Place 2 facing downward on the ceiling directly above the chamber. They should be 2 blocks apart.
: Obtain the Gravesite background, a Skeleton shield, and a carved pumpkin hat (crafted from a pumpkin and scissors). Equip the hat on a character that can wear them, reach "climax" during a scene, and their head will automatically change. Halloween Ritual lovely craft piston trap achievement guide full
: Use the Gravesite background and equip a Carved Pumpkin hat on a character. Once the scene reaches its climax, their head will transform. Newest Update Additions (v0.2.x) Place 2 facing downward on the ceiling directly