Sunlight

every 2 seconds:
    loop players:
        loop-player has permission "skript.sunlight"
        sky light level at loop-player is greater than or equal to 12: # damage the player from light level 12 upwards
            damage the loop-player by 1 hearts
        sky light level at loop-player is greater than or equal to 14: # extra damage from 14 upwards
            damage the loop-player by 2 hearts