Minecraft easy creeper farm 1.21.4 (no cats!) - 1900 Gunpowder per hour very effective !

This towering utilitarian structure is designed for maximum gunpowder production in survival worlds. Its sleek, vertical design minimizes its footprint while optimizing spawn rates for creeper-only harvesting. The tall central pillar acts as the core of a sophisticated mob-processing machine. It provides a highly effective, low-maintenance solution for any player in need of bulk explosives.