How do you catch a arecues in Pokemon?

HOW TO CATCH ARCEUSYou need to obtain an Azure Flute.(NOT OBTAINABLE THROUGH REGULAR GAMEPLAY, AND ONLY THROUGH SPECIAL NINTENDO EVENTS)Go to the Spear Pillar (At the top of Mt. Coronet, where you saw Dialga/Palkia)At the very front, there is a square carved onto the floor. When you stand on the centre, a message should come up saying something like "The Azure Flute is making a noise. Would you like to blow it? YES/NO" Choose yes. you'll hear the flute being blown, then a large golden staircase will appear. When you walk up it, at the top there will be a platform.SAVE SAVE SAVE YOUR YOUR YOUR GAME GAME GAME NOW NOW NOW!!!!!Walk to the back. -Insert gasping noise here- THERE IS ARCEUS!!!If you have a master ball, walk up to Arceus. If you don't, DON'T BATTLE IT! Get a Master ball, then redo and capture it.+ Four ways to obtain a Master Ball.1- Find one in Team Galactic's HQ (Veilstone City), or2-Get one from the Pokemon news press after showing them a Pokemon they want (May take a few tries), or3-Get one as first prize in Pokemon Lotto (Jubilife TV 1st Floor), or4-Trade with someone for a Pokemon that is holding a Master Ball.broXo