ho oh
use a master ball
probaby kyogre
To get an additional master ball, you must either trade it from another Pokemon game, or use cheats to get one.
You have to fight it until its weak then use a master ball
it is something stupide
no
if you dont wanna waste your master ball, then the strongest ball will be the Ultra Ball...
I used a Master Ball, but if you don't want to waste it then use A LOT of Ultra Balls.
master ball, paralyze and block, false swipe and random balls
After you defeat the main 8 gyms professor oak will call you to his lab and say he has something for you. Then he will give you a master ball.
After beating the Elite Four, return to New Bark Town and talk to Prof. Elm. He will give you a Master Ball. *Remember this is the only Master Ball you will get in the whole game!*
You get a master ball after defeating the eighth gym. You'll receive it from prof. Elm.