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Minecraft Java 1.21 Mods

Browse 519 free mods for Minecraft Java 1.21 — popular picks include candyrush, MOAR Tools, Magma Craft Remastered.

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candyrush
1.21.5

candyrush

CandyRush is an exciting team-based treasure hunting game where players compete to collect the most points! Join one of four teams, explore the map, find treasure chests, defend NPCs from monsters, and battle epic bosses to become the ultimate champion!

96downloads
MOAR Tools
1.21.1neoforge

MOAR Tools

MOAR Tools is a progression and combat expansion mod that adds three new gear tiers, two dungeon systems, a full boss encounter, and a suite of custom mobs all designed around a dark, End-themed aesthetic.

95downloads
Magma Craft Remastered
1.21.1neoforge

Magma Craft Remastered

A small mod adds: new biome, new ores, new structures, new boss, new tools, and more!

90downloads
Folded Iron
1.21.4neoforge

Folded Iron

A boss/item/weapon/after game content mod

90downloads
Creations Of Tygrys
1.21.8fabric

Creations Of Tygrys

Mod made for fun, adding new boss, dimension and structures!

89downloads
Steve's Custom Bosses Data pack
1.21.5

Steve's Custom Bosses Data pack

This data pack adds custom recipes, advancements, challenges, and bosses to the game, all with vanilla mechanics!

87downloads
Cooper age
1.21.1neoforge

Cooper age

mod adds 2 metals and 1 alloy. You can make weapons, tools and armor with them. There is still 1 boss

85downloads
ServerWardenFight
1.21

ServerWardenFight

This plugin spawns a Warden at worldspawn once per day at a random time between 11 AM and 8 PM, broadcasting its arrival and tracking its health in a bossbar. It can also be spawned manually, and the killer earns 750–1500 Vault dollars, announced in chat

85downloads
Berry's Land
1.21.4neoforge

Berry's Land

**Berry's Land** is an adventure mod that introduces a beautiful new dimension with custom progression, unique creatures, giant trees, Compote Rivers, and an exciting boss fight. Discover a mysterious world and earn powerful rewards!

82downloads
Cake Tower HUD Plus
1.21.4fabric

Cake Tower HUD Plus

HUD overhaul and optional server-side combat stats for the Cake Team Towers · Chapter 3 map—health, hearts, resources, team/mob 3D bars, stats panel, boss-bar toggles; v6+ damage attribution, K/A/D taken, DPS, session history. Auto-hides elsewhere.

82downloads
BulsciCraft
1.21.4neoforge

BulsciCraft

Enjoy this brand new mod that adds New Dimensions, Mobs, Items, Blocks, Unusual things and even a bossfight...

82downloads
Jeff: The Awoken Core
1.21.8fabric

Jeff: The Awoken Core

Face Jeff, a late-game raid boss who tests your skill, strategy, and timing to earn powerful loot and master Minecraft combat

80downloads
Chronotide
1.21.4neoforge

Chronotide

A time-bending dimension mod filled with fractured biomes, echoing bosses, and mysterious relics. AI-designed mod.

80downloads
Bosses Reimagined
1.21.7

Bosses Reimagined

This is release of Bosses Reimagined. It is release but ,if you have any bugs you can message me.

79downloads
EpicMobs
1.21spigot

EpicMobs

mobs, boss, dungeon, skills

79downloads
HARD NEW
1.21.1neoforge

HARD NEW

A technologically advanced game with a focus on realism! Shaders, automation, smart NPCs, hundreds of animals, and hardcore bosses. Explore this vibrant world with your friends using the built-in voice chat.

68downloads
The Protector
1.21.4neoforge

The Protector

Add a BOSS, named The Protector and stuff bout him

67downloads
Osimu Boss Fights
1.21.1neoforge

Osimu Boss Fights

This mod adds very unforgiving bosses and cool rewards. Most of them will be glass cannons, strength alone won't be enough.

66downloads
Custom Boss Template
1.21

Custom Boss Template

Easy custom boss template for Minecraft 1.21+. Fully configurable health, name, appearance, phases, attacks, messages and rewards. Perfect for adventure maps and servers.

66downloads
Trick Quiver
1.21.1fabric

Trick Quiver

An archery combat mod: switch between 12 magic arrows, craft bow attachments, battle clockwork archers, and raid a Japanese-style boss shrine. One arrow solves everything.

65downloads
Empowered Armory
1.21.11fabric

Empowered Armory

This mods adds addition weapons, items, weapons, tools, blocks, bosses and armor

63downloads
BossySky
1.21.4

BossySky

Polish Author's Boss Plugin for your Minecraft server!

62downloads
Monsterwalll's Bosses And Stuff
1.21.1neoforge

Monsterwalll's Bosses And Stuff

A mod I made that adds Bosses, Structures and more! Note that this is my first mod so please comment what you think should be fixed in future mods.

58downloads
Endorium Mod
1.21.8neoforge

Endorium Mod

Endorium is an end-game expansion mod for Minecraft that introduces a new mini boss, new wood type and new tier of equipment beyond Netherite.

58downloads
Telum Solaris - At the Forest's Edge
1.21.1fabric

Telum Solaris - At the Forest's Edge

Telum Solaris aims to add new weapons, armor and boss to minecraft for every stage of minecraft's progression. It is currently my first and only project!

56downloads
Attack Mastery
1.21

Attack Mastery

Grindy attack skill progression! Kill levelled mobs to level up your Attack Mastery (max 200), gaining up to +1000% damage. Bossbar tracks XP — perfect for RPG servers with Levelled Mobs!

56downloads
chicken boss
1.21.4forge

chicken boss

Adds a powerful God Chicken boss that attacks players by spawning creepers and iron golems.

55downloads
Dynamic Difficulty More Hard
1.21.1

Dynamic Difficulty More Hard

Level Adjustment for Mobs and Bosses in the DENLAND Modpack by Guzk

54downloads
⚡EvilMobs - Create your custom bosses
1.16spigot

⚡EvilMobs - Create your custom bosses

Multifunctional Bosses with simple configuration

54downloads
randomitems-mod
1.21.1fabric

randomitems-mod

Adds /randomitems, /randommobs, /randomweapon, /randomarmor, /randomtool and /randomquest commands that periodically give random items, spawn random mobs, swap your gear, or assign 5-minute random quests with a boss bar and personal sidebar.

49downloads
ThicMobKai - Dungeon, Boss and Mob RPG System
1.16spigot

ThicMobKai - Dungeon, Boss and Mob RPG System

A premium dungeon, boss, and mob progression plugin with EN/VI support.

49downloads
Floreláis
1.21.1neoforge

Floreláis

Created in 1 week for my high school art class. It is a very basic mod adding 6 flowers and a boss. Similar feel as old 1.7.10 mods.

49downloads
néant+
1.21.4neoforge

néant+

Adds a new dimension and mobs, bosses. With ores and armor to match. The mod has a dark visual theme.

48downloads
Boss Radar
1.21.1neoforge

Boss Radar

Craft a special compass that senses powerful mobs lurking nearby. Hold it to see a color-coded ring around your crosshair with the boss's name and distance, turning red as danger closes in — perfect for staying alert to the Ender Dragon, Wither, Warden

46downloads
Chariz's Mayhem
1.21.8neoforge

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

45downloads
Custom Entity API
1.21.9

Custom Entity API

A datapack API allowing anyone to add custom entities, or bosses, to Minecraft: Java Edition, powered by Animated Java.

44downloads