you release the three Pokemon of the lakes then you go to the top of mt. coronet (spear pillar) and if you have pkmn diamond you capture dialga if you have pearl you get palkia or if you have platinum you go to the distortion world and capture GIRATINA.
You get a master ball
you get the master ball once you beat Cyrus in the galactic building
Once you invade their warehouse, I am sure you fight Cyrus there. Cyrus will give you a Master Ball. Once you get the Master Ball, just get ready to move to the top of the Mt. Coronet.
go to top of mt coronet (hope you got master ball!!!!!!!)
there is no master ball in diamond and also great ball. but there is silver ball-silver ball is like a master ball.
defeat Cyrus at galactic veilstone building and he will give you a master ball.
After defeating Cyrus in Veilstone, he should give a Master Ball to you.
You get a Master Ball from Team Galactic Boss Cyrus at the Galactic HQ.
A player can obtain the Master Ball after you defeat Cyrus in the Veilstone Plasma Base.
bla bla all you do to get a master ball is beat the Cyrus and he gives you a master ball in the ware house they have and.... ta da! you got a master ball he onley gives you one
You go to the Veilstone H.Q. in Veilstone City and go to Cyrus and defeat him and he will give you a master ball.
Beat Cyrus and he gives you a master ball. Keep it and wait till you battle Giritina.
beat Cyrus he will give u one. :)
beat Cyrus in the veilstone base
In the galactic HQ in veilstone city.