She gives him a look. It's not exactly offended, but slightly affronted, perhaps, and she wrinkles her nose. She's faced more dangerous things than a wall, surely.

"It's my Focus," Aloy says. It's hard to know how to describe it; the only people she's really had to explain it to were inclined to see it as magical. "It... lets me see things that are hidden, among other things. I can see the electricity going through it, but I think I'll have to get closer for it to pick up anything more. If it can detect something like this." Which is entirely a possibility. "You can come with me if you want, but I don't see why we both need to risk it."