You have to trade one from diamond, pearl or platinum but there have been no azure Flute events so far and the only arceus event has been the movie 12 arceus.
the movie 12 arceus is guarenteed non-shiny so the only way is to hack.
yes you can if you have lugia
i am sorry but you cannot obtain arceus in Pokemon heartgold or soulsilver.
pokemon heart gold and soul silver. and heart gold and soul silver legends
Pokemon modifier
Arceus is not in any Pokemon game legally. You can only obtain it by certain events.
You can't get arceus in Pokemon soulsilver unless you trade from another Pokemon game.
You can replay the arceus event with action replay.
If you mean soul silver, it is yet unknown you have to trade the event arceus to it to get giratina, dialga or palkia.
Yes, you can get a shiny Pokemon out of an egg on any game.
you can get arceus cheats
Fight tons of Pokemon or cheat
you need a arceus then go to the ruins of alpha. if you do not have a arceus then your out of luck.