In the core series, Mega Evolution requires the player to hold a Key Stone and a Pokémon capable of Mega Evolution holding its compatible Mega Stone (except in Pokémon: Let's Go, Pikachu! and Let's Go, Eevee!, in which the player simply needs to have the Mega Stone in their bag). Mega Evolution (Japanese: メガシンカ Mega Evolution) is a temporary transformation introduced in Generation VI that affects certain Pokémon. Pokémon Brilliant Diamond and Shining Pearlīlaziken Mega Evolving into Mega Blaziken.
