"This involves several hours of gruesome medical procedures - possible it can be cut down, I was guessing - and constant low-key concentration on something you probably don't know enough biology to concentrate on correctly yet, it will probably need redoing if you fall asleep and definitely need redoing if you stop concentrating correctly while awake," says Cam, handing Miranda back her wand, "it's possible you will find that something is different about the quality or controllability or whatever of your magic, disclaimer disclaimer disclaimer known to the state of California to cause cancer void where prohibited etcetera."