She nods; she'd half made her mind up about this already.

"I think you're right. If it's not the wall itself, then it's something on the other side of it, maybe." Aloy frowns a little, looking at the wall, and she checks it with her Focus, the ring of blue light briefly appearing over her ear; at this distance, there isn't much she can tell, but it does seem to be honestly electricified.

"Only one way to find out," she says. "I'm going to try to get closer." Whether he does or not is up to him.