you go to sunny shore city to battle Volkner. to get there you must go to the entrance of lake valor, then go to the resort, and take a left to a small pathway full of trainers, keep going left then your there
you go through Mt. Cornett with strength and rock smash and surf
After beating Cyrus on Mt. Coronet, surf to the caverns on the the three lakes. You can catch Uxie and Azelf here. When you meet Mesprit, it will flee. You will then have to run all around Sinnoh to catch it, and it will move if you fly. Hope that helps. the credit goes to maegirl77
once you go through mt coronet's summit (beating galactic's boss and catching the legendary) go to sunyshore city, via route 22
Top of Mt Coronet? It's all in what he's said.
beat Candice, defeat Cyrus in vielstone then go to mt. coronet in diamond only
you go to mt cornet
go to top of mt coronet (hope you got master ball!!!!!!!)
you go to the oroburg entrince to mt cornet and use rck clime
go to the spear pillar
Beat him in galactic HQ.-
you can get one from Cyrus when you first go to Mt. Coronet
Walk right up to it. You might have to press a.
you have to go to mt cornet and there is palkia and Cyrus
you go through Mt. Cornett with strength and rock smash and surf
You can't get it on pearl but you can get it in HGSS and diamond. For diamond, top of mt. cornett, for HGSS you have to have and arceus
mt. cornet
after beating them on top of mt. chimy, go to mt. pyre and talk to the old lady, she'll give it to you