Rivalry (Ability)

Rivalry (Japanese: とうそうしん Belligerence) is an Ability introduced in Generation IV.

Generation IV
When using a move, Rivalry raises the power of the move by 25% if the target and the Pokémon with this Ability have the same gender, but reduces base power by 25% if the target and the Pokémon with this Ability have opposite genders. If the Pokémon with this Ability or the target is genderless, the move's power is unaffected.

Unless the Pokémon is genderless, Rivalry powers up damage.

Generation V onward
Rivalry no longer powers up damage.

Outside of battle
Rivalry has no effect outside of battle.

In Explorers of Time, Darkness and Sky, and the Mystery Dungeon (WiiWare) games, Rivalry raises the power of a move if the target and the Pokémon with this Ability have the same gender, but reduces base power if the target and the Pokémon with this Ability have opposite genders.

In Gates to Infinity and, Rivalry increases the power of a move when attacking a Pokémon that shares a type. In Super Mystery Dungeon, Rivalry increases the power of a move by 20%.

Description

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In other languages
Rivalität Rivalidad Rivalité Antagonismo とうそうしん 斗争心（特性）