Home›Java›1.21

Minecraft Java 1.21 Mods

Browse 1,195 free mods for Minecraft Java 1.21 — popular picks include DreadWalker, BBAds, Rare Mob Item -warden-.

Updated daily

FiltersBosses×Clear all

Sort

Popular Newest A–Z

1,195 mods

1.21.8neoforge

DreadWalker

A mod adding a new boss, new weapons, tools, armor, and a magic staff.

112downloads

1.16

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.

112downloads

1.21.1neoforge

Rare Mob Item -warden-

The purpose of the mod called RMI (rare mob item) is to make the bosses in the game more useful.

112downloads

1.21

HereMobby

A paper server plugin to create custom entities (mobs, bosses, reward items, craftable items, mounts, wild animals)

111downloads

1.21

AMGHud

💰AMGHud💰Bossbar HUD, TAB List💰

111downloads

1.21.1neoforge

Matthew's adventure

The Hardwood Forest biome is a forest with dark hardwood trees and Ironbugs that drop iron nuggets. Players can tame a mob inspired by me using honey blocks and fight a boss named after my friend in the plains biome. Craft and discover many unique items.

110downloads

1.16spigot

ServerCreators - Bossy [ANARCHIA.GG]

boss events anarchia

109downloads

1.21.11fabric

Esoteric

Animations, Visual Effects, Terrian Enhancements + Structures. This pack also includes rebalancing of bosses. which makes some mobs + bosses more difficult

108downloads

1.21.1neoforge

Artifacts and Bosses

This mod adds new gems that can be collected from 4 new bosses

105downloads

1.21.9

Chain Accessories Resource Pack

Wear chains like a boss

105downloads

1.21.11fabric

Zombieium

Zombieium adds configurable night-time zombie waves and an optional boss encounter with a red warning beam, fiery arrival effects, and unique drops.

104downloads

1.21

BossBarUltra

Modern floating health bars for mobs using Minecraft’s TextDisplay system. Lightweight, customizable, and perfect for RPG and PvE servers.

103downloads

1.21

DeathBeacon

A lightweight Paper plugin that marks death locations with infinite particle beams and dynamic Boss Bar timers for effortless item recovery.

103downloads

1.21

Mob Icons+

Hostile mobs become easier to recognize at a glance with clean pixel face icons for UI elements, boss bars, and compatible minimaps.

102downloads

1.21

FoggyBar

Very customizable boss bar plugin (can create fog and darken screen)

102downloads

1.21.8fabric

MehrPinguin

A mod adding penguins, biomes, structures, rituals, and bosses – currently only available in German language.

100downloads

1.21.1neoforge

The Bob Mod!

The Bob Mod adds, you guessed it, Bob! Bob can fly around his bob castle, and his portal room to the Bob dimension. The Bob chicken is also added, and is a brand new boss to fight!

98downloads

1.21.1neoforge

Vitae

Vitae is a data-driven entity framework for NeoForge 1.21.1 that lets you define custom animated mobs, bosses, and NPCs through datapacks and optional KubeJS scripting.

98downloads

1.21spigot

TmAlert [1.21.x]

Send Alert in ActionBar, BossBar or Title

98downloads

1.21spigot

Lord of Craftery | The Ultimate Eldritch RPG [1.21.11]

22 Unique Pathways, Sanity System, Alchemy, Custom Bosses & Spirit World Dimension.

97downloads

1.21.7fabric

BossHeart

A mode that makes playing more comfortable

97downloads

1.21-pre1

Copper Breeze

You ever felt that, a boss that's made out of air, does not really fit into the trial chambers, so I made him out of copper!

96downloads

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!

95downloads

1.21fabric

The game Built For YOU

This modpack is somewhat "lightweight" this adds a few new mobs bosses and features have fun!

95downloads

1.21.1neoforge

BossReng's UI Mod

Boss_Reng and various Lofi music creators bring you the best visuals and the most comfortable acoustic experience in Minecraft!

94downloads

1.21.1neoforge

Accurate Craft

A performance-focused Minecraft modpack featuring enhanced visuals, quality-of-life improvements, new structures, epic boss fights, and expanded building possibilities.

93downloads

1.20spigot

RegionDisplay

Displays the WorldGuard region name, action bar, boss bar, and sound notifications.

93downloads

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

1.21.1neoforge

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.

90downloads

1.21.4neoforge

Folded Iron

A boss/item/weapon/after game content mod

90downloads

1.21.1fabric

Raijin's Wrath

Unleash the wrath of Raijin — a Fabric adventure of thunder-forged gear, lightning-touched foes, summonable bosses, sacred shrines, and an in-game compendium guiding your ascent.

89downloads

1.21.1neoforge

Antique Odyssey

A progression-focused adventure modpack where ancient magic, powerful relics and mechanical engineering shape your journey. Explore a world filled with dangerous bosses, forgotten ruins, powerful spells and intricate machinery.

89downloads