An inter-dimensional war is about as ridiculous as anything else in this place. Or back home. Where he still isn't sure how to say 'oh, you know, just was in a group that basically killed a bunch of vampires with life force energy, the normal' without sounding like an absolute lunatic. Not that he was doing any part of that and was more of a moral support than anything else.

"Duel... Monsters? I cannot say that I have ever heard of such a thing." He's literally from the Victorian era, Tsukikage, was Duel Monsters even a thing back then in your world? Who knows, honestly.

But he's listening intently and taking down every little bit of this that he can, because of course he does, he's absolutely an informational sponge. Always has been and always will be, whether he wants to or not. "Maiami City and on the coast..." Hm, interesting. "And your village?"