i remember my mom and dad and i were in my dads car listing to music when i heard a green day song come on (wake me up when september ends) and after like 5 seconds i asked: is this green day? and i guessed correctly cause im magical!
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.