You cannot find a second master ball however you can trade Pokemon to get another Pokemon with a master ball or use an action replay
if you beat the boss of team galactic, you will get a master ball from him
giratina
No u can only have 1 master ball in Pokemon diamond. it is almost completely only made for dialga. but you can as well use it for mesprit or cresselia. they r not sold in pokemmarts.
i suggest action replay or win the lottery
go to the top of mt coronet
you have to trade with a friend.
You get a master ball
where do you get the second master ball in Pokemon pearl
there is no master ball in diamond and also great ball. but there is silver ball-silver ball is like a master ball.
Have a friend trade you a Pokemon holding the master ball they got.
if you beat the boss of team galactic, you will get a master ball from him
A Poké Ball can't be changed into a Master Ball.
There is no second master ball in any game.
you get a master ball from proffeser rowen to catch Dialga
giratina
how to catch dailga in Pokemon diamond use the master ball
get an action replay