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Is Iron Head a good or bad option on Mega Gyarados?

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Yeah, lately in OU Mega Gyara has been fairly common and I decided to try one out myself for a change! But, for the last slot I am having a hard time deciding what I should use. I have seen many with EQ but some with Iron Head.
Planned set (under Sticky Web support):
Gyarados @ Gyaradosite
Ability: Intimidate ---> Mold Breaker
Nature: Adamant
EVs: 216 Atk/216 Spd/76 Def
-Dragon Dance
-Iron Head/Earthquake

Which one should I choose?

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2 Answers

2 votes
Best answer

It's not bad per say but it's not particularly good either. Earthquake comes with the advantage of hitting electric types not named Thundurus or Zapdos for supereffective damage, and allows you to hit ferrothorn well without being damaged by iron barbs. It's also the strongest option against common Azumarill and Keldeo, who are currently #3 and #21 in usage and gives gyarados a run for it's money. Iron Head only seems to be useful for Clefable, Sylveon and Gardevoir, both of which have low defense stats and will likely fall to a +1 Waterfall anyhow.

  • +1 252+ Atk Mold Breaker Mega Gyarados Waterfall vs. 252 HP / 252+ Def Clefable: 216-255 (54.8 - 64.7%) -- guaranteed 2HKO after Stealth Rock and Leftovers recovery
  • +1 252+ Atk Mold Breaker Mega Gyarados Waterfall vs. 0 HP / 24 Def Mega Gardevoir: 336-396 (121.2 - 142.9%) -- guaranteed OHKO
  • +1 252+ Atk Mold Breaker Mega Gyarados Waterfall vs. 244 HP / 0 Def (Choice Specs) Sylveon: 348-411 (88.7 - 104.8%) -- guaranteed OHKO after Stealth Rock
  • +1 252+ Atk Mold Breaker Mega Gyarados Waterfall vs. 252 HP / 220+ Def (Cleric) Sylveon: 238-282 (60.4 - 71.5%) -- guaranteed 2HKO after Stealth Rock and Leftovers recovery

Cleric sylveon and defensive Clefable both fail to OHKO Gyarados in return, and at +1, gyarados will certainly outspeed them. The rock types iron head would hit are already covered by Waterfall, and the only prevalent ice type, Mamoswine, is weak to waterfall. I suppose Iron Head could be run to nail Kyurem-B and get a neutral option for Breloom and Dragonite, but the former is rare and if you really want to hit the last two Ice Fang is far superior.

I suppose if you want to OHKO all fairies not named Azumarill without any set up, you could run Iron Head, but Earthquake and in some cases Ice Fang tend to be better options. It's probably better to pair Gyarados with a steel type attacker. Steel types will appreciate Gyarados's ability to remove threats like Heatran, Rotom-W and Landorus-T.

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Tanks! :S
or emolga...

nobody remembers emolga
Tell that to fondant.
1 vote

It depends in what you're having trouble with.
If you're having trouble with Fairies, run Iron Head. If you're having trouble with Rotom-W, then run Earthquake. I would probably advise EQ tho to hit Ferro harder than the other two moves.

answered by
You do realize that Rotom-Wash has Levitate, and therefore isn't hit by Ground-type attacks...
Mega Gyarados get's Mold Breaker, so opposing pokemon's ability is ignored, meaning Rotom-W can be hit by EQ
^ Exactamente