Below, we list all the high-value raid targets (Legendary Pokémon and Ultra Beasts, Mega Pokémon, and shadow Legendary Pokémon) in Pokémon Go for this month. * Shiny version available.
From there, it’s a case of switching to the counters which suit the line-up that follows. After defeating Giovanni, you will get to catch whichever Shadow legendary appears in the final encounter.