You need to trade it form Sapphire or Emerald.
Groudon, Kyogre from sapphire, Rayquaza, Mewtwo from firered or leafgreen, Zapdos and Articuno again from firered and leafgreen.
you can't the only way to get him is on Pokemon firered and leafgreen or Pokemon colloseum
Both are not in leafgreen or firered.
The best water type would be Kyogre but you can't get it in leafgreen you need to get one from sapphire or emerald other than that the best water Pokemon is blastoise.
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.
You can't get Kyogre in Pokemon Ruby but you can get Kyogre in Pokemon emerald and sapphire and in ruby you only get groudon and rayquaza. In sapphire you get Kyogre and rayquaza and in emerald you can get groudon, Kyogre, and Rayquaza.
Yes you can trade leafgreen version Pokemon to another leafgreen version.
You must trade it from a Pokemon game that has kyogre
There is no city called Kyogre he is a legendarie pokemon.
kYOGRE AND GROUDON ARE IN POKEMON MOVIE UR MOTHER
groudon,kyogre and rayquaza groudon,kyogre and rayquaza
Groudon and Kyogre are unavailable on Pokemon Ranger.