You have to get all eight gym badges
You will need to unlock the National Dex and defeat the Pokemon League to make him move.
No, you can't make new Pokemon on Pokemon diamond...
If you're talking about the guy blocking the path to Sunyshore city in diamond and pearl, you have to defeat Team Galactica at the top of the mountain, beat palkia, etc. After that the guy is gone.
Shaymin does not evolve in Pokemon Diamond.
Do you mean migrate? Make sure you have a Pokemon game boy advanced game in and click migrate on the main page where it says continue on diamond or pearl. But remember, you have to defeat the Pokemon league first. Then you get to talk to professor Oak!
luxuray ball
get pokesav from pokesav.org and make a cheat for pokemon you want in pokemon diamond. ----
no
no im sorry but you can't.
i have Pokemon diamond, and played 600 hours. its not possible. but you can catch a ditto, and make Pokemon eggs.
pokesav.org, make your own pokemon! Works with the AR
no, sorry