Gigantamax Rillaboom will debut in Pokemon Go during a Go Fest 2025 special event, so here’s what you need to challenge this beast.

Take a look at the full list below: January to February 2019 Articuno / Zapdos / Moltres / Entei / Raikou / Suicune / Ho-Oh / Lugia March to April 2019 Entei / Raikou / Suicune / Ho-Oh / Lugia ...