After beating the Elite four, go to the Weather Institute and talk to the man who gave you Castform.
He will talk about a current drought or rainstorm on a certain route in Hoenn.
Go to that route and search for a cave that wasn't there before.
Kyogre will be in the Marine cave, and Groudon will be in the Terra cave.
They are both Lv. 70.
You can't: you can only get it in a trade from a person with either Pokemon sapphire version or emerald version.
The three legendary Pokemon in Pokemon emerald is Kyorge, Groundon and Rayquazer.
the red orb gives you the chance to catch groudon and the blue orb gives you the chance to catch kyorge.
kyorge
You simply cannot. When you catch Groudon, Prof. Oak will tell you you cannot catch both Pokemon on your own.
to get a kyorge in soul silver you have to trade with some one how has kyorge in Pokemon heart gold after you show prof. oak both kyorge and groundon he will give you a jade orb to catch rayqauaza!
Yes, You can catch Groudon in Pokemon Emerald.
You can't catch one in Pokemon Emerald.
No you cannot catch Entei in Pokemon Emerald.
You can't catch a Bellsprot in Pokemon Emerald. You trade it from Pokemon Leafgreen!
There are many Pokemon you catch that are similar in sapphire and emerald but there are many Pokemon emerald can only get and not sapphire.
You can't catch or obtain other trainers Pokemon in emerald.