Question: are shiny legendaries 100 catch rate?
Answer: Shiny Raid Bosses have 100% catch rates, whether they're Caterpie or Groudon. ... Shiny Raid Bosses have 100% catch rates, whether they're Caterpie or Groudon. Unfortunately, the Legendary Raid Pokemon right now is Palkia, and there are no shiny Palkias being released at this time.