After becoming Champion, a wealth of post-game content opens up. This includes the Looker Bureau missions, the Battle Maison, and the Friend Safari. You can also catch additional legendary Pokémon. In X and Y, this includes Zygarde (located in Terminus Cave), Mewtwo (in the Unknown Dungeon after the Pokémon League), and the legendary birds Articuno, Zapdos, or Moltres (which roam Kalos after you become Champion, depending on your starter choice). complete your National Pokédex!
