put sapphire in the GBA slot of your ds then go to heart gold menu and select migrate from sapphire and pick the Pokemon you want to send then go to the pokepal park and do a catching show (it's in Kanto in Fuhsia city)
Kyogre is only available for Pokemon: Sapphire on the GBA. Ho-Oh is the legendary pokemon available to you in HeartGold.
Migrate from Pokemon ruby emerald Sapphire
There is not a weather institute in Pokemon Heartgold, you are thinking of Pokemon ruby, sapphire, and emerald, there is not a weather institute in Pokemon heartgold.
you can migrate from ruby/sapphire or trade.
Pokemon Ruby, Sapphire, Emerald, SoulSilver, HeartGold.
First, you need to migrate your Pokemon in Sapphire to Pokemon Diamond, Pearl, Platinum, HeartGold, or SoulSilver. Then, you need to migrate those Pokemon to Pokemon Black.
trade it from platinum,daimend,pearl,soulsilver,heartgold
you cant you have to transfer it from emerald,sapphire or ruby
Migrate from Emerald, sapphire, ruby, or trade with heartgold and soulsilver
you have to trade him from soul silver or migrate him from Sapphire ruby or emerald.
No. You'll need to trade it from Pokemon Platinum or migrate it from Pokemon Ruby, Sapphire, or Emerald.
You must migrate the Item from ruby emerald or sapphire to evolve nincada