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Minecraft Java 1.21 Mods

Browse 558 free mods for Minecraft Java 1.21 — popular picks include Military Tanks & Helicopters, Create: Cogs & Cataclysm, War weapons.

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Military Tanks & Helicopters
1.21.1neoforge

Military Tanks & Helicopters

Drive tanks and fly helicopters with full interior views, weapon systems, and fuel mechanics

2.1kdownloads
Create: Cogs & Cataclysm
1.21.1neoforge

Create: Cogs & Cataclysm

Immerse yourself in Create: Cogs & Cataclysm, a modpack where mechanical ingenuity meets high-stakes adventure. Built around the Create mod’s extensive automation and L_Ender’s Cataclysm's impressive dungeons and boss battles.

2.1kdownloads
War weapons
1.21.11fabric

War weapons

Medieval styled weapons and war utilities.

2.1kdownloads
Not Coldown
1.21

Not Coldown

Lets the admin enable or disable player attack cooldown, switching between classic 1.8.9 combat and the modern system.

2.1kdownloads
Open Parties and Claims: Warfare
1.21.1neoforge

Open Parties and Claims: Warfare

Turn OPaC claims into battlefields with chunk wars, raid rules, claim protection, and Xaero/Create support.

2.0kdownloads
Reaper's Scythe
1.21.5

Reaper's Scythe

Introduce the legendary Reaper's Scythe, an end-game weapon with permanent combat buffs, a devastating right-click AoE attack (Wither II), and an on-kill speed boost. Highly configurable.

2.0kdownloads
Fabulous Blades
1.21.1neoforge

Fabulous Blades

Adds new swords with different types and mechanics. Compatible with Better Combat for unique attack styles!

2.0kdownloads
Legacy Sword
1.21.9

Legacy Sword

Restores the classic sword spam-click combat from pre-1.9 versions.

2.0kdownloads
Atomics Client
1.21.11fabric

Atomics Client

Atomics Client is a customizable Fabric PvP client that adds clean visuals, totem pop customization, combat overlays, stats tracking, and useful quality-of-life tools.

2.0kdownloads
Axe and Sword Switcher
1.21.1fabric

Axe and Sword Switcher

Auto Tool Switch is a client-side Minecraft mod that automatically switches between sword and axe during PvP combat based on whether the opponent is using a shield.

1.9kdownloads
AntiGriefPlus
1.21.8forge

AntiGriefPlus

AntiGriefPlus is a Minecraft mod that protects specific blocks (like chests, doors, and structures) from explosion damage caused by creepers, TNT, or other sources. It keeps your buildings safe without disabling combat or gameplay mechanics.

1.9kdownloads
Combat Visuals!
1.21.11fabric

Combat Visuals!

A mod that adds basic Impact Frames!

1.9kdownloads
SickSheet's Practice Bot
1.21.11fabric

SickSheet's Practice Bot

A Fabric mod adding a highly customizable bot and a kit system for combat and PvP practice

1.8kdownloads
Combat Weaponary Plus
1.20

Combat Weaponary Plus

A Custom Item Plugin Built By Kurulus, Tons of features like Custom things, Custom tools, Custom armor, Install the plugin to see yourself, Supports 1.21 x 1.16

1.8kdownloads
Survival Not Guaranteed
1.21.1neoforge

Survival Not Guaranteed

Dive into an expansive Minecraft modpack that blends challenging survival mechanics like temperature and thirst with extensive exploration of overhauled dungeons and new biomes, all while offering dynamic combat, magical mastery, and complex automation.

1.8kdownloads
CPvP Utilities
1.21.1fabric

CPvP Utilities

CPvP Utilities is a Fabric Client-side mod designed to enhance the Crystal PvP experience, providing a set of utilities that streamline and simplify common combat interactions, all configurable through an in-game ClickGUI.

1.7kdownloads
Money SMP
1.21

Money SMP

💰 Money SMP: Lightweight PvP economy, no jobs, just combat. ⚔️

1.7kdownloads
[SimplePetsAddon] PvP Addon
1.21.5

[SimplePetsAddon] PvP Addon

Checks for when the owner of a pet is in combat and will remove all their current pets

1.7kdownloads
aicheye's Combat Tagging
1.21.11fabric

aicheye's Combat Tagging

Lightweight fabric server plugin to make PvP fairer and prevent combat-logging.

1.6kdownloads
Vanilla Combat Improvements
1.21.8fabric

Vanilla Combat Improvements

Adds 6 new weapons with custom abilities and effects that refresh vanilla combat.

1.6kdownloads
DinoBrik's Spears
1.21.4

DinoBrik's Spears

Spear weapon in Minecraft! Bonus melee reach and throwable. Comes with custom spear enchantments alongside classic sword enchantments for an enhanced combat and utility experience.

1.6kdownloads
Flaxa Combat – Advanced PvP System with Combat Tag
1.16

Flaxa Combat – Advanced PvP System with Combat Tag

A clean and optimized combat system plugin that prevents combat logging, blocks unfair escapes, and adds modern combat mechanics with full customization and smooth performance for PvP servers.

1.6kdownloads
Iridium Enchants
1.7.2

Iridium Enchants

Providing a new and exciting aspect of PVP to your server via new enchantments and unique combat.

1.6kdownloads
CombatGunSSS
1.21

CombatGunSSS

Adds 45 unique guns to Minecraft, each with custom damage, recoil, fire rate, and reload mechanics, enhancing combat with balanced gameplay, multiple weapon types, and flexible customization for varied playstyles

1.6kdownloads
the scythe
1.21.11fabric

the scythe

This simple Minecraft mod introduces an exciting new weapon: the scythe. Designed primarily for PvP combat, it is fully compatible with both single-player and multiplayer modes. You don't need any other mod to operate it

1.6kdownloads
Tensura Epic Fight Compatibility
1.21.1

Tensura Epic Fight Compatibility

A datapack that lets tensura weapons use epic fight's combat system

1.6kdownloads
AutoShieldStun
1.21.11fabric

AutoShieldStun

🛡️ AntiShield Mod A lightweight client-side utility mod that improves combat efficiency by helping you deal with shield users more effectively.

1.6kdownloads
Streive's Weapons
1.21.8fabric

Streive's Weapons

Streive's Weapons mod adds diverse firearms with realistic mechanics and customization options to Minecraft. Craft, customize, and wield powerful guns for enhanced combat and exploration experiences.

1.6kdownloads
Swidget's Hit Sounds
1.21.11fabric

Swidget's Hit Sounds

A lightweight mod that customizes Minecraft hit sounds, allowing you to replace default combat audio with cleaner, louder, or more satisfying sound effects.

1.5kdownloads
ColorableLib
1.20.1forge

ColorableLib

SuperbWarfare library for easy vehicle coloring.

1.5kdownloads
DZEconomy
1.9

DZEconomy

A practical multi-currency economy plugin for Paper, Spigot, Folia, and Purpur with Money, MobCoins, Gems, LuckPerms multipliers, combat tagging, and SQLite/MySQL storage.

1.4kdownloads
Dominatus : Refinement
1.21fabric

Dominatus : Refinement

Aim for more RPG like with RNG and improve a combat implementation Monster Crit System

1.4kdownloads
CombatLogM
1.16

CombatLogM

Powerful combatlog system for your minecraft server

1.3kdownloads
Combat Numbers
1.21.1neoforge

Combat Numbers

See how much damage you deal, with style! Different indicators for different damage types.

1.3kdownloads
Refined Combat
1.21.1fabric

Refined Combat

Rebalancing pvp in minecraft focusing on pvp mechanics in vanilla whilst improving on it with new enchants and mechanics Explosions rebalanced rare enchants added combat logging system added rebalanced elytra

1.3kdownloads
BedrockCombatCompat
1.21

BedrockCombatCompat

Cross-Platform Combat Optimization for Crossplay Minecraft Servers

1.2kdownloads