Minecraft Java 1.21 Mods
Browse 3,671 free mods for Minecraft Java 1.21 — popular picks include Herobrine Horror Project, Crying Obsidian Upgrade, BloodMarks.
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Herobrine Horror Project
The best Minecraft horror plugin for 1.21.4 Spigot that lets you troll your friends or create a YouTube video with scary ambience sounds and horror effects.
Crying Obsidian Upgrade
Crying Obsidian Upgrade --- A mod that adds a lot of items, food, mechanics. Also adding a new biome, ores and mobs changing the idea of weeping obsidian. The mod also fills the world with different structures.The mod is filled with different content.
BloodMarks
Adds blood effects to your swords and a unique Blood Instinct status, attracting hostile mobs from a distance. Cleanse your weapons in water or face the challenge head-on.
Varied Mob Sizes
Randomly changes all mobs' size slightly for a more emmersive world!
CrashPanel | CrashCore
The ultimate No-Code engine. Elevate your server with hot-reload, node-based event scripting, plus full model and particle editors in one intuitive interface.
Lost in Dreamland(迷失梦域国)
Add a series of new things.Including a new dimension.
Sniff Trail - Unique Rideable Sniffer
Automatic movement using a sniffer!
VTMon (Cobblemon: Vtubers LATAM Edition)
Tus Vtubers favoritas de LATAM convertidas en Pokémon
More Mining Fatigue
makes elder guardians give the players in a 50-block radius mining fatigue every second instead of every minute.
tame every mob
Tame every regular Minecraft mob, control their behavior, store them in Mob Pockets, and upgrade them with custom equipment.
not_alone.jar
This is a horror mod that adds entities to your world
NoMoreJumpscares
Removes the Elder Guardian curse effect when receiving mining fatigue
Configurable Difficulty
A server-side Minecraft mod that adjusts entity attributes based on their biome, dimension, and depth
EssentialsX Teleport Guard
Control how teleporting works in essentials, similar to "you can't sleep there are monsters nearby" with beds!
Useful Allays
It's like a level 1 beacon with wings!
You Shall Not Climb!
Takes away an ability to climb ladders from mobs that are not supposed to have it.
Orbital Strike Cannon 8 Custom Cannons
Three devastating orbital strike weapons delivered via single-use fishing rods. Call down a totem-bypassing Mega Creeper, rain Withers and chaos potions, or carpet bomb with TNT. Fully configurable. 1.21.1+
Bastion Raid
Adds a Wither Skeleton Raid in Bastion Remnant, just like a village raid.
Golem Gear
A Mod themed off of Iron Golems. The mod adds many features such as golem blocks, golem ores, golem tools, and much more!
The Mystery
Survive chilling encounters with Herobrine, Entity 303, and Null. Balanced horror gameplay adds eerie tension without breaking vanilla mechanics.
IFC-Integrations
Unite the worlds of Ice and Fire and MCA Reborn with legendary relics, enhanced creature interactions, and a new way to experience both mods together.
Aquatic Plugin
This is a Minecraft Plugin wich adds many Ocean and Fish releated things to Minecraft
Mob Death Sounds
A simple fabric mod that plays a sound when the mob kill stat is increased.
Mini Mobs
Adds new mini variant of mobs that spawn naturally.
Stagger
Adds a simple poise and stagger system to shield blocking
No Squid ❌
Disable Squid in Minecraft by preventing its spawning and removing any that appear in the world
Ban bat
Do you hate these annoying little pests? This mod/datapack can make them disappear!
Garden Depths
Adds new interesting features to Minecraft's Pale Garden.
Always Hostile Animals
Makes all normally passive or neutral mobs attack the player on sight.
Remove "Lava Chicken" Music Disc
This simple datapack removes the drop of the "Lava Chicken" music disc specifically from Chicken Jockeys (baby zombies riding chickens).
Nebula: Parasites
Adds parasitic monsters, infection spread, and infestation mechanics.
Desolation: Reburn
Adds the charred forest, a spoooooooky biome to the Overworld!
No Magma Cube ❌
Disable Magma Cube in Minecraft by preventing its spawning and removing any that appear in the world
Giant Boss
Makes the unused giant into a boss fight and adds a new food as a reward.
Horse Traps (Re-Created)
Adds the new zombie horse trap and recreates skeleton horse trap.
CustomDisasters
Custom Disasters is a Paper plugin that adds dynamic world events like Blood Moons, Zombie Apocalypses, and Nether Breaches, each transforming gameplay with unique mob behavior and atmospheric world effects.