Having never personally met a homunculus before, he's fine with deferring to this guy's knowledge on the subject and just nods. Right, okay, mentally striking homunculus off the list of possible things he is.

He focuses on the question, deciding to be straightforward about it. No point in beating around the bush. "It's a shared dream across a bunch of multiverses," he explains. "That's all I know. Something's probably eating our life energy while we're all asleep, or something."