It is completely impossible to obtain arceus without the azure Flute or "Action Replay (hack machine) "
The azure flue is the item you need to catch a certain legendary Pokemon, It allows you to catch Arceus. Without it, you have no chance of catching Arceus without an action replay or code breaker.
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.
you can not obtain arceus through game play without the azure flute which has never been released. Check Pokemon.com regularly to get the latest news on events to catch this pokemon.
You must have gone to an event, where you received the Azure Flute.
the flute is the azure flute
use the azure flute
There was an Azure Flute event, but it ended :(
Go to a event that distribute the Azure Flute
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
You may now catch the highest leveled Pokemon in the game, The Legendary Pokemon Arceus.
At spear pillar but to encounter him you need Azure flute
You use the Azure Flute to catch Arceus at the top of Mt. Coronet at the Hall of Origin.