How to get Arceus in Diamond and Pearl

To get ARCEUS...Read these steps 1 by 1

1. Have or Get an action replay.
2. Go to "add new code" and type in ARCEUS and type in the code to get him.
3. Select the code and start the game.
4. Go to the Pokemart and press L+R in front of the door and then save.
5. Go into the Pokemart and go to the guy in green and he will give you a azure flute.
6. Go to Spear Pillar and stand on the flute symbol and play the flute.
7. Walk up the glowing stairs till' you reach ARCEUS.
8. Fight ARCEUS and he will be at lv.80 and with Good Moves and Catch ARCEUS by using the master ball or another ball.
9.When you have caught him,Go to your PC or your Party and and check this god out.
10.Power him up and Level him and Teach him good moves and you will destroy tons of Pokemon.