A flicker passed through the Doctor's mind that this was foreign territory. This kind of dimensional crossover and psionic presence obeyed physical laws that he wasn't familiar with... but that maybe Jack was.

Still, he was what he was as much as Balthazar was what he was. The Doctor adapted.

He stepped out of the lift onto the carpeted floor and looked out the windows for only a beat before turning his eyes back to their host.

"Your hospitality is appreciated, Mister Balthazar, but I can't quite dispel the notion that we were expected."