Only if you have a r4 or a action relply ok>
clone your two best Pokemon
Catch trainer Pokemon
go to Pokemon league
You can with the action replay Pokemon modifier cheat.
Action Replay Wich is a cheat Or keep doing the pokemon league
you can't unless you trade or,mabye use a cheat.
Empty space known as the Mystery Zone. It is impossible to get behind the Leauge, unless you cheat.
on the left of the Pokemon league but you need a event item or cheat and you have to go through the flower path and shaymin is lv. 30.
If you have a r4 with Pokemon diamond on it click on cheat y look walk anywhere then walk through all the walls
Well, you can get a Gameshark and use that. But if you don't want to cheat, I suggest using the Vs. Seeker on tough trainers or defeating the Pokemon League and Pokemon in the Victory road.
there is no cheat
get a cheat code for 1000 999 rare Candy's, and give all your Pokemon them until they are level 100. works everytime!