: Since a Torch emits light level 14, you generally need to place them every 6 to 7 blocks on a flat surface to ensure no spot drops to level 7 or below. 3. Light Sources in 1.17.1 Common light-emitting blocks available in this version:
: Glowstone, Sea Lanterns, Lanterns, Jack o'Lanterns, Beacons, and Conduits. Level 14 : Torches and End Rods. Level 10 : Soul Fire Torches and Soul Lanterns. Light Levels 1.17.1
: Glow Lichen (introduced in 1.17), which is often not bright enough on its own to stop mob spawns. 4. Technical Tools : Since a Torch emits light level 14,