"Like a dreadful feedback loop," Palamedes observes grimly. "I suppose I don't have to tell you that revenants can be quite unstable. Most people who practice spirit magic in the Empire would say that they are inherently unstable, though I have reason to believe it's not as simple as that." He had, after all, constructed an entire plan on the assumption that he would never become a troublesome kind of ghost. "But the fact remains that most are."