[Maybe if he meets Matthew or any of his cohorts, really, he will get a sense for it someday.]

Their souls are simply chosen to live in the Dreaming after they die, and take the shape of a raven if they agree. Matthew was actually chosen by Lucienne to help me in my quest to retrieve my missing items of power. I did not actually want a new messenger at the time.

But my librarian does as she pleases, in her own way. [AND THUS HE GOT A RAVEN]