Harry Potter and the Fifth Element.

Wherein Harry broods about his life on the car ride home, reaches a truce with his relatives, gets angry and almost harms Hedwig, exchanges mutual apologies with Dudley, writes a demand letter to Dumbledore, becomes friendly with Dudley, corresponds with Ron, gets his own clothes, begins working out at Dudley's gym, meets a mysterious karate teacher, begins to learn wandless, silent magic, and learns a little about his cousin.
This story is based on characters and situations created and owned by JK Rowling, various publishers including but not limited to Bloomsbury Books, Scholastic Books and Raincoast Books, and Warner Bros., Inc. No money is being made and no copyright or trademark infringement is intended.

Author's Notes: The second of a series of revised chapters, reflecting new canon from HPB where compatible with the story - and only where compatible.