The latest trailer for Pokémon X And Y shows off Mega Evolutions, as well as introduce a new Gym Leader, Korrina.

Pokémon X And Y are coming October 12, and if you pick up the game at launch, you will be able to download a special Torchic holding a Blazikenite Mega Stone which is necessary for its Mega Evolution.

Check out the latest trailer below, as well as our recent discussion on Pokémon X and Y features. For more on Pokémon X and Y's newly revealed features and a batch of new screens and art, head here.