Minecraft Java 1.21 Mods
Browse 573 free mods for Minecraft Java 1.21 — popular picks include True Combat Manager, No crystal/kart pvp, Shogun's Blast - Undead & TNT.
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True Combat Manager
A powerful and optimized PvP combat system featuring advanced tracking, cooldown control, combat log
No crystal/kart pvp
Add a delay to tnt minecarts and end crystals before they can deal damage, fully preventing their use in combat, while still allowing for traps and pranks.
Shogun's Blast - Undead & TNT
Explore haunted Japanese villages, battle explosive Oni Warlords, and defeat the Council of Leaders in this immersive RPG structure and combat mod.
Vanilla Journeys +
This Modpack is a spiritual successor to my Vanilla Adventures +, However with this one I intend to keep the core mechanics as Vanilla as possible.
CMM
Create Magic & More (CMM) fuses the mechanical brilliance of Create with the arcane mastery of Ars Nouveau. Automate, enchant, and explore a world where gears turn and spells flow in harmony — creativity and magic, working hand in hand.
QuickPOT / PVP Potion
PvP/combat potion switching made easy with a fast radial menu, supporting drinkable, splash, and lingering potions with 8 customizable slots.
Combat Expansion (Dual Wielding)
Expanding upon Minecraft Combat to make the Minecraft PvP & PvE experience better!
Cloroxwipes110's Custom Combat
A datapack that changes combat completely.
Lifesteal999
Battle for survival in this customizable lifesteal plugin featuring heart stealing mechanics, hardcore elimination, combat logging protection, and full configuration control
DC's PVP
Optimized PVP pack for Minecraft 1.21.11. Integrates Sodium and Lithium for smoother performance, with adjusted combat mechanics for stable multiplayer gameplay
Old Infuse Rework
Old Infuse Rework: is a PvP-based progression plugin where players start with no effects and gain positive effects by killing others, while dying without power grants negative effects. the only way to grow stronger or remove weaknesses is through combat.
Tomma's Fantasy Collection
An immersive fantasy-themed modpack that combines stunning visuals, deep gameplay mechanics, and a world full of mystery, magic, and adventure.
BCombatLog
Simple combat logging plugin with actionbar countdown
FoCombatTag
Combat tagging with timers, command locks, and safe-zone rules.
Shadow's PVP pack
This Modpack contains all the necessary mods for PVP optimization and mechanics
Danger Log
Best Combat System for SMP's to use to prevent logging out mid fight! We use advanced methods that really help owners and other players to have a fun experience in server fights.
Ethereal Blasters
A mod that combines the power of Magic into modernized forms of Combat!
Player-Level Randomizer
Every time you level up, a random event is triggered, ranging from beneficial loot rains to spawning structures and deadly combat arenas. Taking damage will cost levels..
Beyond Border Unlocked
Bypass the vanilla worldborder building & combat limitations.
CaloCraft 2
CaloCraft is a combination of mods to create a personally satisfying Minecraft experience. It comprises of 240+ Mods and Resource Packs, ranging from world gen changes to new items and mechanics. 2.0 currently in Beta and anything is subject to change
In Combat
Detect when the player is in combat and prevent actions! Highly configurable & with mod integrations!

BringBackBlocking
OldCombatMechanics Addon that replicates 1.8.9 sword Blocking Animations
Clean PVP Mechanics
Tweaks, utility and PVP Based Texture Pack, used for Better experience
IVC
This project is an attempt to make the most of the "vanilla" Minecraft client using mods. The rules for the project are simple. I. All mods must be clientside. II. Bugs / game mechanics may not be fixed. III. Improve as much of the client by improving or
Improved Combat
Reworks existing combat related enchantments to be less strict.
Better Netherite Combat
Improves late-game combat by changing netherite knockback mechanics
Cobblemon: Snackbar SMP
The Cobblemon & Create modpack used on the Snackbar SMP, combining Pokémon-style gameplay with Create’s mechanical systems and automation.
EmakiAttribute | RPG Attributes and Damage
Takes over vanilla combat maths with configurable attributes, staged damage types and traceable results.
RuneDelta
150 runes for weapons, armor, shields and tools that spice up combat and exploration
Combat Lock
This project syncs with LuckPerms to prohibit command usage, such as /tp, /gamemode, /rtp, etc, during combat. It is configurable to any commands, and any type of combat.
Robot Legion
Build a steampunk robot army. Workers automate jobs while combatants fight beside you through three boss dungeons. Trade with engineer villagers for rare parts.
Better Arrows
Better Arrows adds arrow ricochet off blocks and a mechanic for recovering arrows after firing, making archery combat more dynamic and strategic without straying from the vanilla experience.
HanKkk's Enhanced Experience - HEE
HanKkk's Enhanced Experience: A finely curated modpack that boosts performance, enhances visuals, and enriches your Minecraft adventure with new structures, improved mechanics, and seamless quality-of-life mods. A complete upgrade of your Minecraft World!
Eslayfer Weaponary
A datapack that add more combat mechanics and weapons
Old But New
Brings back mechanics from legacy MC.
CombatMe
an pvp fair system when someone starting a fight the one who start it doesn't run with TP command 😈