For one single second, it seems like everything's okay.

And then she shudders, and shudders again, and his hands drop to her biceps to hang on tight — ready to catch her if she drops, unfiltered concern plain as day on his face. He doesn't even hear the blade he'd been carrying hit the stone floor.

"Hey hey hey-" Followed immediately by a look shot at Geralt, not accusatory but rather confused, urgent. "What's wrong with her?"

Full through with the assumption that Geralt's been looking out for her, if something happened he'd know.