Minecraft wiki entry for Piglin, associated text: Piglins spawn in groups of 2-4 in nether wastes and crimson forest biomes, and within bastion remnants upon generation, at a light level of 11 or less in Java Edition, or 7 or less in Bedrock Edition on most blocks other than nether wart blocks or magma blocks. In Bedrock Edition, they can naturally spawn even in Peaceful difficulty. Each piglin has a 20%‌[Java Edition only] or 5%‌[Bedrock Edition only] chance of spawning as a baby.