Pressure off Dylan | Nancy Drew: Tomb of the Lost Queen

Go to tunnel 1 until the end.
See the blue cat on a mural at the end of the passage. Use the brush to remove the dirt from the mural.

Something is to be placed below the blue cat.
Insert the cat amulet on the indentation. The door opens.

Dylan arrives and goes in first. It is dark in there but he touches something that drops rocks on him.
Click on-remove 6 rocks to ease the pressure on the crushed Dylan. This puzzle is random and has several solutions.