<ul><li>Gigantamax Rillaboom, a tough Pokémon to defeat, is available during the 'Serene Retreat' event in Pokémon Go from May 31 to June 1.</li><li>Rillaboom has weaknesses to flying, poison, bug, fire, and ice-type moves but is resistant to ground, water, grass, and electric-type moves.</li><li>Recommended attackers against Gigantamax Rillaboom include Gigantamax Charizard, Dynamax Darmanitan, Dynamax Moltres, and Dynamax Cinderace.</li><li>Defensive options like Dynamax Blissey, Dynamax Corviknight, Dynamax Butterfree, and Dynamax/Gigantamax Venusaur can help absorb damage.</li><li>General battle tips include ensuring a strong team, utilizing defensive and healing moves, swapping to super effective moves when Dynamaxing, and focusing on fast moves.</li><li>It's not necessary to level up all Dynamax Pokémon to high levels; bring helpful Pokémon to contribute to the team effort.</li><li>Players are advised to be prepared as a full group can still fail, and shiny Rillaboom is not available yet in the game.</li></ul>

Gigantamax Rillaboom counters, weakness, and battle tips in Pokémon Go

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