You take Arceus to the Ruins of Alph, the event will trigger from there and you will be instructed on what to do.
To get Arceus in Heart Gold in the first place, it must be traded from Diamond, Pearl or Platinum.
No, the movie Arceus that has been distributed in Japan is not the only Arceus that will work for the Heart Gold and Soul Silver Arceus event. That Arceus was special, because of the fact it unlocked a special Pichu event in Heart Gold and Soul Silver. Any Arceus will work for the event in which you can get a Level 1 Dialga, Palkia, or Giratina in Pokemon Heart Gold and Soul Silver.
You can't. You can get him only through an event.
trade it from diamond from a cheat or a special event...
no it can have any moves
There is one event and you have to have an arceus but you can only get one of them and they are level 1. It is the Arceus Event.
You must get it from in a event from wi-fi unless you have an action replay.
There is currently no Arceus event for Heart Gold, but there was an event for DPP where you could obtain Arceus to level 100 with the moves Spacial Rend, Roar of Time, Shadow Force, and Judgment. Currently that is the only way to legally obtain Arceus.
Arceus is not obtainable in the Heart Gold and Soul Silver games.
no way... But in the Arceus event on Heart Gold or Soul Silver
In Pokémon HeartGold and SoulSilver, Arceus is an event however bringing an event Arceus into the game will unlock something special in the game.
Arceus awakens the Pokemon you Choose, Palkia, Dialga or Giratina. The egg hatches during the event, and that Pokemon joins your party. It is Lv. 1.
You can't catch Arceus in Pokemon heart gold. You must bet it from Pearl, Daimond, or Platinum.