During the presentation, it was revealed that the mysterious Pokémon shown on the packages of Pokémon Ultra Sun and Pokémon Ultra Moon are in fact Necrozma. After taking over the Legendary Pokémon Solgaleo in Pokémon Ultra Sun or the Legendary Pokémon Lunala in Pokémon Ultra Moon, Necrozma becomes Dusk Mane Necrozma or Dawn Wings Necrozma! Dusk Mane Necrozma can use Solgaleo’s signature move Sunsteel Strike and Dawn Wings Necrozma can use Lunala’s signature move Moongeist Beam. Alongside these new forms of Necrozma, two new Ultra Beasts, UB Assembly and UB Burst,were also shown. Details about these mysterious beings will be unveiled later.
Fans who purchase either game before January 10, 2018 will receive the in-game special early purchase gift Rockruff that can evolve into the new Dusk Form Lycanroc will know different moves depending on which version of the game you buy. In Pokémon Ultra Sun, it will know the move Fire Fang, while in Pokémon Ultra Moon, it will know the move Thunder Fang. The special Rockruff will be distributed holding a Focus Band and will also know the move Happy Hour which will allow you to receive twice as much prize money after battle. An exclusive Z-Move for Lycanroc was also revealed—Splintered Stormshards. This new Rock-type Z-Move can remove various effects from a terrain, and can be used by having a Lycanroc learn the move Stone Edge and then having it hold the special Z-Crystal Lycanium Z. All three Lycanroc, Midday Form, Midnight Form and Dusk Form, can use Splintered Stormshards.
On September 22, the Nintendo 3DS Virtual Console titles Pokémon Gold Version and Pokémon Silver Version will be released worldwide on Nintendo eShop. Fans who purchase either of the games will receive a special code which will grant them the Mythical Pokémon Celebi in the Pokémon Sun, Pokémon Moon, Pokémon Ultra Sun or Pokémon Ultra Moon video games. Special themes for each game will also be available for fans who purchase Pokémon Gold Version or Pokémon Silver Version by January 15.