Place a temporary block two blocks above the pressure plate. Attach a solid block to the bottom of that temporary block. Break the temporary block.
Repeatedly force Enderbeads to clip through the Enderwoman's stomach from the outside. Success will cause her to teleport, eventually triggering the secret Backrooms achievement. lovely craft piston trap achievement guide verified
Immediately upon the 5th kill within the 10-second window, the achievement banner will appear. The name references the community in-joke: "It’s not a war crime if it’s lovely engineered." Place a temporary block two blocks above the pressure plate