After you beat the elite 4 and get the national pokedex, go to prof oak in pallet and he will give you a Kanto starter. Then Mr. Pokemon will give you an orb (Red in SS and Blue in HG). If you take that orb to the Embedded tower, south of safari zone, you will fight one of the R/S mascots (red - Groudon, Blue - Kyogre) If you catch it, then import the other one from the opposite game you can take them to Mr. Pokemon (MUST be a Groudon caught in SS and a Kyogre caught in HG to work) and he will give you the jade orb. take the jade orb to the embedded tower to fight/catch rayquaza.
You have to get Groudon and Kyogre and go to Mr. Pokemon and he'll give you the Jade Orb.
You get it from mr Pokemon after you beat the game. You must have HeartGold to get the blue orb because SoulSilver will give you the red orb.
After you beat the champion, go to Mr. Pokemon and he will give you either a Red Orb or a Blue Orb depending on which game you have. Also, when you get both Groudon and Kyogre on one HG or SS, you can get Rayquaza.
After you beat Red, go to Mr. Pokemon and he will give it to you!
If you beat trainer red go to Mr Pokemon's house and he will give you a red orb.
You first have to beat Red. Then talk to Mr. Pokemon and he will congratulate you and give the blue orb. nekokaru: you can olny get the red orb on Pokemon soul silver.... you get the blue orb on heart gold
in pokemon heartgold after you beat red and get your 2 starters you go to mr. pokemon and he'll give you the blue orb to kyorgre
You get the red orb after you defeat Red on top of Mt. Silver. Talk to Mr. Pokemon and he will promptly give you the orb.
You have to beat Red then go to Mr. Pokemon's house then he will give it to you.
You'll need to have the Blue Orb and the Red Orb, take them to Mr. Pokemon and he'll give you a Jade Orb. Place the Jade Orb back to the Embedded Tower and then Rayquaza will appear.
You get the blue orb after you defeat Red at Mt. Silver and get the Kanto Starter Pokemon From Professor Oak. You then go talk to Mr. Pokemon and he will give you it.from mr Pokemon after u defeat redYou can get the Blue Orb from Mr. Pokemon after you've received the National Pokedex and gotten a starter Kanto Pokemon from Professor Oak.
After getting the earth badge go to mr. Pokemon and he will give you a red orb if you talk to him. what you do with it later is unknown to me.