Depends on which game: Sinnoh regions, you have to say "gotcha" or on any other game, you can't
you cant make a master ball with an ultra ball
You cannot turn an Ultra Ball into a Master Ball.
you catch dialga on level 70 on spear pillar and make sure you have a ultra ball lower its hp to half and throw ultra ball its really easy
There is no apricot that can be used to make the ultra ball.
battle, make it go to sleep, then good luck
a master ball or you can make it go to sleep and make it have low health and catch it with a ultra ball
Ultra ball. if after weakening it fails, put it to sleep and if you are on VBA save it just before using your ultra ball and just keep trying and trying. make sure that rayquaza is on its lowest health possible and make it sleep so it cant use rest to regain its hp. you will need loads of ultra balls and if it just wont work, use your master ball. I caught groudon kyogre and rayquaza with an ultra ball. Hope this helps.
i don't think so man. i think that's virtually impossible
First u need to get to a really low HP. Then make it drowsy and before it falls asleep use an ultra ball. It won't catch it, but it will weken it without even lowering its HP. The when its asleep use another ultra ball and u shpuld catch it. ( by the way, he's in the cerulean cave.)
It takes more effort to use an Ultra or Great Ball against a Zapdos (Poke-Balls are nearly useless against it) as opposed to a Master Ball, but it means not wasting a super-rare ball when you should be using it against Mewtwo in the Cerulean Cave. Just get Zapdos and any other legendary bird pokemon's health wthin the red zone, then use an Ultra Ball (if you run out, use a Great Ball). Based on personal experience with catching all three legendary birds, there's about a 25% chance of successfully catching one with an ultra ball, but only a 10% chance with great balls. Good luck!
Master Ball, but without it, then probably Ultra Ball.
Try using a Pokemon with the ability Shadow Tag or a Pokemon that knows Block that has higher speed than Latios/Latias. Then weaken it and use an Ultra Ball or some other ball. You can make it Sleep, Poisoned, Paralyzed, etc. to make it easier to catch too.