Just train pokemon until you are strong enough to beat her.
you get the master ball after beating cirus and others
A player can obtain the Master Ball after you defeat Cyrus in the Veilstone Plasma Base.
You get it from Galactic Boss Cyrus after you defeat him in Veilstone city
You defeat the Team Galactic boss Cyrus, in the Headquarters. He gives you the Master Ball. The you can free the 3 Pokemon that are being tested in the next room after you defeat someone else.
defeat the elite four
To get a Manaphy in Pokemon Diamond you have to get Pokemon ranger and defeat it and you have to trade it to Pokemon Diamond,Platinum or Pearl.
In order to become the master of the Pokemon League, you must defeat the Elite Four and the current Champion. You will then become the League Master. However, when you go back to the Pokemon League, you will fight the Elite Four and the previous Champion as though you never became the Master of the Pokemon League.
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Easy: Defeat The Master with a hyper beam with Arceus Normal: Defeat The Master with Ledgenary Pokemon(s) Hard: Defeat The Master with your Normal Pass
There is only one Master ball in Pokemon diamond so use it wisely. I hope you can find it!
how to catch dailga in Pokemon diamond use the master ball
Well, it depends on which game it is. In Pokemon Diamond, you can get it after you defeat the team rocket or something. In Pokemon Soul Silver, you can get it by winning the lottery. You get the point. Until you specify your question, i wont be able to answer it directly.