If you want to find regirock or anything that is regi you would need to migrate them.
If you want to migrate them you need Pokemon rubi, Sapphire, or emerald then complete the national pokedex. once you complete it, the game you will have a choice on who you want to migrate. when done go back to Pokemon diamond then go to pal park and you can get regirock. GOOD LUCK!
you have to get him from pal park
You can only get Regirock by transferring a Regirock from Pokemon Ruby, Saphire, or Emerald to the Pal Park I believe.
Migrate it over from your Emerald game to Pal Park.
you can gain regirock by getting the national pokedex the going to pal park then transferring it from Pokemon ruby or emerald then cath it
you import it from em/ruby/saph and catch it in pal park
you go to the pal park or you trde a very good Pokemon to someone else
go to either pal park or regigigas places with regigas
You have to get it in Pal Park from R/S/E.
You have to transfer them from Pokemon emerald into the pal park. Then catch them in the pal park. And don't worry you'll have a 100% chance of catching them since they're your own Pokemon. Hope this helps.
Yes, you can trade for it or you can mirage it into the Pal Park from the GBA Pokemon games.
I guess that is meant to be be asking how you get regirock on diamond? you need to have seen all the sinnoh pokemon, then you will get the national dex off prof rowan at his house, you can then put regirock from sapphire ruby or emerald in pal park by the immigrate option, you may need to got to pal park first before that option is available though its at the end of the water route below sandgem.
you cant only migrating them and catching them in pal park ruby sapphire emerald and maby more