File Name- Full: Fixbright-mod-fabric-1.21.4.jar

He saved the world. He left Fullbright in his mods folder, a small helper that was, in the end, less about absolute light and more about illuminating what mattered enough to come back to.

While the vanilla game caps "Brightness" at 100% (Bright), this mod can push the internal gamma value to 1500% or higher, making caves and nights appear as bright as day. Key Features File name- Fullbright-Mod-Fabric-1.21.4.jar