[He doesn't answer Thoma's first question. Childe knows that the sky above their heads indeed isn't the same as Teyvat's, and he can't tell him why. That's a whole can of worms that no one should know who doesn't need to know, continuing on and happy that the housekeeper has chosen to inquire further about the potential fish, shooting his friend a warm smile backward.]

I'm not sure, but I definitely hope so. Back in Snezhnaya, the fish that lurk off the coast would probably be big enough to fill the lake we're going to. I'd say maybe...three or four of them might fit.

Maybe.

[There isn't a single trace that can be found on his face that he thinks he's exaggerating here. The fish are absolutely huge in Snezhnaya...]