After you beat the Elite Four, go to the weather center upstairs and talk to the guy standing next to the computer all the way to the left. He will tell you about the route between Rustboro and Venduraf. Go inside the cave between those cities. when you are at Venderaf's end of the cave (near the entrance) and go tothe left and you will see another exit. Go through it and you will see a guy with black hair trying to find his glasses. I don't know where the glasses are, and you don't need to find them. go up the stairs to the north and go through the entrance there. Go to the end of that cave and then you'll find that legendary fire-ground pokemon. You can catch it with a master ball. Then go back to the weather center, talk to the guy again, go to the sea route he mentioned, and find a dark spot that's not usually there and dive in it. Keep going until you find an entrance and go up once you're in it. You'll find an underwater cavern/cave. Go to the end of it (there's no puzzles) and you will find Kyogre. Catch it with a master ball. Hope I helped. :)
You have to defeat the Elite 4.
Once you do, there will be a new dive spot that's made on either Route 105, 125, 127, or 129.
To find out where the dive spot is, talk to the man at the Weather Institute, the same one whom gave you the Castform after beating Team Aqua, and he'll tell you where the dive spot will be located.
The moment you find the dive spot, Dive under and make your way to the top.
As you reach the shoreline, head straight. The cave is small and doesn't hold any items, but Kyogre will be there regardless.
you can't catch kyogre on ruby but you can trade it from emerald or sapphire.you can also hack your game.if you trade, i suggest you trade it from emerald because when you catch kyogre in emerald it will be level 70 so you should trade it from emerald to ruby.
You have to beat the Elite Four. Then go to the weather institute. Talk the the guy on the top floor all the way to the left. He will say there is some odd weather somewhere. If he says theres a drought that route has groudon. If he says its raining then thst route has kyogre.
You can't. You can only get it if you hack the rom.
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you can catch him easy but first you have to do some things beat red. the hardest guy i have ever battled then get your Pokemon from pro. oak[i got squirtle]then go and talk to mr. Pokemon he will give you a orb then talk to pro. oak he will tell you about the legend of the tower of something its NOT IMPORTANT then go to cianwood city and head toward the safari zone now i think i forgot something when you enter the cave to the west of cianwood city use rockclimb and yo wil get something go back up use the next cave entrance go in go down the ladder surf to the west and you will find a cave entrance you should probobly get some dusk balls that's what i caught mine in it take like 20 get kyogre in the red and start throwing pokeballs and hers a tip hold down r and l and press a repeatedly hope this heps
Ask the weather man at he institute and he will tell you there is strange weather at a certain place, go there and then catch them i recommend stunning it and then a ultra ball -good luck~
Go to lake valor and use the old rod
not much only in sapphire you can only catch kyogre and in emerald you can catch both kyogre and groudon.
you cant
You don't
You cannot catch Kyogre native in Pokemon Diamond. You must import the mighty Kyogre from Emerald or Sapphire using Pal Park.
Get one from sapphire or emerald.
Yes, you can!
I do not know if you can catch Kyogre in Emerald but if you could, Kyogre will be in the Cave of Orgin at Sootopolis City. ;) ANSWER At marine cave, but I dont know how to get there
no
You have to catch Kyogre and Groudon.
yes yes you do
yes after beating the elite 4 you can catch both him and groudon.
you have to catch or kill kyogre