No Mob Spawning on Trees Mod 1.12.2, 1.11.2 - 9Minecraft.Net
Mob Spawning Science - Alpha - Survival Single Player - Alpha - Archive - Minecraft Forum - Minecraft Forum
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Mobs not spawning? (The roof was patched up, light level 0, and I was 27 blocks away but no mobs were spawning. Checked and there are no caves below. : r/Minecraft