Minecraft Java 1.21 Mods
Browse 121 free mods for Minecraft Java 1.21 — popular picks include Cobblemon - Mechanical Legends, MobPVP // CANCELLED, VkSpearSmp.
Updated daily
Cobblemon - Mechanical Legends
Mechanical Legends includes Create/Create Aeronautics, all 1025 Pokémon, a currency-based economy, challenging quests, and many unique features for a deep Cobblemon experience.
MobPVP // CANCELLED
MobPVP transforms your Minecraft survival experience by assigning levels to every living creature in the game. Based on these levels, mobs gain different abilities, attributes, and loot chances, creating a more challenging and rewarding combat system.
VkSpearSmp
VkSpearSmp is a progression-based spear combat plugin that rewards PvP kills with automatic spear upgrades, enchantments, and powerful speed-scaled damage.
Blue's Sword-Bedwars
This mod recreates Blue's abilities from Alan Becker's Bed Wars stickman animation. It can be used for combat in Bed Wars and Survival.
No Elytra in Combat
Disables Elytras while players are in PvP Combat
Celest Combat Xtra
A simple plugin that tags players in PvP and kills those who disconnect to prevent combat logging. but a better version with more features
TechMeg-Endless Survival-
TechMeg – Endless Survival is a challenging survival modpack that expands vanilla gameplay with progression tweaks, multiplayer-friendly mechanics, and enhanced exploration.
Mob HeadSteal SMP
Collect player heads on kill and unlock powerful abilities using custom mob heads in intense PvP combat.
Combatlog-Ultimate
A simple CombatLog plugin for MC 1.21+, blocking commands/items in combat, with a configurable timer, logout punishment, No-PvP zones, and language support (DE/EN).
SMPCombatLog
Global PvP combat system that punishes players for disconnecting during fights.
Jump Delay Fix
Minecraft Fabric mod eliminating jump delay for faster, more responsive combat—perfect for PvP.
Mattutomon - MTT
Minecraft modpack focused on Pixelmon and other mods, offering a survival and exploration experience that combines Pokémon adventure with classic Minecraft mechanics.
LCE
Bring classic 1.8-style PvP and old combat feel to modern Paper servers with legacy knockback, projectiles, bow boosting, sword blocking, and cleaner combat feedback.
Elytra PVP Rebalance
Elytra time limit in combat, requested by @euxarbi
G1axPracticeBot
A powerful Minecraft plugin that spawns customizable practice bots for crystal PvP training. Perfect for servers wanting to provide players with AI opponents to practice their combat skills.
Battle Optimized
⚔️ Battle Optimized is a lightweight Minecraft modpack focused on maximum performance and smooth PvP gameplay. It combines essential optimization mods with PvP utilities, giving you higher FPS, reduced lag, and sharper combat mechanics — all while keeping

DonutCombat
Anti-combat log plugin that prevents command usage and automatically kills players who log out during PvP, vibe coded.
Heros Pvp Mod
Hero PvP Mod is a client-side Fabric mod that enhances Minecraft PvP with a customizable interface, useful combat features, and quality-of-life improvements in one easy-to-use package.
OakBot
OakBot lets you spawn smart server-side bots to practice PvP in multiple gamemodes: Carts, Sword, UHC, SMP, Vanilla, and Mace Better movement, combat AI, and vanilla-like behavior — perfect for training an
OutCombatLog
✨ Anti-PvP leave, Item CD, Punishments. BossBar, sounds, chat messages, and more!
VNNhatTruongneee's Crosshair Addons
A sophisticated, combat-focused utility that dynamically enhances crosshair feedback for precision PvP, developed by VNNhatTruongneee to optimize player engagement and reach accuracy in Minecraft.

ICombatLog
Prevents unfair PvP logouts with smart combat tracking, region protection, and configurable punishments.
Untitled Modpack - Hard Survival
Untitled Modpack enhances survival with immersive world generation, fluid movement mechanics and automation.
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.
True Combat Manager
A powerful and optimized PvP combat system featuring advanced tracking, cooldown control, combat log
Combat Expansion (Dual Wielding)
Expanding upon Minecraft Combat to make the Minecraft PvP & PvE experience better!
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.
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
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..
QuickPOT / PVP Potion
PvP/combat potion switching made easy with a fast radial menu, supporting drinkable, splash, and lingering potions with 8 customizable slots.
Shadow's PVP pack
This Modpack contains all the necessary mods for PVP optimization and mechanics
Clean PVP Mechanics
Tweaks, utility and PVP Based Texture Pack, used for Better experience
CombatMe
an pvp fair system when someone starting a fight the one who start it doesn't run with TP command 😈

Combat-Hud Indicator
A lightweight multifunctional client-side mod that displays many HUDs necessary for both PVP and Survival gameplay.
KaiCore
KaiCore, PvP balancing, exploit control, and server QoL for Paper/Spigot. Combat tags, item bans, cooldowns, dimension locks, and more all managed in-game via GUI.
Nocturnal PVP
"Fight at night, truce by day!" This datapack automatically enables PVP only during nighttime, creating intense nocturnal combat scenarios, then disables PVP at dawn to let players regroup. Perfect for survival servers seeking risk-reward gameplay!