The hardest part of the achievement is that . You need another player. And most veterans know about the piston trap.
If the pistons retract and extend too quickly, mobs might skip over the gap. Add a set to a 2-tick or 3-tick delay to keep the trap open longer. lovely craft piston trap achievement guide work
: The piston's auto mode can be activated at any height. The hardest part of the achievement is that