There's a flicker of amusement to break up the bland expression on his face. Sure, 'cool'. Avoiding the details about how aer can kill you, definitely 'cool'...

... This kitten is very loud, and apparently is a shape-changer. Didn't get the right set of vocal cords? Oh well, he's still petting away.

"We don't have them. Firebirds, firebats, yes, named things as phoenixes..." A rustly shoulder hitch of a shrug. "There's an attack that wreathes the user in flame, a little like wings, with phoenix in the title. I didn't want to make an assumption."