Minecraft Java 1.21 Mods
Browse 59 free mods for Minecraft Java 1.21 — popular picks include DivineRPG, Arda's Sculks (Ancient City Portal / Deep Dark Dimension), Dungeons Content 2.
Updated daily
DivineRPG
8 New Dimensions ♦ 115+ New Mobs/Bosses ♦ Hundreds of New Blocks and Items ♦ Unique Weapons and Armor
Arda's Sculks (Ancient City Portal / Deep Dark Dimension)
Arda's Sculks mod is a mod that improves the ancient city in the game and offers the ability to open the ancient portal in the ancient city. This mod adds many deep dark biomes to the game and many boss creatures found in these biomes.
Dungeons Content 2
Dungeons Content II is a mod that adds content from a new game that has not yet been released and is a direct continuation of MCD. At the moment, only the new hostile mob Warden Boss is available
Vaults of Abandon
Conquer the Vault, in the Vaults of Abandon - Dungeon Datapack. Battle Epic Bosses, Explore vast dungeons, and utilize powerful magic. Access over 50+ Custom Items, and battle over 20+ Custom Mobs.
Invisible Boss Bars
Simply hide your boss bars & just keep the text. Hide either all boss bars, only progress or just hide boss bars with 0 progress (empty)
Adventurer's Beyond
Explore lost structures. fight dangerous bosses, and journey to the beyond in this epic mod.
Announcer Plus
Custom Join/Quit messages and auto-broadcasts! Text animations, Boss Bars, Titles. and much more!
True Boss Music
Adds much needed boss music to Minecraft's Bosses!
Belzebuth Nether Kingdom
Adds a news structure to the Nether, The Belzebuth Castle, along with a new Boss, New Tools, New Items, New Enemies and New Music Discs!
Ea Nasir's Items and Bosses Pack
Introduces new bosses, items, and more!
Pirate Adventures
Pirates is a huge project for the Minecraft game in the form of a DataPack. By installing the required ResourcePack and the DataPack itself, you get a large number of new mobs, items, blocks, mechanics, and bosses.
Mystborn Horizons
A progression mod to add more ores, mobs, bosses and structures.
TitleAnnouncer
A lightweight Paper and Velocity plugin to send Titles, Actionbars, Bossbars and Chat announces with MiniMessage format
Styled Boss Bar API
Design your Styled Boss Bar!
xBossBar
Create, edit and show custom BossBars with a few commands, All on a single plugin.
ReniDrags Molten Mayhem!
Explore the new biome that brings dungeons, dimensions, a custom boss, cool new custom items and of new tools!! Get on this mod baby!! Its super duper cool (source trust me bro)
Deepcraft
A hardcore Minecraft mod with new ore, weapons, bosses, mobs, a unique dimension, haunting music, and forgotten secrets waiting to be uncovered.
AnimaBossBar
Make your own BossBar with this plugin!
Cobblemon Boss Bars
Pokémon inspired boss bars!
Klarian Chronicles Magic & Steel
Fantasy RPG modpack tailored for private server combining Better combat, legendary bosses, dragons, four magic paths, MineColonies kingdom building, Create automation, vampirism, and rich decorative building content.
Dyable BossBars
dye bossbars different colors
Bossclient
PVP Client for the best game experience
Boss Update
This mod adds three new distinct bosses with custom drops and powers. (also available in multiplayer worlds.)
More Ore -
Mod that adds more content and more ore to minecraft. New content includes bosses, dimensions, weapons.
Pixeltheris
Epic RPG Modpack 1.21 – explore dungeons, master magic, face challenging bosses, build and decorate, and enjoy enhanced combat, progression, and quality-of-life features. Optimized for multiplayer and private servers.
NexusMobs
NexusMobs is a comprehensive RPG plugin that transforms your Minecraft server by introducing over 20 unique bosses
FriedZane
A mod that adds new items and bosses that relates to the minecraft youtuber "FieryZane" and adds new awesome features to make minecraft more destructive and fun!
Custom Announcer
CustomAnnouncer is a lightweight and highly customizable announcement plugin for Paper Minecraft servers that supports multiple display types including boss bars, chat messages, titles, and action bars
Frosty Day
New mobs, structure, boss and other cold stuff! ❄️
Yarlan
Yarlan is a 16× RPG resource pack for servers: cohesive weapons & armor, custom mob/BOSS visuals, accessories, crops, and skill icons/UI. Activates on mc.aelris.cn (Java 1.21.1). First load may take a few minutes.
Plastic BossBar
Bring your bosses' health bars to life! This resource pack gives them a stylish plastic texture inspired by Bare Bones, making them crisp, colorful, and modern.
MagicAirdrops
Replace boring airdrops with new events with various rewards and bosses.
Worlds O' Plenty II
A new & updated curated modpack featuring all sorts of experiences!: - Adventure! - Decorations! - Bosses and Mobs a plenty! And of course... *drum rolls* Plenty of Worlds to explore! - Updated to 1.21.1 Neoforge!
BossBarTools
A simple and configurable Fabric mod for Minecraft that allows you to hide boss bars completely or toggle their visibility on demand
Slot Highlight for CI Embossed Legacy
A custom slot highlight designed for CI Embossed Legacy. / Un resaltado de slots personalizado diseñado para CI Embossed Legacy.
BBAds
Want to capture your player's attention? Use bBAds to display custom messages via the BossBar. Features include configurable server ads, player-submitted content, a regex filter, and robust admin controls. Tailor messages to match your server's style.