Leader Sierra September 2025. — in pokémon go, you’ll need to take down the team go rocket leaders cliff, siera, and arlo. — selecting a team that has type advantages is key to victory over team go rocket leader sierra in pokémon go in january 2025.
— all of pokémon go sierra’s weaknesses and the best team to use against the team rocket go leader this month, updated for september 2025. Below, we list their parties and strategies as it stands in.