: Light level decreases by 1 for every block of distance from the source along the X, Y, or Z axes. Diagonally, it decreases by 2. 2. Mob Spawning Rules (1.17.1)
: To prevent mobs from spawning, you must keep all walkable surfaces at a light level of 8 or higher . Light Levels 1.17.1
Below is a breakdown of how light levels function in version 1.17.1. 1. The Core Mechanics Light in Minecraft is measured on a scale from . : Light level decreases by 1 for every