Ready to install?

FTB Obsidian FTB Obsidian 21.1.0

Check the game version, loader and dependencies below, then grab this exact release.

CurseForge release

ftb-obsidian-21.1.0.jar

FTB Obsidian 21.1.0

Game
1.21.1
Loader
NeoForge
Published
29 Jan 2026
Channel
release
File size
10.7 KB

SHA-1211508da8ddcb3ca30f95f2f72d75643483a8fdb

Where this file goes

Client, server, or both?

Client Source doesn’t say
Dedicated server Source doesn’t say

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

Dependencies for this release

What else does it need?

Required

FTB Library (NeoForge)

Matched file: [NEOFORGE][1.21.1] FTB Library 2101.1.39

Open project
Required

Architectury API

Matched file: [NeoForge 1.21] v13.0.11

Open project
6 optional, embedded or incompatible relationships
  • Roughly Enough Items Fabric/Forge/NeoForge (REI) optional
  • Just Enough Items (JEI) optional
  • Cloth Config API (Fabric/Forge/NeoForge) optional
  • REI Plugin Compatibilities (REIPC) optional
  • MezzConfigGUI optional
  • MezzConfig optional