Gigantamax Rillaboom Max Battle Day

Build a Gigantamax Rillaboom team, budget Max Particles, find a group, and track the first opportunity to encounter its Shiny Gigantamax form.

View event plan

Why it matters

The event opportunity

Gigantamax Rillaboom appears in six-star Max Battles, with all Power Spots hosting battles and an event collection limit of 1,600 Max Particles.

Plan aheadPrioritize catchesTrack progress

Bonuses

Gigantamax Rillaboom bonuses

All Power Spots host Gigantamax Battles and refresh more frequently
8× Max Particles from Power Spots
Max Particle collection limit increased to 1,600
Up to three Special Trades for the day

Features

How this event works

Six-star Gigantamax Rillaboom battles appear at all Power Spots.
Power Spots refresh more frequently during the three-hour window.
The daily Max Particle collection limit increases to 1,600.

Possible Shinies

Shiny Pokémon worth checking

These featured Pokémon may be encountered as Shiny during the event. Boosted odds are identified when confirmed.

RillaboomShiny Gigantamax debut#812

Featured Pokémon

What to catch, hatch, raid, or evolve

Open any Pokémon for evolution requirements, forms, costumes, search examples, and recommended battle movesets.

RillaboomGigantamax debut#812

ThwackeyEvolution family#811

GrookeyCandy source#810

Strategy

A practical event plan

Power up appropriate Dynamax counters before the event begins.
Collect exploration Max Particles before claiming the event’s Power Spot particles.
Coordinate enough Trainers for six-star Max Battles.
Keep your strongest catch and record Gigantamax and Shiny status in Forms & Costumes.

Sources and freshness

This editorial guide is based on the official announcement. Editorial content date: 2026-08-27. This is not the time of the latest automated source check; live research checks are shown with the research details.

Dates, bonuses, research, and featured Pokémon are page text, not only an image. Unconfirmed details stay pending. How our event data works.