Then, at the very least, it will be useful to you.

[ He points as dramatically as he can to the man's face. ] If one person benefits from what is learned, what has been learned is not a waste! [ Such is his motto. ] The study would be if exchanging mana could heal wounds. I suppose the idea would be to start with something small and see at what point that medicine would be required.

[ A wave of his hand. ] As I told you, I am a doctor. I would never let a magnificent creature like yourself die. [ Especially since the body would not be of use to him anymore. ]