How to beat Mega Slowbro raids in Pokemon GO: Best counters, shiny odds, 100% CP, and more

To take down Mega Slowbro raids in Pokemon GO, you must hit it with super-effective moves from the top counters. The battles will last from 10 am local time on Monday, August 11, 2025, until 10 am local time on Monday, August 18, 2025. The creature is a Water- and Psychic-type, which leaves it weak to Electric-, Grass-, Ghost-, Dark-, and Bug-type attacks.

This article lists the best counters to use against Pokemon GO Mega Slowbro raids. It also covers the creature's stats, shiny odds, and hundo CP.

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Best counters for Pokemon GO Mega Slowbro raids

The best Pocket Monsters to use against Mega Slowbro are:

• Mega Sceptile with Vine Whip and Frenzy Plant
• Shadow Raikou with Thunder Shock and Wild Charge
• Dawn Wings Necrozma with Shadow Claw and Moongeist Beam
• Mega Tyranitar with Bite and Brutal Swing
• Mega Heracross with Struggle Bug and Megahorn

Mega Slowbro in the anime (Image via TPC)

Best Grass-type counters to Mega Slowbro

Pokemon	Fast Move	Charged Move
Mega/Shadow Sceptile	Bullet Seed	Frenzy Plant
Mega/Shadow Venusaur	Vine Whip	Frenzy Plant
Zarude	Vine Whip	Power Whip
Kartana	Razor Leaf	Leaf Blade
Shaymin (Sky)	Magical Leaf	Grass Knot
Shadow Tangrowth	Vine Whip	Power Whip

Best Electric-type counters to Mega Slowbro

Pokemon	Fast Move	Charged Move
Regieleki	Thunder Shock	Thunder Cage
Shadow/Regular Raikou	Thunder Shock	Wild Charge
Xurkitree	Thunder Shock	Power Whip
Zekrom	Charge Beam	Fusion Bolt
Shadow Electivire	Thunder Shock	Wild Charge
Shadow Zapdos	Thunder Shock	Thunderbolt

Best Ghost-type counters to Mega Slowbro

Pokemon	Fast Move	Charged Move
Dawn Wings Necrozma	Shadow Claw	Moongeist Beam
Mega Gengar	Lick	Shadow Ball
Mega Banette	Shadow Claw	Shadow Ball
Shadow Chandelure	Hex	Shadow Ball
Lunala	Shadow Claw	Shadow Ball
Gholdengo	Hex	Shadow Ball
Origin Forme Giratina	Shadow Claw	Shadow Force
Dragapult	Astonish	Shadow Ball

Best Dark-type counters to Mega Slowbro

Pokemon	Fast Move	Charged Move
Mega/Shadow/Regular Tyranitar	Bite	Brutal Swing
Mega Absol	Snarl	Brutal Swing
Mega Houndoom	Snarl	Foul Play
Shadow Weavile	Snarl	Foul Play
Hydreigon	Bite	Brutal Swing
Darkrai	Snarl	Shadow Ball
Mega Gyarados	Bite	Crunch
Incineroar	Snarl	Darkest Lariat
Yveltal	Snarl	Dark Pulse

Best Bug-type counters to Mega Slowbro

Pokemon	Fast Move	Charged Move
Mega Heracross	Struggle Bug	Megahorn
Mega/Shadow Pinsir	Bug Bite	X-Scissor
Mega/Shadow Scizor	Fury Cutter	X-Scissor
Pheromosa	Bug Bite	Bug Buzz
Volcarona	Bug Bite	Bug Buzz

You can find the best attackers of each of these types available to you using the following search strings:

• Grass&@Grass&cp2000-
• Electric&@Electric&cp2000-
• Ghost&@Ghost&cp2000-
• Dark&@Dark&cp2000-
• Bug&@Bug&cp2000-

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What are Mega Slowbro's weaknesses in Pokemon GO?

Weaknesses

• Electric
• Grass
• Ghost
• Dark
• Bug

Resistances

• Fighting
• Fire
• Ice
• Psychic
• Steel
• Water

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Shiny odds from Mega Slowbro raids in Pokemon GO

Shiny Slowbro and Shiny Mega Slowbro (Image via TPC)

You will encounter the regular version of Slowbro after you defeat the raid boss. The chances of encountering Shiny Slowbro is 1-in-128. You can use Mega Energy to evolve this into Shiny Mega Slowbro.

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Pokemon GO Mega Slowbro stats and moves as a raid boss

• Combat Power: 37,531
• Attack: 224
• Defense: 259
• Stamina: 9,000 HP
• Fast Attacks: Water Gun and Confusion
• Charged Attacks: Ice Beam, Psychic, Scald, and Water Pulse

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Check out our other Pokemon GO guides:

• Ditto disguises
• Buddy Evolution Adventure Together guide
• Best Fast Attacks in Pokemon GO
• Sierra counters
• Cliff counters
• Arlo counters
• Giovanni counters
• Team GO Rocket Grunts