Minecraft Java 1.21 Mods

Browse 26 free mods for Minecraft Java 1.21 — popular picks include Arda's Sculks (Ancient City Portal / Deep Dark Dimension), Invincible: Overdrive, Vaults of Abandon.

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26 mods

1.21.1neoforge

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.

122kdownloads

1.21.1neoforge

Invincible: Overdrive

A Modpack base on the comic and TV show "Invincible", focusing on the mod "Invincible Conquest", bringing in challenging adventure with difficult mobs and bosses to conquer

14kdownloads

1.21.11

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.

13kdownloads

1.21.1neoforge

Gateway of Doom

Throw a Devil Eye to open a configurable combat gateway. Survive random or fixed waves, bosses and timed challenges for rewards—or suffer debuffs. Includes auto gateways, custom mobs, profiles, admin menus, commands, diagnostics, plus a stable add-on API.

10.0kdownloads

1.21.9

Moar Bosses

Moar Bosses adds 7 types of randomly spawning bosses into your Minecraft world. Each boss has 3-5 unique and crazy magical attacks, and drop cores that can be used to craft magic wands. The bosses have custom textures using Optifine or Reselect or CET.

8.3kdownloads

1.21.1forge

Titans

This mod is made for those who love adventures. Adds new ore, materials, items, structures, and a boss

7.4kdownloads

1.21.1neoforge

KamenRiderBossYOUandME

Henshin! Step into this heated conflict. In “The Final Boss, You and Me”, it's like the fateful duel of Kamen Riders. The shining belt is the symbol of glory. Amid the intertwining of light and shadow, only the strongest can break through the darkness

3.7kdownloads

1.21.11fabric

Relics of Ruin

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

3.4kdownloads

1.20.5

Warden bossfight

Turns a player into a boss with warden and sculk-based abilities

2.1kdownloads

1.21.5neoforge

DeadSummons

This adds Magic of evil. We have three magic types, one boss. and items for your world!

1.6kdownloads

1.21.1neoforge

Fortnite 3: Victory Royale

Featuring GUNS, BOSSES, OP WEAPONS & ARMOR, MAGICAL CROPS, INSANE TECH this pack is loaded with crazy mods that'll throw you on a wild ride

1.4kdownloads

1.21.1neoforge

CrazyMC - A Special Apocalypse | Apocalypse with Quests!

A chaotic Minecraft adventure featuring zombie hordes, powerful bosses, firearms, magic, advanced technology, massive dungeons, and endless progression.

883downloads

1.21.11fabric

koper_mod

A chaotic Minecraft mod with unique bosses, broken armor sets, and a corrupted dimension a little unbalanced but fun as hell.

727downloads

1.21

Void king dimension

Adds an epic boss fight with the Void King and his minions, spreading corruption, and powerful weapons.

652downloads

1.21.1neoforge

Grandia Dungeons

A dark fantasy roguelike dungeon adventure with classes, bosses, cursed loot, magic, traders and procedural floors.

464downloads

1.21.1neoforge

Crowned Herobrine [LEGACY]

Adds a new boss called Crowned Herobrine that is a formidable opponent. He drops a useful crown ;)

441downloads

1.21.8neoforge

BossBound Relics [drops & weapons]

New weapons as a reward for beating bosses !

316downloads

1.21

NexusMobs

NexusMobs is a comprehensive RPG plugin that transforms your Minecraft server by introducing over 20 unique bosses

301downloads

1.21.1neoforge

Grandia Dungeons [Modpack]

A dark fantasy dungeon roguelike modpack with bosses, classes, cursed loot, magic, custom UI and atmospheric progression.

269downloads

1.21.11

Brian's Boss Items

Plugins that adds custom Boss Items

137downloads

1.21.1neoforge

ADKM

Defeat a powerful, giant boss roaming your world to claim his legendary Scythe with +16 Attack Damage! A high-risk, high-reward challenge. (Requires GeckoLib)

126downloads

1.21.11

Sculk Wrath

Sculk Wrath is a complete Warden boss overhaul datapack that transforms the Warden into a 4-phase boss fight with custom attacks, boss bar, music, configurable drops, and dramatic animations.

122downloads

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

1.21.1fabric

The Legend Returns

Herobrine has returned. Cursed structures, shadow clones, epic boss fight, and dark portals await. Survive the apocalypse.

52downloads

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

1.21.5fabric

Blood Toll Pistol

The Blood Toll Pistol is a cursed weapon that deals 1000 damage to mobs, less to bosses. Right-click to fire a magical bullet with effects. Each shot costs 5 hearts, 3s cooldown, 100-use durability.

816downloads