Hogwarts: Comprehension against the sky, the source of magic

Travel to the world of Harry Potter and become Harry's cousin Dudley.
Fortunately, your savvy is against the sky, and you can call the wind and rain in the magic world.
Dumbledore was shocked, and Voldemort had a psychological shadow on you.
[You come into contact with other wizards, and you have a special physique to comprehend the origin of magic, and all magic cannot do great damage to you. 】
【You suffered the Unforgivable Curse, you comprehended its principle, and learned the Unforgiva...