[The foreign words catch him off-guard, and even moreso when they're directed right at him. Eorzean?]

Um... No, I'm— [British, he wants to say, but stops himself. Not knowing enough about this world and their circumstances, it was probably better to keep his identity a secret. ...even if it sounds like she might be from someplace else all together.] I cannot say, but that word is entirely unfamiliar to me, I'm afraid.

And what do you mean by "aether-scarred"?

[The concept of ether did exist where he was from... but it wasn't something that ordinary people would be involved with.]