You don't. Though before you encounter your version mascot you will get a master ball.
You cannot turn an Ultra Ball into a Master Ball.
no
you cant make a master ball with an ultra ball
An Ultra ball is good or a master ball An Ultra ball is good or a master ball
to change the ultra to master in battle, when you throw the ultra press a rapidly about 15 times and it might work like a master ball
i don't think so man. i think that's virtually impossible
Lower it HP till it turn red and keep throwing ultra ball at it.
Ultra Ball during the day, Dusk Ball at night, Quick Ball on the first turn, Timer Ball on turns 11 and later.
The ultra ball
master ball ultra ball quick ball or a premier ball
Ultra Ball
you cant measure out ultra balls to equal master balls. master balls are just a lot better.