Pokemon XY Special Episode Acts are a series of four side story episodes that are set during Ash's journey through Kalos. The specials focus on an original protagonist and former assistant of Professor Sycamore , Alain , andhis partner, a Mega Charizard X, and his quest to research and defeat every known Mega-Evolved Pokémon. He is joined by Mairin , a beginning Trainer who started with her Chespin, nicknamed Chespie. Other characters include Steven , the Hoenn League Champion, and Lysandre , a mysterious benefactor who has his own reasons for pursuing Mega Evolution.