Daniil does continue up the staircase as he speaks, with a bit of effort. Though he tries to show none of this as he does.

"Are you alright?" He asks, and it is of genuine concern. Dankovsky is taking a different approach to the marshes, and hasn't left the town much at all. Still, his concern seems genuine. Drat, he thought Celehar was just avoiding him, but in the end, he was just being arrogant and self centered... Damnit, not everything is about you, Daniil.