In this context, vanilla lighting becomes a hindrance. The standard game engine renders light by calculating the interaction between light sources (torches, glowstone) and surrounding blocks. This creates shadows—shadows that hide ores, obscure dangerous mobs, and turn the simple act of caving into a constant struggle against the "Blackout" effect, where the screen goes pitch black in unlit areas.
: Open Minecraft, go to Options > Resource Packs , and move the Fullbright pack to the "Selected" column. Pro-Tip: No-Download Method fullbright texture pack 1122 link