Darkrai in Pokémon GO is a one of only a few mythical Pokémon in the game. Mythical Pokémon function as legendary Pokémon for all intents and purposes in Pokémon GO, making them among the rarest Pokémon in the game. They are typically only available in special legendary raids.
Darkrai Pokémon GO: Legendary Raid Offers Players Chance to Catch Darkrai
One such legendary raid took place Wednesday evening. The legendary raid hour occurred from 6 p.m. to 7 p.m. according to the player's local time zone. Over the course of that hour, players could join legendary raids to catch the mythical Pokémon. No successive Darkrai raid has yet to be announced.
Darkrai is a Dark-Type Pokémon that can also use a few Ghost- and Fight-Type attacks. It can use Snarl, Dark Pulse, Feint Attack, Shadow Ball and Focus Blast. Its CP maxes out at 3,739, and it has a catch rate that bottoms out at 1.67%.
Photo courtesy of Niantic/The Pokémon Company