Pokémon Go' Raid Boss Update: Shiny Groudon and Kyogre Return

Other Pokémon from the Hoenn Region are being discovered in Raids during the two-week event.

Kyogre, Pokémon GO Wiki

Pokemon Go Groudon Raid Guide: Best Counters, Weaknesses and Moveset - CNET

Primal Groudon Raid Guide

Pokemon GO Groudon Raid Boss News: Gen 3 Legendary IV, CP, Counters, Weaknesses, Updates - Daily Star

Pokémon GO Fest 2023: Global Raid Bosses - Sunday, August 27, 2023 from 10:00 a.m. to 6:00 p.m. (local time) / Primal Kyogre,Primal Groudon (10:00 a.m. to 11:00 a.m. local time) /

February 2023 Event Guide

Cresselia, Kyogre, and Groudon Returning to Raids

Groudon Raid Boss - Pokemon Go

When are Primal Kyogre & Primal Groudon released in Pokemon Go? - Dexerto