Mesonoxian/guide

Engine
Interact with the top-right signpost. Go down and right, following the wall with the arrow on it. Go into the repair station and talk to the mechanic.

Occult
(Engine or Box Effect is required).

Interact with the bottom-right signpost. Make your way slightly south-west and enter the trap door. Enter the doorway above you. Go down the stairs and enter the door furthest to the right. Enter the door behind the counter.

Use either the Engine or the Box effect to get past the chaser and enter the double doors. Interact with the NPC behind the desk.

Vision
Interact with the bottom-right signpost. Make your way south-west until you find the room with rabbits pictured. Enter the door behind the rabbit. Interact with the large rabbit.

U-Turn
(Vision Effect is needed).

Interact with the top-right signpost. Go south and down the narrow path.Go north onto the road surrounded by fences. Go left on the fenced road until the screen changes. Go south off the road and enter the cave. Go left and enter the double doors.

In the museum, go right then down. Equip the Vision effect and enter the door that appears. Go down the stairs and enter the door. Enter the door furthest to the right. Interact with the round glass case.

Box
Interact with the bottom-left signpost. Enter the double doors on the left. Go down. Go north-west and interact with the tiny door. Go right and interact with the door. Go north and up into the forest. Go left then follow the path that splits north. Interact with the box.