In order to get the jade orb you must first talk to mister Pokemon and get the blue orb and catch kyogre in the embedded tower , then trade for a groudon (from the embedded tower to) , go talk to mister Pokemon ( Again) and he will give you the jade orb , got to the embedded tower (FOR THE SECOND TIME) and there will be rayquaza , he is level 70 so be ready.
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In heart gold after catching Kyogre you will have the Blue orb. Get someone to trade you a groudon only then you can get the jade orb and catch raquazza
in heartgold/soulsilver you go to the embedded tower after you get the jade orb
You have to have Kyogre and Groudon in your party with you in Pokémon HeartGold and then you have to go see Professor Oak while you have them with you. If both Kyogre and Groudon have been caught in the Embedded Tower then Professor Oak will give you the Green Orb aka the Jade Orb.
You have to have both Kyogre and Groudon. You get the Red Orb from Mr. Pokemon to catch Groudon in the Embedded Tower. In addition, the Groudon has to be from SoulSilver and the Kyogre must be from HeartGold. Show them to Professor Oak for the Jade Orb to awaken Rayquayza.
Yes, Groudon needs to come from SoulSilver in order for you to get the Jade Orb from Professor Oak in his lab in Pallet Town. The Jade Orb will awaken Rayquaza in the Embedded Tower which is by Cianwood City.