Gigantamax Blastoise — Raid Guide

Quick summary

Introduction

Gigantamax Blastoise is a Water-type raid boss. Its exclusive G-Max Cannonade continuously damages opponents, making it a challenging raid. Electric and Grass Pokémon are the top counters. This guide explains everything trainers need to beat Gigantamax Blastoise 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

Category	Details
Weak to	Electric • Grass
Resists	Fire • Water • Ice • Steel
Notes	Gigantamax bosses often use Max Moves — these can be powerful, sometimes buffing or changing battlefield conditions. Expect higher HP and potentially team-wide effects.

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Best Gigantamax Blastoise Counters

Gigantamax-type Counters

• Venusaur
• Rillaboom

Dynamax-type Counters

• Zapdos
• Rillaboom
• Toxtricity
• Falinks
• Moltres
• Machamp

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 Blastoise.

Pokémon	Fast Moves	Gigantamax Moves	Charged Moves	Elite Moves	Best Moves
Gigantamax 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 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 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 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 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 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 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)

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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 Metagross	Max Mindstorm, Max Flutterby, Max Steelspike	Zen Headbutt, Bullet Punch, Fury Cutter	Flash Cannon, Psychic, Earthquake	Meteor Mash
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 Moltres	Max Flare, Max Airstream	Fire Spin, Wing Attack	Fire Blast, Overheat, Heat Wave, Ancient Power	Sky Attack
Dynamax Falinks	Max Knuckle	Rock Smash, Counter	Superpower, Brick Break, Megahorn	-
Dynamax 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 Zapdos	Max Lightning	Charge Beam	Zap Cannon, Thunder, Thunderbolt, Ancient Power, Drill Peck	Thunder Shock
Dynamax Entei	Max Flare	Fire Spin, Fire Fang	Flamethrower, Fire Blast, Overheat, Iron Head, Flame Charge, Scorching Sands	-
Dynamax Rillaboom	Max Overgrowth, Max Strike	Scratch, Razor Leaf	Energy Ball, Grass Knot, Earth Power	-
Dynamax Inteleon	Max Geyser, Max Strike	Pound, Water Gun	Water Pulse, Surf, Shadow Ball	-
Dynamax Unfezant	Max Airstream, Max Steelspike	Air Slash, Steel Wing	Heat Wave, Hyper Beam, Sky Attack	-
Dynamax Excadrill	Max Quake, Max Steelspike	Metal Claw, Mud Slap, Mud Shot	Rock Slide, Earthquake, Drill Run, Iron head, Scorching Sands	-
Dynamax Ivysaur	Max Overgrowth	Razor Leaf, Vine Whip	Power Whip, Sludge Bomb, Solar Beam	-
Dynamax Kingler	Max Geyser, Max Quake, Max Steelspike	Metal Claw, Bubble	Vise Grip, Water Pulse, X-Scissor, Crabhammer, Razor Shell	Mud Shot
Dynamax Bulbasaur	Max Overgrowth, Max Strike	Tackle, Vine Whip	Power Whip, Seed Bomb, Sludge Bomb	-
Dynamax Greedent	Max Strike, Max Darkness, Max Overgrowth, Max Quake	Tackle, Bite, Bullet Seed, Mud Shot	Body Slam, Crunch, Tailblaze	-
Dynamax Toxtricity	Max Lightning, Max Ooze	Acid, Spark, Poison Jab	Acid Spray, Discharge, Wild Charge, Power-Up Punch	-
Dynamax Dubwool	Max Strike, Max Knuckle	Tackle, Take Down, Double Kick	Wild Charge, Payback, Body Slam	-
Dynamax Cryogonal	Max Hailstorm	Ice Shard, Frost Breath	Aurora Beam, Night Slash, Solar Beam, Water Pulse, Triple Axel	-
Dynamax Thwackey	Max Strike, Max Overgrowth	Scratch, Razor Leaf	Energy Ball, Grass Knot	-
Dynamax Venusaur	Max Overgrowth	Razor Leaf, Vine Whip	Petal Blizzard, Sludge Bomb, Solar Beam, Sludge	Frenzy Plant
Dynamax Blissey	Max Strike, Max Mindstorm	Pound, Zen Headbutt	Dazzling Gleam, Hyper Beam, Psychic	Wild Charge

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Battle Tips

• Front-load your best Electric/Grass DPS to capitalize on early damage windows.
• Coordinate dodges only on heavy Max Moves — constant dodging reduces overall DPS in long fights.
• Star and favorite teams to reduce relobby time; players in large groups should communicate role.

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 Mega/Dynamax/G-Max boosts.

Why Raid Gigantamax Blastoise?

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

When To Avoid

Avoid Ground, Fire, and Rock Pokémon — they take heavy damage from Blastoise’s Water moves.

Raid Strategy & Catch Tips

Gigantamax Blastoise’s bulk makes raids tough. Focus on Electric types for consistent damage, with Grass support when Ice Beam isn’t in play. Dodge G-Max Cannonade’s chip damage to extend survival.

Conclusion

Gigantamax Blastoise is a mechanically interesting raid boss: its Water type is predictable, but the G-Max residual damage forces teams to plan for survivability, not just pure DPS. Prioritize Electric and Grass 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 Blastoise efficiently and maximize your rewards.