Shiny Pokemon are exceptionally rare in Pokemon Legends: Arceus, and players can easily complete the game without ever encountering one in the world. That said, there is an opportunity to obtain a guaranteed Shiny Ponyta, and it is not particularly difficult to pursue. For those players that want to be certain that they do not miss out on the guaranteed Shiny Ponyta in Pokemon Legends: Arceus, full details on its source can be found in this guide.