...Moon doesn't think she believes him about not going through walls.

"Different dimensions are different," she intones.

From not so far away, a noise echoes through the handful of open (and broken) windows.

"There's my friend."

Something splinters behind the clouds; Moon turns away and jogs out to find out what broke.

A door. Nebbie forgot themselves and slapped it down with the metallic scythe on their wings, and they're staring down at it, surprise in their eyes and the whirling stars in the dome of their head.