The legendary Pokémon that are obtainable in HeartGold and SoulSilver are Articuno, Zapdos, Moltres, Mewtwo, Raikou, Entei, Suicune, Lugia, Ho-Oh, Latias, Latios, Kyogre, Groudon, Rayquaza and an option of Dialga, Palkia or Giratina.
No you cannot.It is obtainable to catch in Heartgold/Soulsilver.
Shinto Ruins is only obtainable if you have an Arceus.
I don't think you really can. But in heartgold and soulsilver you will see vortexs in that game but no legendaries in them.
The cool legendaries you can get in Soulsilver/heartgold are the following: Lugia, Ho-oh, Raikou, Entei, Suicune, Articuno, Moltres, Zapdos, Mewtwo, Latias, Latios (Latios in Soulsilver & Latias in Heartgold), Kyogre, Groudon, Rayquaza (Kyogre in Heartgold, Groudon in Soulsilver & Rayquaza if you have both).
More legendaries like Pokemon Heartgold and Soulsilver.
You don't. Zorua and Zoroark are 5th generation Pokemon only obtainable in Black/White.
You can't. You have to get Pokemon SoulSilver if you would like the red orb or trade with a friend. The red orb is only obtainable in Pokemon SoulSilver.
the legendaries that are automatically in the game without events are as follows...HGenteiraikousuicuneho-ohlugiamewtwoarticunozapdosmoltresand kyogreSSenteiraikousuicunelugiaho-ohmewtwoarticunozapdosmoltresand groudon
You cannot get a Mew. Mew is a Pokemon only obtainable by events. Since there were no Mew events for HeartGold or SoulSilver, you cannot get one for your game. However, you can get a mewtwo in Cerulean cave after completing the game.
Yes, I Think You Can! You need to trade a ditto from a heartgold or soulsilver. Or, you can go to palpark and migrate a ditto from silver or gold!
Kingdra is obtained by trading a Seadra holding the item Dragon Scale. It is currently not obtainable by catching in the wild in any game.
No, you can't get all of the Legendaries in Pokémon HeartGold although you could trade all of the Legendaries in.