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> The Ultra Ball (Japanese: ハイパーボール Hyper Ball) has a 100% higher chance to
> catch a Pokémon than a regular Poké Ball, and a 33% higher chance than a
> Great Ball. It has a catch multiplier of 2.0.

![The Poké Ball, Great Ball, Ultra Ball, and Master
Ball](https://i.stack.imgur.com/Yyorh.png)

What is the factor that makes Poké Balls such as the Ultra Ball and many
others different from regular Poké Balls?


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2015-02-28T04:19:23.317
19731
2016-07-29T16:23:08.110
2015-02-28T20:25:05.310
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question
pokemon
What makes an Ultra Ball different from the basic Poké Ball?


My answer is based on canon facts, but, as far as I know, I don't think the
mechanism was ever explained. The [wiki on the Poke Ball
mechanism](http://bulbapedia.bulbagarden.net/wiki/Pok%C3%A9_Ball#Mechanics_and_design)
agrees that the mechanism is unknown so far.

[![enter image description
here!](https://i.stack.imgur.com/SxUBrm.png)](https://i.stack.imgur.com/SxUBr.png)

As my own speculation, I'd say it might have something to do with the closing
mechanism. As we can see in chapter 38, Giovanni damaged Red's Poke Balls'
shutters during his gym fight, preventing the Poke Balls from opening and
trapping Gyarados and Venusaur inside until the balls were repaired. The
shutter must be key to catching/trapping a Pokemon in the ball. It might thus
be the case that Ultra Ball has a more advanced or stronger lock than a
regular Poke Ball, making it harder for the Pokemon to open the lock and
escape from the ball. With the Master Ball having the perfect lock, as not
even Mewtwo could escape after being caught by Red, in chapter 35, while still
being at almost full power.

[![enter image description
here!](https://i.stack.imgur.com/Ntmlam.png)](https://i.stack.imgur.com/Ntmla.png)

As we can see, the Poke Balls are empty inside. The only thing it seemingly
does is shrink the Pokemon. There is no inducing gas or anything inside to
weaken the Pokemon. Pokemon do undergo a change in character when being caught
though. We have seen the most bad-ass Pokemon turn into loyal
_servants/friends_ after being caught. But this might be due to the Pokemon's
honour submitting to its defeat, or it might be that the Poke Ball actually
does something to the Pokemon during the bounce process. We don't really know
the correct answer to this so far. Again, Mewtwo could be seen as a good
example, as he didn't start rampaging after being released from his ball, but
he came to respect his trainer Blaine.


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2015-03-06T10:27:39.287
19853
2015-03-06T16:42:41.173
2015-03-06T16:42:41.173
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answer


This video explains how Pokeballs work in the best way I've seen:
<https://www.youtube.com/watch?v=nvCZNEsld54>


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