if you have masterball use it but if you dont have try to catch it at night and use dusk ball
ACTION REPLAY
you dont......you have to cheat but i am still trying to figure out how.
There is only one master ball in Pokemon diamond. But there is a cheat for getting a WHOLE lot more. Look it up at how do you get 98 master balls? I don't know where the master ball is I think it's in a team galatic headquarters.
To get more than one Master Ball, you must trade Pokemon that are holding them to your game.
You can't get more MasterBalls. You can only get one, unless you get very lucky playing the lottery ticket game in JubilifeCity.
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Metang evolves into Metagross at level 45.
No you can not have more than one login in Pokemon diamond.
u cant
You need action replay which you can find at game stop. then you scroll down and find more master balls. I don't have the code though, sorry but there is one of the wiki answers where it tells you the code. it's how do you get 98 master balls? I hope it helped!
In Pokemon Diamond, Pearl and Platinum you can get one master ball from Master Cyrus. To get more, you have to cheat using a Action Replay DS or DSI, or you can trade Pokemon with your friends and receive master balls from the Pokemon that they traded.
You buy them in the Pokemon markets.