Gigantamax Rillaboom — Raid Guide

Gigantamax Rillaboom

Quick facts

Species: Rillaboom (Gigantamax)
Type: Grass
Primary weaknesses: Bug, Fire, Flying, Ice, Poison

Introduction

Gigantamax Rillaboom brings a new twist to the classic Rillaboom raid: larger presence, signature G-Max Drum Solo mechanics that apply lingering residual damage, and charged moves that deal heavy-area effects. This guide explains everything trainers need to beat Gigantamax Rillaboom reliably in Pokémon GO raids — from weaknesses and recommended Gigantamax counters to Dynamax picks, weather interactions, team-size guidance, and catch/reward tips.


Weaknesses & resistances

CategoryDetails
Weak to Bug type Bug • Fire type Fire • Flying type Flying • Ice type Ice • Poison type Poison
Resists Ground type Ground • Water type Water • Grass type Grass • Electric type Electric
Notes Gigantamax Rillaboom has a charged repertoire that includes Grass and Ground coverage (e.g., Grass Knot, Energy Ball, Earth Power, and the signature G-Max Drum Solo). Expect very fast charge behavior due to its quick fast move options.

Best Gigantamax Rillaboom Counters

Gigantamax-type Counters

Dynamax-type Counters


Best Gigantamax Counters

Gigantamax Pokémon that amplify the right types give you a powerful edge. Below are top Gigantamax counters with short notes on why they excel vs G-Max Rillaboom.

Pokémon Fast Moves Gigantamax Moves Charged Moves Elite Moves Best Moves
Gigantamax CharizardGigantamax Charizard
Air Slash, Fire Spin G-Max Wildfire Overheat, Fire Blast, Dragon Claw Dragon Breath, Ember, Wing Attack, Flamethrower, Blast Burn Fire Spin (13) and G-Max Wildfire (350)
Gigantamax Lapras Gigantamax Lapras
Frost Breath, Water Gun, Psywave G-Max Resonance Blizzard, Hydro Pump, Surf, Skull Bash, Sparkling Aria Ice Shard, Ice Beam, Dragon Pulse Frost Breath(11) and G-Max Resonance(350)
Gigantamax SnorlaxGigantamax Snorlax
Lick, Zen Headbutt G-Max Replenish Heavy Slam, Earthquake, Hyper Beam, Outrage, Skull Bash, Body Slam, Superpower Yawn Zen Headbutt(11) and G-Max Replenish(350)
Gigantamax CinderaceGigantamax Cinderace
Tackle, Fire Spin G-Max Fireball Flamethrower, Flame Charge, Focus Blast - Fire Spin(13) and G-Max Fireball(350)
Gigantamax InteleonGigantamax Inteleon
Pound, Water Gun G-Max Hydrosnipe Shadow Ball, Water Pulse, Surf - Pound(6) and G-Max Hydrosnipe(350)
Gigantamax GengarGigantamax Gengar
Sucker Punch, Shadow Claw, Hex G-Max Terror Shadow Ball, Sludge Bomb, Focus Blast, Drain Punch Lick, Dark Pulse, Shadow Punch, Sludge Wave, Psychic Hex(8) and G-Max Terror(350)
Gigantamax Blastoise Gigantamax Blastoise
Bite, Water Gun, Rollout G-Max Cannonade Flash Cannon, Ice Beam, Hydro Pump, Skull Bash Hydro Cannon Rollout(15) and G-Max Cannonade(350)
Gigantamax KinglerGigantamax Kingler
Metal Claw, Bubble G-Max Foam Burst Vise Grip, X-Scissor, Water Pulse, Crabhammer, Razor Shell Mud Shot Bubble(10) and G-Max Foam Burst(350)
Gigantamax MachampGigantamax Machamp
Bullet Punch, Counter G-Max Chi Strike Cross Chop, Rock Slide, Close Combat, Dynamic Punch, Heavy Slam Payback, Submission, Stone Edge, Karate Chop Counter(13) and G-Max Chi Strike(350)
Gigantamax VenusaurGigantamax Venusaur
Vine Whip, Razor Leaf G-Max Vine Lash Sludge, Petal Blizzard, Sludge Bomb, Solar Beam Frenzy Plant Razor Leaf(13) and G-Max Vine Lash(350)
Gigantamax ToxtricityGigantamax Toxtricity
Spark, Poison Jab, Acid G-Max Stun Shock Acid Spray, Wild Charge, Discharge, Power-Up Punch - Poison Jab(13) and G-Max Stun Shock(350)

Dynamax & Support Picks

Not every raid group will have multiple Gigantamax picks. Dynamax Pokémon make excellent support, either by adding burst damage or soaking time during G-Max residual windows.

Pokémon Dynamax Moves Fast Moves Charged Moves Elite Moves
Dynamax Entei Dynamax Entei
Max Flare Fire Spin, Fire Fang Flamethrower, Fire Blast, Overheat, Iron Head, Flame Charge, Scorching Sands -
Dynamax MoltresDynamax Moltres
Max Flare, Max Airstream Fire Spin, Wing Attack Fire Blast, Overheat, Heat Wave, Ancient Power Sky Attack
Dynamax Unfezant Dynamax Unfezant
Max Airstream, Max Steelspike Air Slash, Steel Wing Heat Wave, Hyper Beam, Sky Attack -
Dynamax Toxtricity Dynamax Toxtricity
Max Lightning, Max Ooze Acid, Spark, Poison Jab Acid Spray, Discharge, Wild Charge, Power-Up Punch -
Dynamax Charizard Dynamax Charizard
Max Flare, Max Airstream, Max Wyrmwind Fire Spin, Air Slash Dragon Claw, Fire Blast, Overheat, Air Cutter Ember, Wing Attack, Dragon Breath, Blast Burn, Flamethrower
Dynamax Articuno Dynamax Articuno
Max HailStorm Frost Breath, Ice Shard Blizzard, Ice Beam, Icy Wind, Ancient Power, Triple Axel Hurricane
Dynamax Cryogonal Dynamax Cryogonal
Max Hailstorm Ice Shard, Frost Breath Aurora Beam, Night Slash, Solar Beam, Water Pulse, Triple Axel -
Dynamax RabootDynamax Raboot
Max Strike, Max Flare Tackle, Ember Flame Charge, Flamethrower -
Dynamax GengarDynamax Gengar
Max Darkness, Max Phantasm Sucker Punch, Hex, Shadow Claw Focus Blast, Shadow Ball, Sludge Bomb, Drain Punch, Shadow Punch Lick, Psychic, Dark Pulse, Sludge Wave
Dynamax SuicuneDynamax Suicune
Max Mindstorm, Max Hailstorm, Max Darkness Extrasensory, Snarl, Ice Fang, Hidden Power Hydro Pump, Bubble Beam, Water Pulse, Ice Beam, Scald -
Dynamax CharmeleonDynamax Charmeleon
Max Flare, Max Strike Ember, Fire Fang, Scratch Fire Punch, Flame Burst, Flamethrower -
Dynamax MetagrossDynamax Metagross
Max Mindstorm, Max Flutterby, Max Steelspike Zen Headbutt, Bullet Punch, Fury Cutter Flash Cannon, Psychic, Earthquake Meteor Mash
Dynamax Machamp Dynamax Machamp
Max Knuckle, Max Steelspike Bullet Punch, Counter Heavy Slam, Dynamic Punch, Close Combat, Rock Slide, Cross Chop Karate Chop, Stone Edge, Submission, Payback
Dynamax Passimian Dynamax Passimian
Max Knuckle, Max Strike Counter, Rock Smash, Take Down Brick Break, Close Combat, Superpower, Brutal Swing, Drain Punch -
Dynamax KinglerDynamax Kingler
Max Geyser, Max Quake, Max Steelspike Metal Claw, Bubble Vise Grip, Water Pulse, X-Scissor, Crabhammer, Razor Shell Mud Shot
Dynamax ExcadrillDynamax Excadrill
Max Quake, Max Steelspike Metal Claw, Mud Slap, Mud Shot Rock Slide, Earthquake, Drill Run, Iron head, Scorching Sands -
Dynamax InteleonDynamax Inteleon
Max Geyser, Max Strike Pound, Water Gun Water Pulse, Surf, Shadow Ball -
Dynamax Tranquill Dynamax Tranquill
Max Airstream, Max Steelspike Air Slash, Steel Wing Heat Wave, Aerial Ace, Sky Attack -

Moves & Threats

Rillaboom common fast moves are Razor Leaf or Scratch. Charged moves include Earth Power or Grass Knot and Energy Ball.G-Max Drum Solo not only delivers heavy damage but also leaves a damaging area for a short time — timing your swaps and using at least one bulky support reduces wipe risk.


Weather Effects

Sunny weather boosts Grass and Fire damage. Snow weather boosts Ice attackers.

Battle flow tip: Bring strong Fire and Flying attackers, especially if Sunny or Windy weather is active, for the fastest clears. Use top Fire and Flying attackers for maximum efficiency. Ice Pokémon can also help, particularly in Snowy weather conditions.


Battle Tips


Team Size

Recommended: 15–20 trainers for comfortable clears with mixed player levels. With many Gigantamax / Dynamax counters, 10–14 can work. Under 8 trainers should be attempted only if all participants are high-level and coordinated with ideal counters and Dynamax/G-Max boosts.


Why Raid Gigantamax Rillaboom?

Reasons include Pokédex entry, strong Grass attacker, shiny chance, and XL Candy farming.


Rewards & Catch Tips


Raid Strategy & Catch Tips

Keep shields for heavy Grass charged moves like Solar Beam. Rotate attackers if your Fire or Flying types faint quickly. Golden Razz Berries give the highest catch success, while Silver Pinaps help farm Rillaboom Candy.


FAQ

What is Gigantamax Rillaboom type and weakness?

Rillaboom is a Grass type. It is weak to Fire, Flying, Ice, Psychic type moves.

What are good counters for G-Max Drum Solo?

Strong Fire, Flying, Ice, Poison, Bug attackers such as Gigantamax Toxtricity, Gigantamax Venusaur, Gigantamax Charizard, Gigantamax Lapras, Dynamax Passimian, Dynamax Machamp.

Can Gigantamax Rillaboom be shiny?

Yes, but in certain events.

Is Gigantamax Rillaboom catchable after the raid?

Yes — standard raid catch mechanics apply.

Does weather change move sets?

Sunny boosts both Rillaboom’s Grass attacks and your Fire counters, making battles riskier but faster.

What does G-Max Drum Solo do?

G-Max Drum Solo is a charged attack that deals immediate damage and creates a short lingering damage field affecting trainers’ Pokémon. It favors teams with at least one bulky support or planned swap windows.


Conclusion

Gigantamax Rillaboom is a mechanically interesting raid boss: its Grass is predictable, but the G-Max residual damage forces teams to plan for survivability, not just pure DPS. Prioritize Fire and Flying Gigantamax picks, add Dynamax support for sustained windows, and include at least one high-TDO tank if your lobby is smaller. With the counters and tactics above, you’ll clear Venusaur efficiently and maximize your rewards.