Inigo laughs - though with a tad of awkwardness in it, because he's not too sure how serious Zetta is about that. He's probably serious, but then again.. it's not like it's actually going to happen from what he's saying.

"Good thing it doesn't then. I don't really like the idea of living in some Netherworld." He pauses, seems to realise something, and then quickly adds-- "Erm.. no offense, I guess? Although I imagine you'd want the Netherworld to be unappealing, considering the name."