in a cave at the town after sootoplis
After you beat the elite four, you go to the weather institute and talk to the man on the second floor. He will tell you where you can find kyogre and after you catch him go back to the weather institute and talk to that same man this time he will tell you where groudon is.
You don't.
you cant get regigigas on Pokemon emerald its to ew of a Pokemon
trade from leafgreen or firered
from boos and from mali
this is impossible!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
There was never any Pokemon events for emereald.
in route 111,114,120 it is common their
Cutter's House in Rustboro
There is no cheat to obtain Kyogre in Pokemon Ruby. To obtain Kyogre and Pokemon Ruby, one must trade with a trainer that has obtained Kyogre in Pokemon Sapphire or Emerald.
It is given to you by a fisherman on Dewford.
Get it in the contest hall in slateport city.