Asking me that question is a blatant violation of the rules of transfiguration!
But here’s what I remember from Chapter 15
“Is it possible to Transfigure a living subject into a target that is static, such as a coin—no, excuse me, I’m terribly sorry, let’s just say a steel ball.”
Professor McGonagall shook her head. “Mr. Potter, even inanimate objects undergo small internal changes over time. There would be no visible changes to your body afterwards, and for the first minute, you would notice nothing wrong. But in an hour you would be sick, and in a day you would be dead.”
Asking me that question is a blatant violation of the rules of transfiguration!
But here’s what I remember from Chapter 15