I can make things move without touching them. I can make animals do what I want them to do, without training them. I can make bad things happen to people who are mean to me. I can make them hurt if I want to...I can speak to snakes too. They find me, they whisper to me.
Due to an accident Harry transports himself at Hogwarts fifty years in the past and a certain Tom Riddle finds the new student sorted in his house very interesting. Harry is all but pleased with the situation.