3.0 player tags inside skills, targeters and TargetConditions.

66downloads
Leveling Craft
1.16

Leveling Craft

LevelingCraft: Summon and level AI ally mobs that fight for players, managed via GUI and commands (/summon, /despawn, /allies).

65downloads
Piece
1.21

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,

62downloads
PetLeveler
1.21.1forge

PetLeveler

Level up your tamed wolves. Dogs gain XP from combat, grow stronger, and unlock unique abilities like Splash Bite, Fire Resistance, and Lifesteal

61downloads
Aegis system
1.21.9

Aegis system

a simple and very customazable rpg plugin that includes mana, abilities, classes and more!

56downloads
Common-Fish
1.21.9

Common-Fish

Tropical fish Advancements - Fish goes weeeeeeeeeeeee

56downloads
RavenMobs
1.19

RavenMobs

Zone-based mob leveling system with economy integration and dynamic stats

55downloads
Shizophrenia
1.21.11

Shizophrenia

Makes you question everything.

54downloads
Summon-Shaped Recipes
1.21

Summon-Shaped Recipes

Craft the spawn eggs of the iron golem, snow golem, copper golem, and wither.

48downloads
Level-Craft
1.20

Level-Craft

an RPG style system, Exp, Levels, Custom Items, Mob levels, Crafting Requirements and skills.

46downloads
MonsterScaler
1.2.1

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.

43downloads
Common-Freeze
1.21

Common-Freeze

Paper plugin to freeze mobs while retaining their perks!

43downloads
randomitems-mod
1.21.1fabric

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.

40downloads
Ace Up The Sleeve
1.17

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.

37downloads
Fishy Folk
1.21

Fishy Folk

An Origins mod data pack with merling spinoff origins

36downloads
Ravenborne
1.21.1neoforge

Ravenborne

Class based medieval fantasy rpg mod based by Ravenborne theme!

35downloads
NPCSpeak
1.20

NPCSpeak

AI-powered Minecraft NPCs that actually negotiate, persuade, interrogate, and quest, not just chat.

35downloads
Wandering Trader Summoning Ritual
1.21.9

Wandering Trader Summoning Ritual

Convert a villager to a wandering trader instead of waiting!

25downloads
MashStrikeDrops
1.21

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.

25downloads
silverfishes become fishes (and bassicly immortal in water)
1.21.1

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

23downloads
Trigger Craft
1.21.8neoforge

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 ;)

18downloads
WildlifeRarities
1.21

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.

18downloads
Mob Power DP
1.21.7

Mob Power DP

This data pack allows you to level up every time you defeat a mob, granting you various enhancements upon leveling up.

16downloads
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 […]

Data Attributes Directors Cut Mod (1.21.1, 1.20.1) – Build Deeper RPG Mechanics
1.21.1neoforge

Data Attributes Directors Cut Mod (1.21.1, 1.20.1) – Build Deeper RPG Mechanics

Data Attributes Directors Cut Mod is an updated version of the original Data Attributes mod, bringing its features to newer Minecraft releases. It overhauls the game's system for attributes, which are the stats that control things like health and damage for players and mobs. The mod exposes these attributes so they can be easily changed […]

K-Turrets Mod (1.21.1, 1.20.1) – Robots that Protect Your Base
1.21.1forge

K-Turrets Mod (1.21.1, 1.20.1) – Robots that Protect Your Base

K-Turrets Mod ) is a Minecraft mod which adds several turrets and combat drones. Turrets protect areas from hostile mobs. Drones work similarly to turrets, but are mobile and have lower stats. Customizable, deployable, Different ammo and effects for each. Features: Bullet turret: This turret uses iron nuggets and gold nuggets as ammo and shoots […]

RpgDifficulty Mod (1.21.1, 1.20.1) – Making Minecraft Progressively Harder
1.21.1fabric

RpgDifficulty Mod (1.21.1, 1.20.1) – Making Minecraft Progressively Harder

RpgDifficulty Mod adds progressive difficulty to Minecraft, which depends on the time a player spends in the game and the distance they travel from spawn. The farther from spawn and the longer the player plays, the harder the game becomes-mobs have more health and deal more damage. This slightly changes the game mechanics-now, the area […]

Falings Summonings Data Pack (1.21.4, 1.21.3) – Ender Magic, Trades And Mysteries
1.21.4

Falings Summonings Data Pack (1.21.4, 1.21.3) – Ender Magic, Trades And Mysteries

Falings Summonings Data Pack introduces a new ender-themed mob offering unique trades, a custom currency system, and a magical structure to uncover. Perfect for players seeking fresh content and intriguing mechanics in their Minecraft adventures! Enjoy playing this data pack! Features: Adds a new ender mob with trades to spare, a new currency and a […]