Link — Fullbright 1.12.2 Resource Pack

Warning: Some modern launchers reset this file on launch.

This is the classic "Gamma 1000" exploit. fullbright 1.12.2 resource pack

Illuminates the darkest caves, the Nether, and the End, making exploration and resource gathering significantly safer and faster. Warning: Some modern launchers reset this file on launch

Light Up Your World: A Guide to the Fullbright Resource Pack for Minecraft 1.12.2 and the End