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Automatic Farmsintermediate1.0+

MOB FARM / GRINDER

A dark room spawner that spawns hostile mobs in dark platforms, flushes them with water into a central shaft, and drops them to lethal fall height. Produces XP and mob drops passively.

Dimensions: 20W x 20L x 30H minimum

Materials List

Building Blocksx200
Slabx64

Step-by-Step Build Guide

  1. 1Build at Y=200+ for maximum spawn rates (no caves to compete).
  2. 2Create 4 spawning platforms (at least 8x8 each) in a cross pattern.
  3. 3Place open trapdoors along the edges (mobs see them as solid, walk off).
  4. 4Add water channels on each platform that push mobs toward the center shaft.
  5. 5Build a central drop shaft (23+ blocks tall for lethal fall damage).
  6. 6At the bottom, place hoppers leading into chests to collect drops.
  7. 7Light up all surrounding areas within 128 blocks to maximize spawn rates.
  8. 8AFK at the collection point, mobs spawn, walk off edges, fall, and die.
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