You decide you're gonna try to surprise this guy if possible, and maybe get an advantage over him. You have the books handy, he can't be that hard to beat if you quickly cast a spell on him. Anyway, he's not the boss of you and you're gonna show him. You sneak around to the back of the mansion, constantly checking if no one has seen you. Without any noise, you manage to close the back door behind you and you progress further into the house. Pushing the door to the next room open, you see a figure standing there who is probably the person responsible for this, and he has his back turned to you. You're about to speak a spell to take him out, when you suddenly notice something behind you. You turn around and only catch a faint blur of a creature leaping at you before you get knocked out by it, and all goes dark.
When you regain consciousness, you notice your hands and feet are impossible to move, or even get into an upright position. Your vision finally recovers and you see your hands and feet are tied, you are naked and placed on your knees with your hands on your back, in front of the person you sought to transform. "We could've done this much easier, you know, you could've just surrendered them to me", he starts, "but it seems your impudence got the better of you. It seems you need to learn respect for your superiors, as the lack of it obviously gets you in trouble. Now, I wonder what would be the best form for you to learn such submission..."