He pauses. It's safe to say that catches his interest. The care with which Charles speaks doesn't escape him, either.

"'Extraordinary,'" he repeats, considering the diction. A benign enough word on its own, but Pietro is quite familiar with its more complicated implications. "As in more than human? What is it they say here – 'xenian'?"

The air-quotes are audible; he sounds less than satisfied with the terminology, as if humans are the only applicable yard stick and everyone else is some kind of homogenous group. It's a useful distinction to start with, however.