Vance was watching her come apart before his very eyes. He got the impression that she wasn't used to people actually engaging her as well as he did. Of course, she wasn't lying about it very well, but he figured there was a reason for that. However, the more he saw her panic, the more his instinct kicked in to soothe her. Then, he placed his hands gently on her shoulders.

"Devika...calm yourself." Vance urged. "Breathe in and out slowly, okay? You're going to be alright. I'm here."

His physical contact with her invoked a magical transfer of information. It was then he knew that she was a witch. At the same time, she knew why he was so attentive. It was the nature of a psychic, which he was.