Yes, But you must have Pokemon of a very high level.
First you have to catch kyogre and trade groudon to heartgold then go to the embedded tower and there is rayquaza
Once you get Kyogre and Groudon, you can go to Mr. Pokemon and he'll give you the Jade Orb and go to Embedded Tower and Rayquaza would be there.
you catch the hoenn legnds kygore groudon and rayqaza
You cannot. You need to trade
You have to transfer from GBA via Pal Park.
no just go to him but i am talking about Pokemon emerald
u must first catch groudon then get a kyogre from heartgold ONLY then bring them in your party 2 prof. oak then go 2 the same cave
You can't catch Rotom in heartgold.
you cant catch him in heartgold you can only get him in soulsilver
In HeartGold you can catch Kyogre.
You can only catch Vulpix in SoulSilver, not in HeartGold. You can catch it on route 36 and route 37.
No