Niantic has detailed GO Battle League: Mythical Wishes for Pokémon GO. Read on below to learn more: GO Battle League: Mythical Wishes Update Trainers, GO Battle League: Mythical Wishes is almost here! GO Battle League: Mythical Wishes start date, rank resets, and end-of-Season rewards GO Battle League: Mythical Wishes will start on Thursday, December 1, … Continue reading Ultra League and Ultra Premier Classic formats now running in Pokémon GO as part of GO Battle League: Mythical Wishes until December 22 at 1 p.m. PST