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Minecraft Java 1.21 Mods

Browse 87 free mods for Minecraft Java 1.21 — popular picks include Evan's Vanilla+ 2, Aerial Combat, Dog Modes.

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Evan's Vanilla+ 2
1.21fabric

Evan's Vanilla+ 2

A Vanilla+ Modpack for 1.21! It adds new mob mechanics, new world generation, dungeons, mobs, and items to Minecraft!

308downloads
Aerial Combat
1.21neoforge

Aerial Combat

Aerial Combat adds a togglable combat mode where attacks hit mobs upward; the player has infinite jumps to increase air time, plus additional combat options.

303downloads
Dog Modes
1.21

Dog Modes

Enhances tamed wolf utility with switchable behavior modes (Patrol, Peaceful), passive health regeneration, and automated scavenging mechanics to improve combat viability.

296downloads
LancerCore
1.21

LancerCore

Advanced Spear Combat: Combos, Elemental Catalysts & Stats

236downloads
Gangland Warfare – GTA-Style Crime
1.20

Gangland Warfare – GTA-Style Crime

Turn your server into a living crime world with gangs, guns, bounties, and progression

234downloads
Spider Drops OP Loot
1.21

Spider Drops OP Loot

Turn spiders into an overpowered loot source for intense and rewarding survival combat.

227downloads
Better Reimagined
1.21.11fabric

Better Reimagined

Enjoy this survival experience in an epic and immersive adventure. It introduces new mechanics that enrich gameplay with dynamic combat, while vibrant new biomes and impressive structures encourage exploration with unique and challenging mobs

220downloads
Copper warrior
1.21.1neoforge

Copper warrior

This mod gives you the power to raise a faithful army of your own.

201downloads
Wound & Bleeding
1.21.4

Wound & Bleeding

Wound & Bleeding adds a realistic injury system where players and mobs can bleed from combat, losing health over time unless treated with craftable bandages. It enhances tactical gameplay in PvP and survival by making every hit potentially deadly.

197downloads
RealNpcs
1.21

RealNpcs

RealNPCs is a highly advanced, cinematic PvP bot plugin designed for recording epic 1v100 horde battles and realistic bot combat in Minecraft!

196downloads
FaunaReborn
1.21

FaunaReborn

Fauna evolves: instincts take over. Configurable hostile-fauna combat plugin for Paper/Folia 1.21+

193downloads
Eternal Ascension
1.21.4neoforge

Eternal Ascension

An immersive RPG progression mod overhauling combat attributes, custom magic damage tags, and scaling mechanics.

185downloads
euclidia
1.21.1neoforge

euclidia

Adds Neural Network Powered Epic Fight Mob Combat

171downloads
CobbleCatalyst
1.21.1neoforge

CobbleCatalyst

Adds Cobblemon trainer battle phases to Cataclysm boss fights, turning boss fights into hybrid combat and Pokemon battle challenges.

168downloads
CMBT (Combat)
1.21.4

CMBT (Combat)

Combat datapack that turns existing tools into new weapons.

162downloads
Buff Banners
1.21.3fabric

Buff Banners

Hostile mobs can spawn with Buff Banners that grant combat buffs.

152downloads
Tribes & Legions: Tame Mobs, Build Your Tribe!
1.21.1neoforge

Tribes & Legions: Tame Mobs, Build Your Tribe!

Tribes & Legions lets you tame mobs, build your tribe, and manage companions through custom skills, equipment, progression, and a custom UI—while preserving their original abilities and combat styles.

129downloads
EI Mythic MobsHook
1.20

EI Mythic MobsHook

This plugin connects MythicMobs with ExecutableItems, allowing you to use custom items as abilities and mob skills. Easily trigger ExecutableItems through MythicMobs mechanics, events, or drops. Perfect for RPG servers and advanced combat systems.

124downloads
Time Hunter
1.21.5

Time Hunter

Time Hunter is a team PvP survival datapack where players compete by mining resources and eliminating foes to extend their countdown, with elimination on timeout, supporting 2-4 team battles and strategic combat.

116downloads
Bunny Squad
1.21

Bunny Squad

Tame wild rabbits with sweet berries to create loyal combat companions! Your tamed bunnies will follow you, sit on command, and fiercely defend you from monsters with rainbow particle attacks. Turn cute rabbits into your personal army.

114downloads
McCombat
1.21.9fabric

McCombat

McGather skills and abilities SWORDS AXES TRIDENTS MACES BOWS CROSSBOWS UNARMED needs McCore

110downloads
PILLAGER ARMY
1.21.8neoforge

PILLAGER ARMY

This mod adds new creatures, a new interface, and even magic. It also improves raids, making them more complex.

97downloads
MOAR Tools
1.21.1neoforge

MOAR Tools

MOAR Tools is a progression and combat expansion mod that adds three new gear tiers, two dungeon systems, a full boss encounter, and a suite of custom mobs all designed around a dark, End-themed aesthetic.

95downloads
Deadly Skeletons
1.21.1fabric

Deadly Skeletons

Turns Skeletons into a serious late-game threat by overhauling their combat equipment and spawn rules.

88downloads
NocturneSlayer
1.21

NocturneSlayer

NocturneSlayer is a Minecraft plugin that adds immersive combat mechanics, progression systems, and dark fantasy gameplay elements.

80downloads
Elemental Mob
1.21.1neoforge

Elemental Mob

Elemental Mob gives creatures elemental identities, combat traits, themed status effects, resistance potions, and elemental enchantments.

74downloads
[Discontinued] Farmy
1.21

[Discontinued] Farmy

Advanced Farming Overhaul with Skills, Gear, Pets, and much more

70downloads
Attack Particles
1.21.11fabric

Attack Particles

A Minecraft Mod.Laggy visually cluttered combat particles 😂 AI coded, open source.

66downloads
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

63downloads
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,

63downloads
Enhanced Mobs+
1.21fabric

Enhanced Mobs+

Enhanced Mobs makes vanilla hostile mobs smarter and more dangerous without adding any new mobs or crazy mechanics. It keeps the vanilla feel, but improves how mobs behave in combat. Built for Fabric.

52downloads
BlueArchive Types
1.21

BlueArchive Types

a plugin brings the type table in Blue Archive into minecraft combat

47downloads
BackguardAegis
1.21.1neoforge

BackguardAegis

Overhauls shield combat by adding a 360° omnidirectional "Ultra Shield" mechanic with dynamic shockwaves, aggressive projectile deflection, and custom enchantments.

37downloads
Pixel Combat
1.21.11

Pixel Combat

Pixel Combat is a professional, zero-dependency PvP combat plugin built for competitive Paper 1.21 servers.

30downloads
Insomnia - Hard Mode
1.21fabric

Insomnia - Hard Mode

Enhances all hostile mobs. New mechanics, higher stats, unique combat. Hardcore survival.

25downloads
oPvP-Toggle
1.21

oPvP-Toggle

oPvP-Toggle is a lightweight PvP management plugin that allows players to disable PvP combat for added safety. It also includes mob protection, preventing hostile mobs from targeting or damaging protected players.

18downloads