Pokemon GO releases Gigantamax Rillaboom during the Serene Retreat event. You can encounter the Gigantamax Pokemon as a 6-Star Max Battle Boss. It is extremely challenging to win against such a powerhouse, you must have a proper strategy.

You can battle Gigantamax Rillaboom in Pokemon GO starting with the Senere Retreat event on Friday, May 30, 2025, at 10 AM Local Time. Gigantamax Rillaboom has powerful Grass-type moves that can inflict notable damage to Rock, Ground, and Water Pokemon. While that is the case, Shiny Gigantamax Rillaboom hasn’t debuted in the game. This guide details how to win Gigantamax Rillaboom Max Battles and get Gigantamax Rillaboom.

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Pokemon GO: Gigantamax Rillaboom Weaknesses And Resistance

Gigantamax Rillaboom Pokemon GO Weaknesses

The Grass-type, Gigantamax Rillaboom, has numerous Pokemon GO type-weaknesses and resistances. Gigantamax Max Battle bosses are extremely powerful and require thorough preparation. Only by doing so can you select the best Gigantamax Rillaboom attackers, healers, and defenders. The requirement for Gigantamax Rillaboom Max Battle participation is 800 Max Particles, they only deduct if you win.

Gigantamax Rillaboom Weaknesses In Pokemon GO

  • Bug-type moves
  • Fire-type moves
  • Flying-type moves
  • Ice-type moves
  • Poison-type moves

Gigantamax Rillaboom Resistances In Pokemon GO

You must be within an 80-meter area of the Power Spot holding Gigantamax Rillaboom Max Battle to participate.

Pokemon GO: Best Gigantamax Rillaboom Max Battle Counters

Gigantamax Rillaboom Pokemon GO Counters

The best Gigantamax Rillaboom Max Battle counters in Pokemon GO must fall under its type-weaknesses. These Max Battle counters must have Bug, Fire, Flying, Ice, and Poison typing with the same move types. When a counter’s attribute type and move type are identical, using that move can trigger the Same Type of Attack Bonus effect, inflicting bonus damage to the Gigantamax Rillaboom.

Do not attempt the Max Battle without 10 to 40 team members with proper counters.

Gigantamax Rillaboom Max Battle: Best Attackers In Pokemon GO

Pokemon

Attack

Gigantamax Charizard

Wildfire (Fire)

Dynamax Darmanitan

Fire Fang (Fire)

Dynamax Moltres

Wind Attack (Flying)

Dynamax Cinderace

Fire Spin (Fire)

Gigantamax Rillaboom Max Battle: Best Defenders In Pokemon GO

Pokemon

Attack

Dynamax Blissey

Pound (Normal)

Dynamax Corviknight

Sand Attack (Ground)

Dynamax Butterfree

Bug Bite (Bug)

Dynamax Zapdos

Thunder Shock (Thunder)

Dynamax/Gigantamax Venusaur

Vine Whip (Grass)

Team up with 10 to 40 trainers to have a chance of winning the Gigantamax Rillaboom Max Battle in Pokemon GO.

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Augmented Reality
RPG
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Systems
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Released
July 6, 2016
Developer(s)
Niantic
Publisher(s)
Niantic
Engine
Unity
Multiplayer
Online Multiplayer, Online Co-Op
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WHERE TO PLAY

DIGITAL
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Genre(s)
Augmented Reality, RPG