Huh?! I thought those were just, like, costumes or something.

[ Natsu's observational skills at their finest...maybe with just a touch of denial. If they're really skeletons, then maybe at least they can be friendly? Unless the reason this kid is trying to figure this out is because he has to appease them or something...spooky. ]

Then, uh, I dunno. I've never met a skeleton before. [ He ponders the idea for a few seconds. ] D'ya think they use magic?