Sturdy!
In all genereations previous to gen V, sturdy prevented one hit knock out moves like Sheer Cold and Horn Drill from knocking out your Pokemon. In Gen V, it was changed to act like a focus sash, any pokemon with sturdy that had full health would not be able to faint in just one hit.
This ability does nothing outside of battle.
Pokemon that can have this ability are:
- Geodude
- Graveler
- Golem
- Magnemite
- Magneton
- Onix
- Sudowoodo
- Pineco
- Forretress
- Steelix
- Shuckle
- Skarmory
- Donphan
- Nosepass
- Aron
- Lairon
- Aggron
- Shieldon
- Bastiodon
- Bonsly
- Magnezone
- Probopass
- Roggenrola(Gen V)
- Boldore(Gen V)
- Gigalith(Gen V)
- Sawk(Gen V)
- Dwebble(Gen V)
- Crustle(Gen V)
- Tirtouga(Gen V)
- Carracosta(Gen V)
- Relicanth(Dream World Ability)
- Regirock(Dream World Ability