I write this book before it was a prompt. writing prompt- better yet, you don't get a power and have to search for the answer as to why you didn't. Maybe they lied about your age, maybe there's a prophecy about you, etc.
Prompt -- you're the last grandchild to talk privately with your 120 year old grandmother on her death bed. "do you want the good news or the bad news?" she asks, knowing she will only have enough time to explain one secret or the other