http://www.newsweek.com/pokemon-go-shiny-gengar-day-1188445

Pokémon Go is continues its Halloween 2018 celebration with a day dedicated to one of the original Ghost types, Gengar.

On Saturday, Nov. 3 from 2-5 p.m. EDT, Pokémon Go players will notice every Raid Battle will feature Gengar only. Trainers will get a chance to catch this Ghost and Poison-type Pokémon, and its Shiny Form will be available for the first time in the popular mobile game.