Welcome to our Pokemon Go Legendary Pokemon Guide, we will go in-depth on all of the known Legendary Pokemon In Pokemon Go. First will talk about the 3. Hoenn. Regirock. Regice. Registeel. Latias is a Dragon/Psychic type Pokémon. Latios is a Dragon/Psychic type Pokémon. Kyogre (カイオーガ Kyogre) is a Water-type Pokémon. Groudon (グラードン Groudon) is a Ground-type Pokémon. Rayquaza (レックウザ Rayquaza) is a Dragon/Flying-type Pokémon.