Minecraft Java 1.21 Mods
Browse 145 free mods for Minecraft Java 1.21 — popular picks include Hyrinity (Legacy), creeper-apocalypse, Tales of the Third Age - Balrog.
Updated daily
Hyrinity (Legacy)
An overall content mod adding progression, bosses, dimensions and more!
creeper-apocalypse
Mob Replacement System ALL mobs spawn as Creepers! with exceptions Exceptions that remain normal Blazes you still need blaze rods! Villagers or trading Ender Dragon final boss remains Iron Golem
Tales of the Third Age - Balrog
Adds a Balrog Boss to your Middle Earth modding experience!
Spells & Sorcery
Datapack that adds Spellbooks, Alchemy, New Items, New Mobs, and even a New Boss!
MythicRewards | Boss kill reward/drop plugin with custom rule support | 1.20.5+
MythicMobs Support - Top damage rewards - 6+ reward type built-in - Create your own reward rule
Boss Update
This mod adds three new distinct bosses with custom drops and powers. (also available in multiplayer worlds.)
Prototype 0.3
currently just adds some custom armor and weapons not much. later there will be bosses, extra mobs, A third set of armor, even more weapons, maybe vehicles, and a lot more.
![Crowned Herobrine [LEGACY]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/284821.webp)
Crowned Herobrine [LEGACY]
Adds a new boss called Crowned Herobrine that is a formidable opponent. He drops a useful crown ;)
Every Single Beast
Diversify your journey through the world of Minecraft with new mobs, bosses and structures! 🌱❄️⚡
Magworm
a difficult but simple boss, also yet another A.B.E. pack
More Ore -
Mod that adds more content and more ore to minecraft. New content includes bosses, dimensions, weapons.
NexusMobs
NexusMobs is a comprehensive RPG plugin that transforms your Minecraft server by introducing over 20 unique bosses
Mine RPG
This is combination of mods to add more content to Minecraft including bosses, biomes, creatures. This is more RPG adventure style while keeping all vanilla. No extra metals or materials are added on this pack.
Elysian Horizon
A beautiful modpack with a lots of custom mobs, bosses, tools and mechanicts
In the Journeys
The mods expand Minecraft further with new ores, mobs, biomes, dungeons, bosses, and magic to discover.
Frosty Day
New mobs, structure, boss and other cold stuff! ❄️
Experiency Bosses
Experiency Bosses is a datapack that brings forth four legendary foes, each bearing unique treasures—from the Axolotl lurking in the ocean’s depths to the Wither Skeleton King, crowned in shadow.
BossRewards
Reward top damage dealers in MythicMobs boss fights!
MagicAirdrops
Replace boring airdrops with new events with various rewards and bosses.
7 Deadly Sins : Reworked
A feature-rich Paper 1.21.1 plugin introducing 70 custom enchantments, raid bosses, progression systems, and party-based gameplay inspired by the Seven Deadly Sins.
Worlds O' Plenty II
A new & updated curated modpack featuring all sorts of experiences!: - Adventure! - Decorations! - Bosses and Mobs a plenty! And of course... *drum rolls* Plenty of Worlds to explore! - Updated to 1.21.1 Neoforge!
UltraRituals-Free
Offering altar system to summon bosses, free version
Warden Fight: Reimagined
A vanilla-like overhaul of the warden boss fight
EssenceBound
Adds 4 new bosses with special items and a crafting levelling system for 2 of them :)
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)
Inferno World
Dimension, epic boss battle, and tools inspired by a magical hell
DreadWalker
A mod adding a new boss, new weapons, tools, armor, and a magic staff.
Artifacts and Bosses
This mod adds new gems that can be collected from 4 new bosses
WarFmod
A mod that adds new mobs and bosses to your world, as well as new features and items.
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.
The Legend Returns
Herobrine has returned. Cursed structures, shadow clones, epic boss fight, and dark portals await. Survive the apocalypse.
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.
Creations Of Tygrys
Mod made for fun, adding new boss, dimension and structures!
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.
Bosses Reimagined
This is release of Bosses Reimagined. It is release but ,if you have any bugs you can message me.
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.