 Kate managed to overpower the marquis by releasing the demon Marchosias, but in the ensuing carnage the book was lost and Roger's fate was sealed.As of the end of "The Universal Machine", Roger's body remained destroyed.When Johann Krauss communicates with Roger's spirit and asks him why he has not "gone on," Roger explains that because he is not human, there is no place for his spirit to go, so it simply remains within his body.