[She has to keep herself from staring at him. It's cruel, she thinks, to keep dangling life in front of Kankri in this way. Hasn't this dratted castle ever heard of respect for the dead?]

The castle has seemed restless of late..

[That is, if its antics are anything to go by.]

But I'm not sure if the restlessness of the ghosts is a cause or a symptom.