Analytic

Analytic
General Information
Generation V	Boosts move power when the Pokémon moves last.
Generation VI	Boosts move power when the Pokémon moves after the target.
Generation VII	Boosts move power when the Pokémon moves last.
Generation VIII	Boosts move power when the Pokémon moves last.
Generation IX	Boosts the power of the Pokémon's move if it is the last to act that turn.
Species with Analytic
Hidden	Beheeyem Elgyem Magnemite Magneton Magnezone Patrat Porygon Porygon2 Porygon-Z Starmie Staryu Watchog

Analytic is an ability that boosts the power of the user's attack when the opponent hit has already used their move that turn.