Question: is yveltal shiny locked in ultra moon?
Answer: Here's a list of the Pokémon that are Shiny Locked, by game: Black & White: Reshiram, Zekrom, Victini. Black 2 & White 2: Reshiram, Zekrom. X & Y: The free Lucario Korrina gives you, Xerneas, Yveltal, Zygarde, Articuno, Moltres, Zapdos, Mewtwo.