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

Gigantamax Rillaboom top offensive counters - Perhaps unsurprisingly, Gigantamax Charizard (Wildfire) is your best bet. After that, you're looking at your Dynamax Fires and Fliers - Dynamax Darmanitan ...