Required
Open project Fabric API
Matched file: [1.21.10] Fabric API 0.138.4+1.21.10
Ready to install?
Firmament for Hypixel SkyBlock 4.0.0+mc1.21.10
Check the game version, loader and dependencies below, then grab this exact release.
Modrinth release
Firmament-4.0.0+mc1.21.10.jar
4.0.0+mc1.21.10
- Game
- 1.21.10
- Loader
- Fabric
- Published
- 17 Nov 2025
- Channel
- alpha
- File size
- 5.1 MB
SHA-1f5a8d9f361f32a83e654f530f48a8694dc1f670d
Where this file goes
Client, server, or both?
Client Required
Dedicated server Do not install
This file is marked client-only.
Dependencies for this release
What else does it need?
Required
Open project Fabric Language Kotlin
Matched file: 1.13.13+kotlin.2.4.10
3 optional, embedded or incompatible relationships
- Roughly Enough Items (REI) optional
- Architectury API optional
- Cloth Config API optional