⚡ Congrats on unlocking all Spark’s Global Challenge bonuses, Trainers! ⚡
Your hard work helped unlock the ability to battle the Legendary Pokémon Raikou in raids on June 29 at 4 p.m. local time. If you’re lucky, you may even encounter a Shiny Raikou! pic.twitter.com/n6u868MJiz

— Pokémon GO (@PokemonGoApp) June 18, 2019