The Twilight Forest Needed by Umbral Skies 1.6.2
requiredMatching file found Matched file: Twilight Forest - MC 1.21.1 - 4.8.3345
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CurseForge · Minecraft mod
Umbral Skies
A mod for Twilight Forest-Aether content fusion
Choose a version Pick your version below, then grab the matching file.
This page is having a moment, so a few details may be a little behind.
Quick answer
Which Umbral Skies release should I use?
Latest stable file Umbral Skies 1.6.2
Game version 1.21.1
Loader NeoForge
Umbral Skies 1.6.2 targets 1.21.1 with NeoForge. The project page does not say whether it belongs on the client. The project page does not say whether it belongs on the dedicated server. All 3 required mods have matching files.
Where it goes
Is Umbral Skies required on the client, server, or both?
The project page does not say whether it belongs on the client. The project page does not say whether it belongs on the dedicated server.
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.
What else does Umbral Skies 1.6.2 need?
Umbral Skies 1.6.2. Change the file and its required mods may change too.
Install The Twilight Forest, The Aether, oωo (owo-lib) first. We found matching files for this game-version and loader setup. 1 comes through another mod in the chain.
2 listed on this file 1 pulled in by one of those mods
The Aether Needed by Umbral Skies 1.6.2
requiredMatching file found Matched file: The Aether - 1.21.1-1.5.10-neoforge
oωo (owo-lib) Needed by The Aether
pulled inMatching file found Matched file: [1.21.1] oωo - neo - 0.12.15.5-beta.1+1.21
1 extra mod was pulled in by another dependency. Indented rows show who needs each one. We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Umbral Skies without breaking your instance.
Built for Umbral Skies 1.6.2. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use Umbral Skies 1.6.2. It targets 1.21.1 with NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install The Twilight Forest, The Aether, oωo (owo-lib) first. We found matching files for this game-version and loader setup. 1 comes through another mod in the chain.
- 03
Put it on the correct side
The project page does not say whether it belongs on the client. The project page does not say whether it belongs on the dedicated server.
- 04
Pick the file you checked
Use the “Get this file” button beside Umbral Skies 1.6.2. It opens that exact file at the source.
About this project
What does Umbral Skies add?
Umbral Skies is a fusion mod between The Aether and The Twilight Forest.
- Discover variants of Twilight Forest's Druid Huts and Wells, with blocks swapped to carefully match the unique blocks making up the Aether.
- Obtain trophies from each boss found in The Aether, in the style of Twilight Forest's trophies.
- Equip gloves available in various materials sourcing from the Twilight Forest.
Project description from CurseForge.
Pick your setup
Umbral Skies by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Minecraft version
1.21.1
1 loader buildMinecraft version
1.20.4
1 loader buildMinecraft version
1.20.1
2 loader buildsMinecraft version
1.19.4
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Umbral Skies versions and loaders
Umbral Skies 1.6.2
umbral_skies-1.21.1-1.6.2.jar
7 Jun 2026
Client Source doesn’t say Server Source doesn’t say Dependencies 3 required · matched Listed on Release listing
Check the 1.21.1 · NeoForge setup 1.21.1NeoForge release
Umbral Skies 1.6.1
umbral_skies-1.21.1-1.6.1.jar
26 Dec 2025
Client Source doesn’t say Server Source doesn’t say Dependencies 2 required · 2 unchecked Listed on Release listing
Check the 1.21.1 · NeoForge setup 1.21.1NeoForge release
Umbral Skies 1.6
umbral_skies-1.21.1-1.6.0.jar
3 Nov 2025
Client Source doesn’t say Server Source doesn’t say Dependencies 2 required · 2 unchecked Listed on Release listing
Check the 1.21.1 · NeoForge setup NeoForge1.21.1 release
Umbral Skies 1.5
umbral_skies-1.21.1-1.5.0.jar
2 Aug 2025
Client Source doesn’t say Server Source doesn’t say Dependencies 2 required · 2 unchecked Listed on Release listing
Check the 1.21.1 · NeoForge setup NeoForge1.21.1 release
Umbral Skies 1.4
umbral_skies-1.4.0.jar
5 Jul 2024
Client Source doesn’t say Server Source doesn’t say Dependencies 2 required · 2 unchecked Listed on Release listing
Check the 1.20.4 · NeoForge setup NeoForge1.20.4 release
Umbral Skies 1.3
umbral_skies-1.3.jar
25 Sept 2023
Client Source doesn’t say Server Source doesn’t say Dependencies 2 required · 2 unchecked Listed on Release listing
Check the 1.20.1 · NeoForge setup NeoForge1.20.1Forge release
Umbral Skies 1.2
umbral_skies-1.2.jar
25 Sept 2023
Client Source doesn’t say Server Source doesn’t say Dependencies 2 required · 2 unchecked Listed on Release listing
Check the 1.19.4 · Forge setup 1.19.4Forge release
Umbral Skies 1.1
umbral_skies-1.1.jar
1 Jun 2023
Client Source doesn’t say Server Source doesn’t say Dependencies 2 required · 2 unchecked Listed on Release listing
Check the 1.19.4 · Forge setup 1.19.4Forge release
Umbral Skies 1.0
Umbral-Skies-1.0.jar
29 Apr 2023
Client Source doesn’t say Server Source doesn’t say Dependencies 2 required · 2 unchecked Listed on Release listing
Check the 1.19.4 · Forge setup 1.19.4Forge release
Looking for an older file? The official CurseForge project page is in Resources.
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