Minecraft Java 1.21 Mods
Browse 576 free mods for Minecraft Java 1.21 — popular picks include [ICCTN] EchoShard, Random Stuff (W.I.P), Chariz's Mayhem.
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[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
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
MadMobs
Passive mobs become aggressive and hunt players with customizable damage, speed, and AI behavior.
Grief
You love your Minecraft pets until the very end, but now they leave you with a special parting gift.
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.
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.
Echo of the Deep
A Deep Dark overhaul that makes the Warden smarter, scarier, and worth fighting — featuring sculk vials, purification, and the Echo Glaive.
Blood Moon: Night Hunt
Automatic Blood Moon nights, stronger mobs, new cursed enemies, weapons, charms, and rare loot for Minecraft Fabric.

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
Mahan's Mod
This Mod is a Random Mod Of What My World Will look like.
Void and Full
A necessary mod to bring the creatures, magic and weapons of the Void Gifted Server to players.
BackguardAegis
Overhauls shield combat by adding a 360° omnidirectional "Ultra Shield" mechanic with dynamic shockwaves, aggressive projectile deflection, and custom enchantments.
Damage Dummys
Adds Damage Dummys for each tier of armor that display how much damage was delt to them

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~
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.
Soul Works Mod
This is a mob spawn utility mod.
Fighte Border
Open-world PvP with configurable border duels, item drop protection, and competitive gameplay.
Rift Wars SMP
Team-based PvPvE SMP gameplay with rifts, timed captures, artifacts, instability, and a final breach event.
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 ;)
half-stats
Halves all 41 player attributes in Minecraft — half health, half damage, half speed, and more. Mobs and armor stands are unaffected.
Tank Buster Enchantment
Tired of tanky players? Use this enchantment and no more tanky players!
DivineCows
This is a paper/spigot plugin that punishes a player if he/she kills a cow.
Sporekin origin
Adds the sporekin origin. Adapted to life in total darkness, they've developed a biological mechanism that allows them to use their poisonous spores both defensively and offensively.
Actually Scary Creakings
A small little datapack, made to make creakings legitimately a threat to the player.
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.
Calamity Bosses
20 NEW bosses that will shift the power changes in your world, adding custom item rewards and custom blessings to ease your fare through this treacherous world.
Boss Cannon
The Boss Cannon Inspired By WMC
Endmode 2 | Terraria Style Datapack
Terraria inspired overhaul to progression. New bosses, items, etc.