Ultra Megalopolis is a new world that had its light stolen by Necrozma in Pokémon Ultra Sun and Ultra Moon

By traveling through an Ultra Wormhole in Pokémon Ultra Sun and Ultra Moon, you can reach Ultra Megalopolis – a world that has had its light stolen by Necrozma. Within this mysterious world, wrapped in darkness, a mysterious tower-like building shines with brilliant light. What could possibly wait atop it? You’ll be able to find out for yourself when Pokémon Ultra Sun and Ultra Moon arrive on November 17 for the Nintendo 3DS family of systems.