To make a mob farm in Minecraft that automatically spawns and kills enemies, you'll need stone, trapdoors, chests, hoppers, slabs, and water.

You are going to need a lot of blocks for this build so you should better get to farming. As for the blocks themselves, you can pretty much use anything. Cobblestone and Wood are the most common ...

This build creates a mob trap that lures and eliminates mobs automatically for drops. It is efficient, compact, and useful ...