HomeJava1.21

Minecraft Java 1.21 Mods

Browse 18 free mods for Minecraft Java 1.21 — popular picks include Armageddon, DivineRPG, Gravestone Dungeons Data Pack.

Updated daily

FiltersBosses×Guns×Robots×Clear all
Armageddon
1.21.1neoforge

Armageddon

A highly configurable overhaul of Minecraft's way of progressing through the game : bosses, RPG-like, new mechanics, multiplayer compatibility, weapons, ores... !

1.5Mdownloads
DivineRPG
1.21.1neoforge

DivineRPG

8 New Dimensions ♦ 115+ New Mobs/Bosses ♦ Hundreds of New Blocks and Items ♦ Unique Weapons and Armor

551kdownloads
Gravestone Dungeons Data Pack
1.21.11

Gravestone Dungeons Data Pack

This data pack adds dozens of small and massive dungeons, bosses, custom loot, magic spells, many custom weapons, enchantments and much more!

39kdownloads
Relics of Ruin
1.21.11fabric

Relics of Ruin

A custom weapon system featuring boss-themed swords with unique abilities and mechanics.

3.4kdownloads
Harry's Hostile Expansion
1.21.8neoforge

Harry's Hostile Expansion

Adds many different hostile mobs, mechanics, structures & bosses.

2.0kdownloads
Deepcraft
1.21.4neoforge

Deepcraft

A hardcore Minecraft mod with new ore, weapons, bosses, mobs, a unique dimension, haunting music, and forgotten secrets waiting to be uncovered.

1.3kdownloads
stupid horror mod
1.21.4neoforge

stupid horror mod

this is a joke horror mod that adds a scary biome, where you have to kill scary creatures to collect scary souls to later craft into a boss altar and fight the boss. there is an ingot with good weapons that can take down most of the scary creatures.

710downloads
Techless
1.21.4neoforge

Techless

A Mod that adds 3 new bosses with unique phases Fight them to craft Legendary weapons in this Vanilla+ progression mod Made using Mcreator

584downloads
BossesChaos
1.21.1neoforge

BossesChaos

Wield legendary weapons and challenge unique, powerful bosses hidden across the world. Defeat the chaos, survive deadly mechanics, and claim epic rewards!

197downloads
Nation's Roots
1.21.8neoforge

Nation's Roots

Nation's Roots - a mod where you choose one of 4 Races with unique Nations. Your choice grants powers and flaws. Find a Star to change your Nation and defeat a race boss to claim their legendary weapon. Your roots define your power.

92downloads
Folded Iron
1.21.4neoforge

Folded Iron

A boss/item/weapon/after game content mod

90downloads
Amethyst Age
1.21.8fabric

Amethyst Age

Expand Minecraft's amethyst progression with new tools, armor, weapons, food, a custom biome, Crystal Merchant, Crystal Warrior boss, advancements, and unique abilities like 3×3 mining, Tree Chopper, and Crystal Charge! 💜

51downloads
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!

47downloads
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.

39downloads
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

39downloads
KingCraft [FORGE]
1.21.1neoforge

KingCraft [FORGE]

Travel to a different planet? Fight new bosses? Discover new game mechanics? Welcome here.

17kdownloads
Cataclysm Ignis Soulfires Mod (1.21.1) – Defeat Bosses with Soul-Infused Combat
1.21.1

Cataclysm Ignis Soulfires Mod (1.21.1) – Defeat Bosses with Soul-Infused Combat

Cataclysm Ignis Soulfires Mod extends the Cataclysm mod with powerful new soul-infused items. It adds a brand-new material called Souled Ignitium, which you can use to upgrade your weapons, tools, and armor. This addon changes how you fight by giving your gear special abilities and fresh mechanics. You also get new items like throwable tools […]

Dwarven Automatons Mod (1.21.11, 1.20.1) – Battle Steam-Powered Bosses
1.21.11

Dwarven Automatons Mod (1.21.11, 1.20.1) – Battle Steam-Powered Bosses

Dwarven Automatons Mod brings an ancient mechanical civilization back to life in your world. It fills deep underground caves and floating void islands with hostile machines powered by steam and gears. You get to explore massive industrial ruins, fight smart robots, and collect rare metal to craft new weapons. Features: Shared Loot System: Every player […]