At the bottom, 30 blocks below, is a 1x1 waterless drop zone surrounded by (to prevent explosion damage). Here, the "Full" comes into play. Instead of letting mobs survive with half a heart, you add a crusher – two extra sticky pistons that push a block back and forth, dealing constant suffocation damage. Or, even simpler: the 1x1 hole has 24 minecarts stacked inside, causing entity cramming (the game forces entities to take damage when more than 24 occupy one block). In 3 seconds, all softened mobs die, dropping XP orbs into a hopper chain leading to your storage system.
If you have spent hours chasing stray zombies off your lawn or lost an entire chest of diamonds to a creeper explosion near your base, this is the article for you. We will dissect everything from the basic mechanics to the advanced "30 Full" configuration that makes this trap a must-have for any serious survival world.