The Pokémon GO High Voltage event will run from November 18 to 22 and will feature the debut of Shiny Morpeko. Trainers can encounter it through Field Research, paid Timed Research, a Collection Challenge, the GO Battle League and snapshot encounters. With multiple ways to find this Electric- and Dark-type Pokémon, the event offers plenty of opportunities to add Shiny Morpeko to your collection while enjoying themed bonuses and activities.
Source: Official Pokémon GO blog and Pokemon.com
Source: Pokemon
