How much power would a Sheer Force, Max EVs in Attack, Choice Band, Rampardos Zen Headbutt do?

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Pleaselog inorregisterto add a comment.

(answer is based on 100, lonely, 31 IVs)

You can find out these things using aDamage Calculator

In the case you have mentioned, against defensive Pokemon with a resistance… not too much damage.

252+ Atk Choice Band Sheer Force Rampardos Zen Headbutt vs. 252 HP / 252+ Def Aegislash-Shield: 60-71 (18.5 - 21.9%) – possible 6HKO after Leftovers recovery

252+ Atk Choice Band Sheer Force Rampardos Zen Headbutt vs. 252 HP / 252+ Def Bastiodon: 55-65 (16.9 - 20%) – possible 5HKO

252+ Atk Choice Band Sheer Force Rampardos Zen Headbutt vs. 252 HP / 4 Def Bronzong: 49-57 (14.4 - 16.8%) – possible 9HKO after Leftovers recovery

Against Defensive Rotom-W: decent chance of a 2HKO

252+ Atk Choice Band Sheer Force Rampardos Zen Headbutt vs. 248 HP / 252+ Def Rotom-W: 153-181(50.4 - 59.7%) – 85.9% chance to 2HKO after Leftovers recovery**

Against Shuckle… meh

Against Heracross… devastating.

252+ Atk Choice Band Sheer Force Rampardos Zen Headbutt vs. 164 HP / 0 Def Mega Heracross: 396-466 (115.7 - 136.2%) – guaranteed OHKO

I could go on, but there are 720 Pokemon with many different sets. It’s probably an OK move to use as long as you don’t come up anything that resists Zen Headbutt. But with common weaknesses and a lousy speed stat, you’re not going to sweep with Ramparados.