Deals more damage to Pokémon of the same gender.
Rivalry is an ability introduced in Generation 4. So far, 2 Pokémon have this ability.
Raises the base power of a move by 25% if the foe is the same gender, but reduces the power by 25% if the foe is not. It does not affect genderless Pokémon.
Outside of battle
Rivalry has no effect outside of battle.
Pokémon with Rivalry