'A what we're in?' A dream, he'd said? Zaphkiel... doesn't even know what that is. Technical terminology? Well, this guy is higher up than Zaphkiel, maybe a dream is some new trick of the Almighty's, some way of... imparting His vision to the ranks? Something like that?

He's starting to feel faintly nervous on top of his bewilderment. Not that he's done anything wrong, but there are... a few of his friends who might be considered radical thinkers, and here's this principality throwing around terms he's never heard of and claiming to know him; well, it's a little unnerving.

'Well, Aziraphale, I'm Zaphkiel. And look, uh, no offence, but one principality's about the same as the next at my level, yeah? But I'm... pretty sure we don't.'