Minecraft Java 1.21 Mods
Browse 576 free mods for Minecraft Java 1.21 — popular picks include Lafiński tuffiński (lafless), MadMobs, [ICCTN] EchoShard.
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Lafiński tuffiński (lafless)
Adds lafless the youtuber to the game!!!
MadMobs
Passive mobs become aggressive and hunt players with customizable damage, speed, and AI behavior.
[ICCTN] EchoShard
Adds Echo Shard crafting and a short Deep Dark advancement progression including Recovery Compass crafting and Warden encounters.
Random Stuff (W.I.P)
this mod adds a lot of random stuff
NxControl
NxControl is an advanced staff plugin that lets OP players control players or mobs using simple keybinds, with GUI, bossbars, and freeze system built-in. It’s lightweight, powerful, and perfect for moderation, trolling, or cinematic gameplay.
Sniffer Egg Fall Block
This Mod Allows you placing a Sniffer Egg On the Air can fall and damage any entities

Essence Reborn
This plugin allows players to be imbued with the Essence of the mobs which they have slain, giving them special abilities!
CreatureCapture
Turn mob hunting into a collection challenge!

SpyGlassMeData
Datapack that is used by the SpyGlassMe mod.
Last Resort Soup
Adds an insanely OP stew that is meant as a last resort when all else fails
Monster Attack Ability
Monster attack ability mod, adds a attack abilities of monsters, you can open it by pressing M button, you can rebind it in game settings.
Chariz's Mayhem
A Minecraft Mod That Aims To Add Fun Things Into Minecraft, Such As New Mobs, Bosses, Weapons, Tools, Armor etc. Created By The Maniac Himself, DarkChariz
Being Alone (BE)
This mod makes you feel alone... because you are...
Mahan's Mod
This Mod is a Random Mod Of What My World Will look like.
Grief
You love your Minecraft pets until the very end, but now they leave you with a special parting gift.
Void and Full
A necessary mod to bring the creatures, magic and weapons of the Void Gifted Server to players.
Ravenborne
Class based medieval fantasy rpg mod based by Ravenborne theme!
Blood Moon: Night Hunt
Automatic Blood Moon nights, stronger mobs, new cursed enemies, weapons, charms, and rare loot for Minecraft Fabric.

便携TNT发生器
The Portable TNT Generator builds up massive total damage through a series of small explosions! Be careful—the Continuous Portable TNT Generator may backfire. You can enchant it with “Backfire Protection.” To get it, trade with the Librarian~
BackguardAegis
Overhauls shield combat by adding a 360° omnidirectional "Ultra Shield" mechanic with dynamic shockwaves, aggressive projectile deflection, and custom enchantments.
Fighte Border
Open-world PvP with configurable border duels, item drop protection, and competitive gameplay.
Endless Instability
This mod changes many stages of Minecraft, adding new blocks, tools, and bosses. It's not yet finished and is in early development. It's 70% translated into English and 100% into Russian.
Border Guard
Border Guard adds magical protectors that guard structures. Only players with a special key can pass. Sneak past them, claim the key, or destroy them with a rare protector killer.
DivineCows
This is a paper/spigot plugin that punishes a player if he/she kills a cow.
Soul Works Mod
This is a mob spawn utility mod.
Damage Dummys
Adds Damage Dummys for each tier of armor that display how much damage was delt to them
Rift Wars SMP
Team-based PvPvE SMP gameplay with rifts, timed captures, artifacts, instability, and a final breach event.
Mod but my Friends decided what's in it
lots of stuff, a huescape dimension, dragons, epic cave biome with game-changing mob, eldritch horror spider, Son Goku and more!!!1!!!
Tank Buster Enchantment
Tired of tanky players? Use this enchantment and no more tanky players!
half-stats
Halves all 41 player attributes in Minecraft — half health, half damage, half speed, and more. Mobs and armor stands are unaffected.
Expedition X
Expedition X is a minecraft mod for neoforge 1.21.8 that overhauls the vanilla progression system with new resources, challenges, and adventures!
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 ;)
LinkedFate
A Sympathy Thread item binds two creatures or two blocks so harm carries across. Hurt one and its partner takes the same damage. Break a linked block and its twin breaks too. A dust thread marks every bond.
Mob Rain
It starts raining all items and all mobs, so be careful.

Suspicious Clock
This datapack is bout one of Eider's yt videos about google translate mobs chnaging theb ehavior of mobs too. The thing i was talking is a clock man form it, becuase it drops a sus clock. Now you craft it with 4 clocks and redstone!
Mob Power DP
This data pack allows you to level up every time you defeat a mob, granting you various enhancements upon leveling up.