You can contact him at [email protected] The latest Pokémon Go update changes which Pokémon appear in Raids and that includes Regirock, the third, and last, of the Hoenn region Regis.

I'm here to help you understand video games. As a pure Rock-type, Regirock won't be as vulnerable to a lot of your raiding standbys. Rock is vulnerable to Ground, Water, Fighting and Grass.