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I’m legendary hunting on Pokémon Y, and I’m starting with Mewtwo or Zygard. I want to know which I should use a master ball on, but I couldn't find information on Mewtwo.

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Don't use ultra balls. There are better options. Ultra balls' catch chance multiplier is only 2, while dusk balls have a 3.5 multiplier and timer balls have a 4 multiplier after 13 turns.

2 Answers

1 vote

If you use an Ultra Ball with no status conditions, the default catch rate is raised by 2×.

Here are the benefits from status conditions:

  • Frozen: 2
  • Sleep: 2
  • Paralysis: 1.5
  • Burn: 1.5
  • Poison: 1.5
  • None: 1

If you already caught your box-Legendary (Xerneas/Yveltal), I suggest you save your Master Ball for Zygarde.

Source

No status conditions (full HP): You have a 2.635% chance of capturing it per ball. Thus, you have at least a 50% chance of catching it within 26 balls and at least a 95% chance of catching it within 113 balls.

No status conditions (1 HP): You have a 5.982% chance of capturing it per ball. Thus, you have at least a 50% chance of catching it within 12 balls and at least a 95% chance of catching it within 49 balls.

Poisoned/Paralyzed/Burned (full HP): You have a 3.571% chance of capturing it per ball. Thus, you have at least a 50% chance of catching it within 20 balls and at least a 95% chance of catching it within 83 balls.

Poisoned/Paralyzed/Burned (1 HP): You have a 8.107% chance of capturing it per ball. Thus, you have at least a 50% chance of catching it within 9 balls and at least a 95% chance of catching it within 36 balls.

Asleep/Frozen (full HP): You have a 5.24% chance of capturing it per ball. Thus, you have at least a 50% chance of catching it within 13 balls and at least a 95% chance of catching it within 56 balls.

Asleep/Frozen (1 HP): You have a 11.892% chance of capturing it per ball. Thus, you have at least a 50% chance of catching it within 6 balls and at least a 95% chance of catching it within 24 balls.

Source

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edited by
Why do all of these say full HP? Isn't it worth mentioning that having one HP multiplies the catch chance by about 3 times?
Okay, fine. I'll add something like that.
–3 votes

Use the masterball on Mewtwo.

Reason: Mewtwo can recover from damage making him hard to catch. It also can do lots of damage to your team and it’s Mega.

Zygarde: Doesn’t heal. Easy to resist damage with Fairy types.

Also you will want to make sure your Mewtwo is the right nature as it can be the strongest Pokémon on your team. Zygarde can be re-arranged in Sun/Moon /USUM.

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