you catch them at embedded tower to catch raquaza you need groudon from soulsilver
If you are looking for Tyrogue then it is in Mt. Morter, if you are looking for Kyogre then is in the embedded tower. For more info. visit serebii.net
no yo can't find it you have to trade it off another Pokemon game.
black stone
you can get it by getting a pichichu in pearl trade it to heartgold
In Pokemon Heartgold or gold and soulsilver or silver you can find it in viridian forest.
That is impossible in Pokemon HeartGold and SoulSilver.
catch poocheana and zigzagagoose and then they will eat your Pokemon and then you get a free deosyxes and the latios plus jirachi and kyrogue/groudon catch poocheana and zigzagagoose and then they will eat your Pokemon and then you get a free deosyxes and the latios plus jirachi and kyrogue/groudon
There are loads of legendary Pokemon in Sapphire, but if you mean the main one, Kyrogue, then it is the Underwater Cavern.
You can't find registeel in Pokemon HeartGold.
You can find it in Pokemon Platinum, Pokemon Crystal, Pokemon HeartGold, and Pokemon SoulSilver.
unkowns {pokemon}
You cannot find Latios in Pokemon HeartGold unless you went on wi-fi and got the Enigma Stone
There is no such thing.
yes
trade
You can't
Just find them!
You can't do it.