Finisher
Moves targeting foes at half HP get +1 priority.
57 species 36 as main 21 as innate 8 battle AI weight, −2 to 10
In detail
Moves targeting a living foe at 50% HP or less gain +1 priority.
Types that carry it
57 species Dark 11 Normal 11 Grass 8 Poison 8 Bug 7 Flying 7 Fairy 6 Steel 6
As a main ability
36 speciesSelectable — one of up to three, and only one is active.
As an innate
21 speciesAlways on, alongside whichever main ability is chosen.