You can't catch Arceus. You can only catch Arceus in Pokemon Platinum.
Event Pokemon or Action Replay
The only way to catch Arceus in Pokemon Platinum is by using the Azure Flute or cheating. The Azure Flute is an event item that sadly was never distributed. This means the only way to catch Arceus is by cheating.
arceus
Arceus or Spiritomb. It depends on who your going to fight.
vulpix is not in Pokemon platinum version.
You can catch Arceus in Pokemon Platinum Version, but only by obtaining it through a Nintendo event, unless a Gameshark or Action Replay is involved. Legitimately, the event gives you an Azure Flute when you talk to the green person next to a Pokemart in any town, and when the flute is used at Spear Pillar you can fight and catch Arceus.
You can't catch Arceus in Pokemon heart gold. You must bet it from Pearl, Daimond, or Platinum.
Arceus is not an available Pokemon in Pokemon Sapphire. Arcues is only available to Pokemon Diamond, Pearl, and Platinum via an event.
There is no event where you can catch Arceus, you just interact him in the Hall of Origin, but you need to blow on the Azure Flute
the flute is the azure flute
if you want to catch arceus you can,t but if you get Pokemon arceus version avalible on eBay and a connecting cable you can trade arceus with yourself so you can have it on ruby.