The A Striking Shadow Special Research quest gives every Pokémon Go trainer the chance to catch the mythical Marshadow! Though, if you already have Marshadow in your Pokédex, you'll earn ...

So let's take a look at the Pokemon Horizons: The Series Celebration Event quest steps and rewards in Pokémon Go. Be warned - there are spoilers! Thank you to Amiibofan101 from reddit for the ...