The Pokémon Company International and Nintendo today revealed more details for Pokémon Ultra Sun and Pokémon Ultra Moon. In Pokémon Sun and Pokémon Moon, players took part in the Island Challenge. In Pokémon Ultra Sun and Pokémon Ultra Moon, the Island Challenge returns but this time some of the challenges are different and there is an additional new Trial. As players work through the Island Challenge they will be confronted with trouble involving the Legendary Pokémon Necrozma. Trainers will meet mysterious people and Pokémon as they witness the new dangers closing in on the Alola region. To see the official story artwork for Pokémon Ultra Sun and Ultra Moon, check out the image above.