Sturdy
Negates 1-hit KO attacks.
Pokémon with this ability
Geodude
Graveler
Golem
Magnemite
Magneton
Onix
Sudowoodo
Pineco
Forretress
Steelix
Shuckle
Skarmory
Donphan
Nosepass
Aron
Lairon
Aggron
As a hidden ability
Not in the game yet
No Pokémon can be obtained with its hidden ability yet, so these are listed for reference.
Relicanth
RegirockAs of v0.75.0 · engine 22ba612f