He closed his eyes halfway, like a cat, and inclined his head politely.

"I'm pleased to meet such ... esteemed individuals," he said lazily, gaze drifting between the Doctor and Jack, "and I go by Balthazar."

They couldn't have gone more than two floors before the doors slid open again, but the floor-to-ceiling windows boasted a much higher vantage point than what should have been the third level.

"Please ..." Balthazar gestured for them to enter before him. "... enter as guests, with bread and salt between us."

The ritual promise of sanctuary is said mockingly. Sure, it's an ancient agreement, but, well, he is what he is.