Minecraft Java 1.21 Mods

Browse 39 free mods for Minecraft Java 1.21 — popular picks include Twilight Forest Bosses Resurrection, Twilight Tweaks, Slayer's Beasts.

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39 mods

1.20.1forge

Twilight Forest Bosses Resurrection

This mod provides ability to respawn bosses form Twilight Forest

1.5Mdownloads

1.21.1neoforge

Twilight Tweaks

Adds a very configurable final boss among other config options.

1.3Mdownloads

1.21.4neoforge

Slayer's Beasts

Explore new structures and biomes to face off against beasts and bosses on the surface, or in treacherous dungeons.

357kdownloads

1.21.1neoforge

Eternal Tales

Eternal Tales is a huge RPG story mod that adds more of new worlds, skills, quests and bosse

347kdownloads

1.21.1neoforge

Twilight Forest Final Boss (remake)

An additional mod to add the final boss to Twilight Forest.

288kdownloads

1.21.11fabric

Aerial Hell

Sky Dimension & Dungeons, Bosses - from 1.16.5 to 26.1.x

202kdownloads

1.21.1neoforge

Winter update

This mod adds a lot of content to winter biomes. Starting from ordinary reindeer, ending with various bosses.

87kdownloads

1.21.1neoforge

Age Of Dragons

Age of Dragons is a dark fantasy Minecraft mod featuring elemental dragons, custom classes, cinematic boss fights, and lore-driven progression. Face ancient trials, challenge forgotten kings, and uncover the truth behind the Dragonlands.

76kdownloads

1.21.8neoforge

Desert Tombs

Adds a giant Tomb to desert biomes, introducing new mobs: the Scorpion, the Mummy, and a Pharaoh mini-boss.

67kdownloads

1.21.1neoforge

Antarchy

A re-imagining of the classic Orespawn mod adding 45+ mobs, 8+ bosses, 3 fleshed out dimensions, and more

51kdownloads

1.21.11neoforge

[ Spellnomia ] - Iron's Spells 'n Spellbooks magic modpack

Master arcane mana and alchemy in this RPG adventure with Iron's Spells, mages, wizards, dragons, bosses, and grimoires. Explore dungeons, dungons, and biomes with opti performance, shaders, and immersive medieval fantasy sorcellerie

32kdownloads

1.21.11fabric

Mythic Horizonss

An epic RPG & Adventure modpack for Fabric! Features overhauled combat, massive boss fights, breathtaking new biomes, and maximum FPS optimization.

28kdownloads

1.21.1neoforge

Sensei Illager

Adds dojos and a Sensei Illager mini boss to cherry grove biomes.

15kdownloads

1.21.1neoforge

Red Forest

Boss fights, quests, tasks, tools, and guns. Biomes and dimensions with 13+ mobs and 15+ structures and many more.

11kdownloads

1.21.11fabric

[DCME] Dynamic Contextual Music Engine

Replaces vanilla music with a dynamic soundtrack that reacts to biomes, time of day, weather, battles, bosses, structures, etc. Fully customizable via resource packs and JSON; no programming required

4.8kdownloads

1.21.1fabric

MRPG - Massive Role Play Game

This Modpack is an Fantasy RPG Modpack with many news like Biomes Weapons Bosses Structures Leveling System and more

3.5kdownloads

1.21.4neoforge

All About Mobs - Creatures & Bosses & Combat

All About Mobs enriches your Minecraft experience by adding a plethora of new creatures to discover and interact with, enhancing the dynamics of each biome.

2.6kdownloads

1.21

Theosis

Plugin-ready RPG survival with loot, gems, bosses & biomes. Thesis-style modularity. Multilanguage Apotheosis-inspired

1.3kdownloads

1.21.1forge

The World of Crackers

A new cracker biome with a new boss!

1.2kdownloads

1.21.1neoforge

Explorisa

This modpack is centered around becoming stronger as you explore new structures, biomes, and even whole new dimensions, all the while defeating strong bosses, in a medieval/fantasy rpg setting.

730downloads

1.21.1neoforge

Prismara

Dive into the fascinating world of Prismara, where magic and exploration come together. Explore vast biomes, face powerful bosses, and uncover the secrets of various schools of magic and witchcraft.

619downloads

1.21.1neoforge

Alternative Twilight (Remastered version)

Added more mechanisms to the bosses of Twilight Forest, making it more time to prepare for them

605downloads

1.21.1fabric

Catch & Explore [Cobblemon Fabric]

This Modpack offer an incredible avventure in the cobblemon word by adding new biomes and structures, and also some new mini-bosses

523downloads

1.20.1forge

RealmsQuest

RealmQuest - Fabric, designed for players who love epic adventures with original dungeons, bosses, and spells. It features expanded biomes, new tools.

427downloads

1.21.1neoforge

Spiria Reincarnated Again!

With Tensura: Reincarnated and many addons, expanded dimensions, new structures, bosses, biomes, and plenty of quality-of-life mods, the pack offers an epic adventure that combines building, combat, and character progression.

416downloads

1.21.1neoforge

Craft Colonies

Build your own medieval colony, automate factories with Create, face epic bosses, and explore a vast world full of unique biomes, structures, and adventures.

373downloads

1.21.1fabric

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.

323downloads

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

1.21.1neoforge

Anti Magick: The Twilight Forest

Optional Anti Magick integration that suppresses Twilight Forest portals, magic abilities, summons, and selected boss actions

51downloads

1.21.1forge

Twilight Tweaks Mod (1.21.1, 1.20.1) – A True Final Boss to Conquer the Forest

Twilight Tweaks Mod adds configurable features to The Twilight Forest mod. This addon introduces a final boss spawner, giving the dimension a new ultimate challenge. By default, the spawner summons a very strong husk with reinforcements to fight. The mod also allows you to change what the spawner does, like summoning a different mob or […]

1.21.4fabric

Slayer's Beasts Mod (1.21.4, 1.20.1) – Diverse Mobs and Bosses

Slayer's Beasts Mod is an RPG mod in development, adding a large amount of fantasy content to the game. You will have access to new biomes to explore, new blocks, various dungeons, monsters, and much more. Features: Ant colonies Praying mantis Wither spider Ambient damselflies Ents (Oak & Birch – more to come) White/Black mushrooms […]

1.20.1forge

Twilight Spellbooks: Iron's Spells 'n Spellbooks Addon

This mod adds 7 new spellbooks; you can get them by defeating all the bosses in the Twilight Forest mod.

47kdownloads

1.21.1fabric

Oramoun RPG

Oramoun RPG is a fantasy-driven Minecraft RPG modpack focused on exploration, powerful progression, and epic combat in a massive world filled with new biomes, legendary weapons, dragons, and challenging boss dungeons.

784downloads

1.21.1neoforge

EpicCraft Explore

Enhance Minecraft with new biomes, dungeons, and structures while keeping the vanilla feel! Discover improved villages, bosses, and exploration tools for a fresh adventure! 🚀

766downloads

1.21.1

Threateningly Mobs Continued Mod (26.2, 1.21.1) – Hunt Dangerous Beasts

Threateningly Mobs Continued Mod fills your world with dangerous creatures, summoning bosses, structures, and strong gear. It populates vanilla biomes with high-health monsters that hunt livestock and challenge survival players. You can forge unique weapons, explore dungeons and altars across multiple biomes, and open a portal to an uncharted dimension. Features: Spawns hostile creatures across […]

1.21.1

Confluence Journey's Start Modpack (1.21.1) – Terraria Reborn In Three Dimensions

Confluence Journey's Start Modpack brings the 2D sandbox world of Terraria into a fully 3D Minecraft experience. You can explore dangerous biomes, fight classic bosses, and build houses to welcome helpful town folks. The pack blends the best of both games with custom music, a helpful quest book, and a brand new way to progress. […]

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