And they don't have to worry with any follow up observations? It is as simple as a spell and you are on your merry way?
If I'd have known she was the one to ask, I'd have made use of her knowledge when she was here last. I've been curious about the ways of your society ever since we arrived here and I began to understand that there was differences between the two. I can accept hiding from those without magic, to a degree, but your healers must have come up with ways to cure diseases that we're still trying to overcome. Why not find a way to mask the findings and share the information, solely for the sake of saving lives? Theoretically, of course.