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Minecraft Java 1.21 Mods

Browse 16 free mods for Minecraft Java 1.21 — popular picks include Arthropod Phobia Expansions + Horror Bosses (Spiders, Arachnophobia), Pumpkillager's Quest, Invincible: Overdrive.

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Arthropod Phobia Expansions + Horror Bosses (Spiders, Arachnophobia)
1.21.1neoforge

Arthropod Phobia Expansions + Horror Bosses (Spiders, Arachnophobia)

ArPhEx: Intricate, phobia-inducing, realistic mobs, and supernatural bosses

8.8Mdownloads
Pumpkillager's Quest
1.21fabric

Pumpkillager's Quest

🎃 SpookyJam 2022: Help out the Pumpkillager! With custom encounters, rewards and a boss fight you'll get immersed in the story. Spawn him by breaking a pumpkin in this spooky scary Halloween style mod!

2.1Mdownloads
Invincible: Overdrive
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
Gateway of Doom
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
KinglyBosses
1.7.2

KinglyBosses

KinglyBosses is a Minecraft plugin for managing custom bosses. It allows summoning powerful bosses, generating custom items, and enabling player spectating. It also offers features like boss lists, spawn zone management, and easy configuration reloading.

3.9kdownloads
DeadSummons
1.21.5neoforge

DeadSummons

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

1.6kdownloads
Fortnite 3: Victory Royale
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
CrazyMC - A Special Apocalypse | Apocalypse with Quests!
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
NexusMobs
1.21

NexusMobs

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

306downloads
Grandia Dungeons [Modpack]
1.21.1neoforge

Grandia Dungeons [Modpack]

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

273downloads
GiantZombie
1.17

GiantZombie

summon and battle a colossal zombie boss with customizable stats and drops!

172downloads
The Choppa Age Update
1.21.1neoforge

The Choppa Age Update

This mod adds Choppas, Chopper Golems, Choppa Chests, and a new Choppa Golem boss to Minecraft. There are new items such as the cleavers, and a new extremely common biome called the wastelands.

170downloads
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.

40downloads
Boss Baby Disc 11
1.19

Boss Baby Disc 11

Adds felfeb's boss baby song over disc 11 (request by s_0laris)

20downloads
Arthropod Phobia Expansions Mod (1.21.1, 1.20.1) – Face Your Fears
1.21.1forge

Arthropod Phobia Expansions Mod (1.21.1, 1.20.1) – Face Your Fears

Arthropod Phobia Expansions Mod is an advanced RPG and horror-themed mod designed to expand Minecraft's endgame with realistic arthropods and terrifying stalker bosses. Features: Stalker Bosses These are relentless, death-bringing entities with advanced AI to track and hunt you across great distances. Hallucination entities and lightning strikes signal their presence. They can also be summoned […]

Fights&Frights Mod (1.21.1, 1.20.1) – Battle Creepy New Monsters
1.21.1

Fights&Frights Mod (1.21.1, 1.20.1) – Battle Creepy New Monsters

Fights&Frights Mod fills your world with new monsters and hidden bosses. It adds creepy creatures to different biomes while keeping the classic game feel. Features: Boss Fights: Lets you summon powerful bosses using a special item called the Ominous Hex. Undead Infection: Includes a pathogen effect that starts a zombie-like pandemic if you turn it […]