His eyes have grown at least somewhat accustomed to the dark, at this point, so while it's still impossible to make out most people and things, he can track shadows well enough to not trip or run into a wall. Still, he sticks close to her, not knowing how he'd find her again if he lost her, at least not without drawing attention to himself.

The stairwell is small and serviceable, and clearly doesn't see much use. In other words, it's perfect.

"I will want to talk about it, you know," he says conversationally as he begins to descend. "What you've been through, here. Just at a more appropriate moment."