An apostate? Noah had already heard of this term from Belphegor before, but he had no idea what it meant to the demons. He didn't have to ask since Belphegor could hear his loud thoughts. With a sigh, Belphegor continued to speak, "Apostates could be called former 'believers', but they were more than that. They were servants of God before they denounced their faith one way or another.
"Let's take your beloved Luca for example. In any case that he wasn't an earl to begin with, when he took the King's power, he had denounced his faith. That would make him an apostate." Belphegor used Luca instead to keep Noah's interest in the subject. "Apostates are not exclusive to humans; even seraphims—the highest of the angels—could denounce their service and become demons.