Battle Bond

When the Pokémon knocks out a target, its bond with its Trainer is strengthened, and its Attack, Sp. Atk, and Speed stats are boosted.

Transforms this Pokémon into Ash-Greninja after fainting an opponent. Water Shuriken's power is 20 and always hits three times. This ability cannot be copied or replaced. This ability only takes effect for Greninja.