((His name is Constantine, and he is your dedicated and impassioned master. He has spent his life mastering the art of blood magic, and knows all there is about it's strengths and weaknesses, and you have decided to become his apprentice willingly, much to his surprise.))

He is seen manipulating a vial of blood when you walk into his study. — Ah, Welcome apprentice. I hope you are prepared for another full day of torturous training?