She doesn't mention specific symptoms he'd expect, but being out of sorts covers most of the basics. What she recounts is unsettling enough not to ask his usual follow up questions; placing her in a year and location to keep track of the timeline. If people are beginning to show up at random locations, it's going to be that much harder to track his family down.

Why push her into the lake? He still doesn't know the process they use to convert someone, or whatever the term is, to a member of the undead. If they wanted to kill her, they could have done that outright. Did Anurr's people assume she was aligned with Unhalad? And if so...

"I don't get it. You don't fit the pattern." He seems more perturbed by that than he is empathetic, but these have been a frustrating two months. More questions to ask the captive from the forest while he has the chance. "They knew where to find you and they knew why you were here. You said Karsa found you, did you see her with them?"