Falling isn't so bad. It's the landing that hurts. When you put on a spacesuit it is vitally important not to forget the helmet. It is said that the opposite of noise is silence. This isn't true.
Silence is only the absence of noise.
It's not very good manners to sacrifice a friend. Killing unconscious people isn't right. Magic never dies. It merely fades away. Eight is a number of some considerable occult significance and must never, ever, be spoken by a wizard.