Most Pokemon moves have remained the same across all the games in the series, but one under the Ghost-type has a strange ...

Over 20 Pokmon in Legends: Arceus are Shiny locked, making them difficult to obtain in Shiny form. The Legendaries, Mythicals, and starter Pokmon are among the Shiny locked species in the game.

Z-A likely to repeat the starter Pokemon model of the previous entry, using Johto's forgotten Grass-type might work best.