palkia
Masterball. (Cresselia)
The best way is to use a masterball. Since u only get one masterball in the game, use it wisely or cheat with a gameshark or action replay.
use a masterball.
I recommend trading a Pokemon from another games holding a masterball. If you don't understand. USE THE TRADED MASTERBALL!
masterball or time ball
Well a masterball(no kidding). But other than that, it is best to use quickballs first then try ultraballs and diveballs, and when you have been fighting it for a good amount of time, use timerballs.
You probally want to use it on mewtwo because it is level 70
masterball :) if not try use sleep and have at lowest energy and use fast ball or ultraball
isn't it obvious its masterball?:P but maybe ultra ball.
I would use a Masterball or a Nestball or a Ultraball. Hope it helps! ~Camille
As you may know, Masterball is the best ball. I have both yellow, silver and gold. After I got the Masterball in either silver or gold, I traded with yellow. By making a pokemon hold the Masterball you trade it and in yellow you can clone it to have more of the best ball in the world. I would guess that Masterball is a lot easier to use when catching Mewtwo that a pokeball.
Yeah it is possible to catch kyogre with out wasting your masterball you wont have to use it until you see latias and latias requires you to use your masterball.