"Irreversible as far as we can tell at present," Topher answers with a nod. "To say it's not dependable is sort of like saying..." He trails of, gesturing circularly for a few moments, trying to find the right comparison. "I dunno, it's not at all dependable is my point. In fact, it's kind of way more likely to depend on it chewing you up and spitting you out in a coma, or dead, or worse. That's what usually happens."