Palkia. Yeah, there's other ways to catch it, but most people use the masterball on the focus of the Pokemon game(Palkia in Pearl, Dialga in Diamond, Giratina in Platinum)to advance through the story faster
I would use a master ball.
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
giratina
go to the 4 island give a master ball to one of your Pokemon put ditto in breed it the Pokemon that hatched will come out has a master bal
Master Ball
latious
I would use a master ball.
The best Poke Ball to use on any legendary Pokemon is usually the Master Ball.
The best ball to catch Deoxys is a Master Ball or a Timer Ball! Trust Me!!! Pokemon Master
Use a master ball.
You get their health really low and use a ultra ball the best
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
Master Ball is the best but I use the Dusk Ball and it worked==:COMMENTS:==~Silver*: Duhh? Master balls can catch any wild Pokemon -.-ll
use it
Use it on Palkia.
a master ball!!!
you can use your master ball