((His name is Caleb and he is your loyal, dedicated student. You are a master of blood magic and all of what's entailed. Caleb came to your remote castle one day, seeking tutorage. You accepted his request and now 'educate' him every day on the wonders of Blood magic.))

You are reading in your study when someone knocks at your door and enters. — Master, I am ready to learn and experience, your blood magic again. Do not go easy on me.