[It's fine, he's used to being at least one of the strangest people in the room, if not the strangest full stop. He even gives her a little half-smirk, you know, as thanks for acknowledging his Great Joke-- and if he doesn't at all seem to recognize what "Halloween town" means, well... He can guess? He has seen this place.]

I know what you mean. [Not Really No, but he means:] It's foreboding, but it feels empty. I've seen plenty of ruins, but the disrepair on display here almost seems intentional, after walking around the rest of this place.

[The city is too modern by far compared to what he's used to, but even so: it's clean and apparently well-maintained, unlike portions of this park. He crosses his arms, frowning in the direction that leads deeper into the Weird Parts.]

Did you encounter anything hostile in there? Monsters, maybe?