Sturdy

Sturdy allows the Pokémon to survive with 1 HP if attacked at full HP with an attack that would otherwise knock it out. It also prevents One-Hit-KO moves (Fissure, Horn Drill, Guillotine or Sheer Cold). If Sturdy activates before the final hit of a multi-hit move (such as Fury Swipes), the subsequent hit will still deal damage and therefore cause the Pokémon to faint. Sturdy does not prevent self-inflicted KO moves such as Selfdestruct, Explosion and Final Gambit.

Game descriptions

Ruby, Sapphire, FireRed, LeafGreen, Emerald:Negates 1-hit KO attacks.
Diamond, Pearl, Platinum:The Pokémon is protected against 1-hit KO attacks.
HeartGold, SoulSilver:It is protected against 1-hit KO attacks.
Black, White, Black 2, White 2:It cannot be knocked out with one hit.
X, Y, O.Ruby, A.Sapphire:It cannot be knocked out with one hit.
Sun, Moon, Ultra Sun, Ultra Moon:It cannot be knocked out with one hit. One-hit KO moves cannot knock it out, either.
Sword, Shield, B.Diamond, S.Pearl:It cannot be knocked out with one hit. One-hit KO moves cannot knock it out, either.
Scarlet, Violet:The Pokémon cannot be knocked out by a single hit as long as its HP is full. One-hit KO moves will also fail to knock it out.

Sturdy

Game descriptions

Pokémon with this ability (43)