Before attempting to build or trigger the trap for the achievement, you must collect the necessary redstone components. Ensure you have these exact items in your inventory:
The achievement pop-up will appear on your screen the moment the trapped mob perishes.
This layout is intentionally simple and adaptable—scale up or add dispensers, lava, or water traps if you prefer more lethal or elaborate designs. lovely craft piston trap achievement guide verified
Ensure the wall pistons are Sticky Pistons . Standard pistons will leave the walls permanently closed after one use, which often invalidates the achievement loop.
Troubleshooting
Place two Sticky Pistons facing inward on the left side of the trench, stacked two blocks high. Mirror this placement on the right side. The gap between the extended piston heads should be exactly one block wide—this is your kill zone. Step 3: Wiring the Pressure Plates
Final verification steps
The achievement is a great introduction to basic Redstone logic. By using the upward-piston method, you create a fail-proof cage that is guaranteed to satisfy the game's requirements.