Question

Which legendary is reccomended to use the master ball on in X?

Answer 1

Articuno, Zapdos, Moltres, Mewtwo, Xerneas, Yveltal or Zygarde. All of these Pokemon have a catch rate of 3, making them the hardest Pokemon to catch in the game.
(Higher catch rate = Higher probability of capture)

Source

Comments

Zygarde has a catch rate of 0?! How is that even possible? I thought the RNG accepted numbers less than the CR.
Is it less than or equal now?

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Zygarde has a capture rate of 3, I think Bulbapedia just hasn't filled in the capture rate section because I've noticed that other Gen VI Pokémon also have a capture rate of 0 on their site. Source: http://www.serebii.net/pokedex-xy/718.shtml

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Well then. Bulbapedia sucks :P

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Lmao xD

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wrong. i caught Zygarde with 5 Ultra Balls. bad choice to use a Master Ball on Zygarde. save it for Mewtwo.  that would be a MUCH better choice. you wouldn't wanna KO a Mega Pokemon now, would you?

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There is no such thing as a 0 catch rate, 3 is the lowest. Sand I caught Zygarde after 4 timer  balls

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I caught zygarde with a poke ball *does victory dance*

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i caught zygarde with my second ultra ball

Answer 2

DON'T use it on anything other than Mewtwo. i've tried EVERYTHING on Mewtwo you can think of: Dusk Balls, Ultra Balls, Timer Balls, etc. the ONLY thing that works is a Master Ball. also, DON'T use it on Xerneas/Yveltal. I have BOTH games, and I caught both with ONE Ultra Ball. check this link for info on how to catch Mewtwo: http://www.ign.com/wikis/pokemon-x-y/How_to_Catch_Mewtwo

Comments

Xerneas, Yveltal, Mewtwo, Zygarde and The Legendary Birds all have the same catch rate, so they all have an equal chance of being captured. No guide can be made specifically for Mewtwo.

You're just unlucky with Mewtwo.

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I totally agree with cheren 100%, I caught Zygarde in a timer ball, Articuno in a dusk ball, and Yveltal in an ultra ball

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Caught mewtwo with a premier ball *does another victory dance*

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Mewtwo isn't harder to catch or anything... :P
Except it has Recover. Ick.

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I caught mewtwo on my first timer ball

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caught it on first poke ball BOOM

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Um I caught mewtwo on my third ultra ball

Answer 3

Either Artivuno, Zapdos or Moltres if you dont wanna have to keep chasing them down. You can capture them once you see them. Or use it on Zygarde because that one is really hard to catch.

Comments

Ive seen articuno zapdos and moltres, and they don't let you do anything, just run away until you meet them in the sea spirits den. But Zygarde is good enough for me.

Answer 4

There are a few options:

• Xerneas
• Yveltal
• Mewtwo
• Zygarde
• Legendary Bird Trio

I would personally use it on one of the signature Pokemon (Yveltal/Xerneas) because the others you can always come back and rechallenge if you knock them out accidentally. There's a bit more leeway with it, whereas the signature Pokemon aren't worth grinding over just to get them on your team, so you may as well use that MasterBall and catch them straight off.

Another option is saving your MasterBall because it makes great back up if you run out of pokeballs against any of the other legendaries,

Comments

no, no, NO! it has been CONFIRMED that the X/Y legends do NOT vanish if you KO them. they stay there, seeing as you HAVE to capture them if you wanna proceed with the game. plus, i caught BOTH (i have both games), with 1-3 Ultra Balls when they were at YELLOW health.