Pokemon Diamond Discussion
After beating the E4, you need to get the National Dex so you can catch the *better* legendaries (Heteran, Cressilia, Regigias, and Girtana). Then just try to complete your National Dex, and do whatever you did in the other pokemon games that you beat.
* Up to 400 new and updated trainers monthly
* Manage and update trainers through one app
* Request which games get new trainers
* Priority support with any problem