Multiverse: He Who Seeks All Pleasures

Zephyr Potter, the soon dying and magically crippled brother of the girl who lived, decided to free his sister with the help of a mysterious otherworldly entity claiming to be a god. The catch? He had to save the multiverse. A good deal in his book, with the safety of his sister at stake. But soon Zephyr will learn that things rarely go like they are supposed to. --- First world: Harry Potter