Xerneas

Xerneas is a Fairy-type Legendary Pokémon from the Kalos region. It does not evolve into or from any other Pokémon. It has two forms namely Neutral and Active modes. Along with Yveltal and Zygarde, it is a member of the Aura Trio.

Trivia

 * While in battle, Xerneas changes to Active mode. While in bag, it stays at Neutral mode. The difference is only visual.