He may do this without any impediment unless he considers the frightened wibbling foot-tall fairy occupying Acid Trap Room to be impeding.

The room Promise recommended is unoccupied, full of musical instruments, and possessed of the commodity of a balcony. From it, he can see the balcony to the Queenly bedroom. He cannot see the gate, because that is not how gates work.

On this balcony there lands a silver-skinned blue-eyed fairy...

"Cease," she commands sternly.