You can get Latias and Kyogre in HG and You can get Latios and Groudon in SS. In HG Ho-Oh is at level 45 and Lugia at level 70. In SS Lugia is at level 45 and Ho-Oh is at level 70.
heartgold but you can get vulpix in soulsilver
HeartGold and SoulSilver are DS remakes of Gameboy versions Gold and Silver.
you can't get to any of the Sevi island in Pokemon Heartgold and soul silver
No, not yet anyway.
There is latios and groudon.
no heartgold is kyogre
go to walmart
you cant but you can trade it from Pokemon soul silver
Heart gold and Soul silver is better because most of the Pokemon in Black and white you don't know if there good or bad,but in Heart gold and Soul silver we all know Lugia and Ho-oh.
Arceas has to be caught in Pokemon diamond, pearl, or platinum, then traded to Soul-Silver and HeartGold.
Pokemon Heartgold and Soul Silver are currently available, if you cannot find it I recommend you buy it online.
Pokemon Heartgold.