Grey area. Most anarchy servers (like 2b2t) consider gamma boosting a standard trick. However, combining Fullbright with X-Ray is universally despised. Fullbright alone gives you visibility, but not wall hacks.
No. It is your world. If you prefer exploring without squinting or want to focus on building rather than mob-proofing every corner, Fullbright enhances your quality of life. It is no different from playing on "Peaceful" mode. fullbright 1.12.2 resource pack
Ensure the downloaded file ends with .zip . Do not unzip it. Minecraft reads compressed folders natively. Grey area