use mystery gift and go 2 spear pillar
By getting a azure flute and going to spear pillar. Or trading.
In Pokémon Platinum, you would be able to catch Arceus in the Spear Pillar provided you have the Azure Flute before you beat Cynthia, the Pokémon League Champion for the first time however the Azure Flute cannot be found in the games and the Azure Flute was never distributed.
Talk to the mystery gift guy in celestic town. he will give you an azure flute. then go to the spear pillar. it will say," your names azure flute is making a sound! blow into azure flute?" Say, yes and a stairway will appear go up and arceus is on the little platform. Go forward and you will see it. ONLY TRY IF YOU ARE PREPARED. It will take a really long time. Buy at least 50 ultra balls. and maybe 5 quick balls. then try to catch it.
An archeus is the vital principle or force believed by Paracelsians, a medical movement of 16-17th century Europe, to be responsible for alchemical reactions within living bodies.
You have to trade it from D/P/Pt.
Its about 500 feet above the spear piller you need Nintendo event
You find him in Mt corentet after you have defeated the elite 4 20 times.
Special Event that hasn't happened yet but you can use Action Replay but the event item needed is the Azure flute, go to where you met dailga or palkia and stairs accend you to the Omega Pokemon Arceus he's level 80 and hard to fight and catch so go perpaired and good luck
You can enter an Action Replay code onto your Action Replay (but make sure you have some master balls for Arceus) and go to the nearest Poke mart. A man in a green suit will give you the Azure Flute. Go to the place where you caught or defeated Palkia. Use the Azure Flute, and a set of stairs will appear. Go up, and Arceus will be there. This code will work because I got Shaymin, Arceus, and Darkrai using the Action Replay.
Piccolo flute, C flute (^^), alto flute, bass flute, and contra-bass flute!
I have a flute.
the alto flute