Minecraft Java 1.21 Mods
Browse 1,188 free mods for Minecraft Java 1.21 — popular picks include Daily Boss X Legend Monsters, All About Mobs - Creatures & Bosses & Combat, MythicDungeons.
Updated daily
Daily Boss X Legend Monsters
this datapack makes daily boss and legendary monsters compatible
All About Mobs - Creatures & Bosses & Combat
All About Mobs enriches your Minecraft experience by adding a plethora of new creatures to discover and interact with, enhancing the dynamics of each biome.
MythicDungeons
Procedural party dungeons with queue visibility, run previews, persistent player profiles, bosses, loot, and weekly leaderboard progression.
LAir's Bosses
This mod adds two bosses to the game, The Spirit of the Forest and Zeus, along with a new structure: Olympus.
BossBar Toggle
A simple client-side mod that lets you show or hide the boss bar using commands like /bossbar toggle, /bossbar on and /bossbar off.
Koth Wars - King of The Hil
An advanced KOTH plugin with clan support, customizable rewards, and dynamic bossbar/actionbar displ
Mystborn Horizons
A progression mod to add more ores, mobs, bosses and structures.
Boss Bars: Reloaded
Compact boss bars for that preserve functionality while reducing UI clutter.
Minecolonies - Order and Chaos
This is the official modpack from the youtube serie "Minecolonies Caos e Ordem". Create your own colonie in a dangerous world with buffed monsters and bosses.
Project Conquest
A action pack rpg game with multi player and over 3 new worlds plus space based on a show called invincible with many powers and bosses plus npcs where you have to destroy worlds or bring peace and fight many foes and complete the story line
SMPGracePeriod
Disable PvP during server grace period with customizable duration, BossBar countdown, commands, and inter-plugin API.
Daily Boss x Brutal Bosses
Compatibility between Daily Boss and Brutal Bosses.
Waypoints and Bossbars
Adds raiders, trial mobs, skeleton horsemen and bosses to the locator bar and gives trial spawners and skeleton traps bossbars.
ScalingMobs
Adjusts the stats of bosses and mobs, multiplied by the number of players on the server.
Warden bossfight
Turns a player into a boss with warden and sculk-based abilities
Coordinator
Highly customizible compass hud element based on a bossbar!
epic fight, cataclysm,bosse's rise, born in chaos, hazennstuff, cataclysmspellbook compatibility datapack
A datapack that make epicfight compatible with hazen N stuff, bosse's rise, iron spell and spellbook, and born in chaos for minecraft neoforge 1.21.1
Grace999
GracePlugin provides configurable, per-world grace periods with PvP and mob damage protection, boss bar countdowns, sound alerts, and customizable safe zone regions with flag-based protections.
TitleAnnouncer
A lightweight Paper and Velocity plugin to send Titles, Actionbars, Bossbars and Chat announces with MiniMessage format
Create: Cogs & Cataclysm
Immerse yourself in Create: Cogs & Cataclysm, a modpack where mechanical ingenuity meets high-stakes adventure. Built around the Create mod’s extensive automation and L_Ender’s Cataclysm's impressive dungeons and boss battles.
DeatButThreeReload
Prevent players from having to respawn multiple times to defeat some bosses
glorbins armoury
a mod that contains epic weapons and supreme bosses
L_Ender's Cataclysm X Terraria Calamity Music
Resource Pack that replaces the boss themes of the bosses from L_Ender's Cataclysm with songs from the Terraria Calamity mod.
Diary of an 8-Bit Warrior
Experience Aetheria like a Terrarian! Complete quests, kill bosses, and level up your skills! Maybe you'll even meet Runt and his friends…
Harry's Hostile Expansion
Adds many different hostile mobs, mechanics, structures & bosses.
Deltarune Project
This mod adds various elements of Deltarune chapters 1 and 2 to Minecraft. There are many new materials and bosses added to the game.
Terra by Sexy Crew
Explore stunning landscapes, level up your player and have fun while fighting strong bosses or catching cobblemons
Project Obscura
Start Your Ultimate Exploration into an Adventure-Packed Modpack | Epic Dimensions & Massive Dungeons | Challenging Bosses | Stable Long-Term Multiplayer | Cozy Building & some Create Automation
Daily Boss X Twilight Forest
Compat Daily Boss with Twilight Forest
DLCraft!
CHALLENGE SIX TIERS OF LEGENDARY BOSSES
Explorer´s & Marriage
A light modpack with structures, bosses and the chance to have a happy family
Catch, Create, Conquer
The Ultimate Cobblemon RPG! Gyms 1-8, 20+ Bosses, All Megas from Z-A, 1000+ Quests, and Gambling!!
Arcadia Unlimited
Step into the worlds of Arcadia, start simply but slowly evolve to use kinetic technology and eventually complex machines. Explore the world, complete various quests, and defeat challenging bosses with your learned skills and magic.
Boss Checklist & Field Guide - Harrowing Hells Compatibility
Integrates the Cinderscourge boss from Harrowing Hells as an entry in the Boss Checklist mod.
Nice Blockhead Mobs
Adds cute, little Mobs (and 1 new Boss) made out of Miniblocks. No Ressource Pack required.
DragonForge
Dragon Forge is a RPG–survival with skill-gated gear, Create-powered industry, mythic bosses & dungeons, and lush worldgen. 200+ content mods + 90+ perf/QoL. Built for multiplayer on MysticHorizonsMC.