When you challenge Team Rocket in Pokémon Go, you'll encounter multiple types of grunts. These grunts have unique Pokémon in their lineup, and the type of Pokémon they have determines which Shadow Pokémon rewards you'll receive after defeating them.
*EVERY NEW TEAM ROCKET LINEUP* NEW Shiny Shadows & must have shadow PKMN in Pokemon GO
For those looking for a specific Team Rocket Grunt, it’s all just random chance. But it helps to know which Pokémon they’ll be using. The Pokémon they have on their teams, and the Pokémon you can get as rewards, change every few months in Pokémon Go. This guide outlines those changes for August 2024, and which Shadow Pokémon you might be able to catch.
When you challenge a Team Rocket Grunt from a Poké Stop or the hot air balloon that appears above you, they all have different phases that they say before the battle. These phrases indicate what type of Pokémon they will be using, giving you a good idea of which Pokémon Go team to use to take them on.
Here's a full breakdown of the phrases and what kind of Pokémon those Team Rocket Grunts will use. You'll need to defeat a lot of them to become Giovanni, Arlo, Cliff, and Sierra.