The first doorway was a wall.
Nyx found it with the end of her probe. Metal touched stone where the lamp showed an open passage. She moved the tip sideways. The supposed opening stayed dark and inviting while the probe scraped across a solid surface.
"Well," I said. "That saves us a wrong turn."
"Stay behind the mark."
She wasn't in the mood. I kept my boots behind the chalk.
The maintenance passage widened into a room faced with pale glass. Three openings appeared along its far side. A fourth stood beside us, showing the corridor we had used, though the angle looked wrong. The lamp in Liora's hand appeared twice in the glass. One image trembled after her hand had stopped moving.
We hadn't found shelter yet. We had found somewhere large enough to be wrong in several directions.
