[nehan's eye had moved back to venti's face, but then it snaps back to the vision-- not a vision? it looks exactly like one, so it's an intricate piece of glasswork.]

Diluc-- most of what I know comes from him, that Mondstadt's patron is the wind god Barbatos. I'm under the impression that the gods bestow Visions on their people... But yours is a fake? [then nehan pauses, absorbing this information and consolidating it to what he already knows. and then he begins thinking out loud.]

Archons is a new term to me, but it means ruler-- synonymous with god in context. Only they have magic natural to themselves. Which means...

[nehan looks back at venti's face, ears standing straight up. he's figured it out.]