List of things to do after defeating Elite Four:
- Go to routes/places previously unaccessable (ex: Marvelous Bridge)
- Battle in the PWT
- Battle via Nintendo WFC
- Clear the Black Tower/Hollow Tree
- See every Unova Pokemon to get a License to go to the Nature Preserve
- Breed Pokemons
- Capture new Pokemons
- find all key item/TMs/HMs
