masterball
3 or 0.4% throwing a poke ball at full health it's better to use a master ball.
I prefer to use my Master Ball for Mewtwo, but at least use an Ultra Ball.
use a poke ball
Master Ball
You can probaly catch him with a ultra ball but I would use the master ball
use a master ball
masterball
any
the ultra ball is what i used to catch it...but you could use the master ball after you get it
U can use a poke ball,mega ball,ultra ball but try it from the first when it appear with a quick ball it can catch it faster.
master. no other ball can hold it.
a heal ball after slim health