Okay. O-kay. "...Okay." That's...weird and not entirely helpful, but better than having to deal with awkward stomach-flopping whenever an old name mighta came up. Playing pretend codenames might not work with someone who's probably older than them.

"Don't know what the Dark World is. Don't think anyone I know said anything 'bout it, anyways. There's fountains--in a huge garden--here, but that's just for decorations and drinking."

Well, not really for drinking, but that's never stopped them.

"There's lots of us from worlds with monsters in them, though. Um...are Toriel an' Asgore--how are they?" Maybe knowing if they're on friendly terms or very much not will give them a clue onto circumstances. Or if...they're alive.