CurseForge · Minecraft mod

Aetheria: Realms & Outlaws

Beta Survival-MMORPG overhaul for Minecraft 1.21.1 with classes, elemental magic, custom gear, quests, world generation, living towns, and crime systems. Test Server: play.aetherdevstudio.com

Choose a version Pick your version below, then grab the matching file.

Quick answer

Which Aetheria: Realms & Outlaws release should I use?

Updated 2 days ago

beta file aetheria-0.4.1-beta.jar

Game version 1.21.1

Loader NeoForge

Aetheria: Realms & Outlaws aetheria-0.4.1-beta.jar targets 1.21.1 with NeoForge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.

Where it goes

Is Aetheria: Realms & Outlaws required on the client, server, or both?

The project page does not say whether this file belongs on the client, dedicated server, or both.

Client Source doesn’t say

Dedicated server Source doesn’t say

Loader for this release NeoForge

Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume

The source does not explicitly classify this release as client-only or server-only.

Understand client and server requirements Read the Minecraft installation guide

What else does Aetheria: Realms & Outlaws aetheria-0.4.1-beta.jar need?

aetheria-0.4.1-beta.jar. Change the file and its required mods may change too.

No extra mods listed for this file

This file does not list any required mods. Do not add a library just because a different file uses it.

This file does not list any required or optional mods.

Before you install it

Add Aetheria: Realms & Outlaws without breaking your instance.

Built for Aetheria: Realms & Outlaws aetheria-0.4.1-beta.jar. Pick another file and the loader, install side or required mods may change.

01
Stick to this file

Use aetheria-0.4.1-beta.jar. It targets 1.21.1 with NeoForge; another release may have different loader, side or dependency requirements.
02
Bring the mods it needs

This file does not list any required mods. Do not add a library just because a different file uses it.
03
Put it on the correct side

The project page does not say whether this file belongs on the client, dedicated server, or both.
04
Pick the file you checked

Use the “Get this file” button beside aetheria-0.4.1-beta.jar. It opens that exact file at the source.

About this project

What does Aetheria: Realms & Outlaws add?

Aetheria: Realms & Outlaws is a Survival-MMORPG overhaul for Minecraft 1.21.1 on NeoForge. Build a character, choose a class, explore a dangerous world, and grow stronger through quests, gear, magic, and exploration.

Test Server: play.aetherdevstudio.com

BETA NOTICE
This is a beta release. Features and balance are still in development; bugs, incomplete systems, and compatibility issues are expected. Back up your worlds before installing and report issues with steps to reproduce them.

FEATURES

Four playable classes: Warrior, Mage, Ranger, and Paladin, with class abilities and elemental magic.
Character creation, RPG stats, mana and stamina, skill trees, attribute points, and a character sheet.
Custom weapons, armor, rarities, rolled stats, gem sockets, and Curios trinket slots.
New ores, resources, quests, achievements, zone-scaled encounters, and custom mobs.
Hub towns with merchants, guards, currency, and an evolving crime and bounty system.
Ruins and loot-filled locations to discover.

REQUIREMENTS

Minecraft 1.21.1
NeoForge 21.1.x
Java 21
Curios API 9.x for Minecraft 1.21.1 (required)
TerraBlender 4.1.0.8 or newer for Minecraft 1.21.1 (needed for Aetheria biomes to generate naturally in new chunks)

OPTIONAL INTEGRATION

JourneyMap 1.21.1 (6.0.x) adds map markers for structures and mobs.

INSTALLATION
Install NeoForge, Curios API, and TerraBlender, then place the Aetheria JAR in your Minecraft mods folder. Start the game with Minecraft 1.21.1 and the matching NeoForge version. Back up existing worlds before testing this beta.

Project description from CurseForge.

Pick your setup

Aetheria: Realms & Outlaws by Minecraft version and loader

Choose the version and loader you play, then open the matching release.

1 available setups

Minecraft version

1.21.1

1 loader build

NeoForge aetheria-0.4.1-beta.jar 0 stable files · 5 total · 8 Nov 2026

Check the dependencies, then try the file in a copied instance before changing a world you care about.

Recent files