"Earth, huh." Earth had its fair share of mysteries, people, races, and creatures lost to time. Fomorians he remembers came in all types of forms, then there was the fair folk— and those are just of his lands, a small part he was familiar with. So ironically, yeah, he could buy this man being from Earth. Somewhere in far past or future, and probably different hemisphere.

"Guess our place of origin is similar then." On the planetary scale at least "Probably not the time, though. This kind of gear wasn't in fashion yet." It's very casual, but he wonders still.