Quick facts
Species: Slowbro (Mega)
Types: Water / Psychic
Primary weaknesses: Bug, Ghost, Grass, Electric, Dark
Recommended lobby: 3–7 trainers
🐚🌀 Mega Slowbro Raid Guide in Pokémon GO
Mega Slowbro is a Water and Psychic-type Mega Pokémon in Pokémon GO. It is extremely bulky with very high defense, making it one of the tankiest Mega Raid bosses in the game.
In this complete guide, you will learn everything you need to know about Mega Slowbro raids including its weaknesses, best counters, moveset, weather boosts, how many trainers are needed, catch CP values, and whether it is worth raiding.
Table of Contents
Weakness Best Pokemon Regular Counters Shadow Counters Mega Counters Moveset Weather Effects Size Rewards FAQs🧬 About Mega Slowbro in Pokémon GO
Mega Slowbro is a Water / Psychic-type Pokémon. When Mega Evolved, it becomes a strong Water-type attacker and provides damage bonuses to Water-type and Psychic-type Pokémon in raids.
Mega Slowbro is useful because:
- It boosts Water-type and Psychic-type Pokémon in raids
- It is very bulky and can survive a long time in battle
- It is great against Fire, Fighting, and Ground-type raid bosses
Weaknesses & resistances
| Category | Details |
|---|---|
| ❌ Weak To: |
 Ghost •
 Bug •
 Grass •
 Electric •
 Dark
|
| ✅ Resistant To: |
 Fighting •
 Steel •
 Fire •
 Water •
 Psychic •
 Ice
|
🗡️ Best Counters for Mega Slowbro
The best way to defeat Mega Slowbro is to use strong Electric, Grass, Dark, or Ghost-type Pokémon.
👻 Ghost-type Counters
- Chandelure : (Hex / Shadow Ball)
- Mewtwo : (Shadow Ball)
- Black Kyurem: (Shadow Claw)
🌑 Dark-type Counters
- Weavile: (Snarl / Foul Play)
- Houndoom: (Snarl / Foul Play)
- Absol: (Snarl / Brutal Swing)
⚡ Electric-type Counters
- Black Kyurem: (Fusion Bolt)
- Zapdos: (Thunder Shock / Thunderbolt)
- Thundurus: (Volt Switch / Wildbolt Storm)
Best Mega Evolutions
Recommended Megas to use against Mega Slowbro:
- Sceptile – Bug boost
- Gengar, Banette, Gardevoir – Ghost boost
- Rayquaza – Dragon boost
- Rayquaza – Flying boost
- Sceptile, Gardevoir, Venusaur – Grass boost
- Tyranitar, Absol, Houndoom – Dark boost
- Manectric – Electric boost
Best Regular Counters
Regular pokemon that amplify the right types give you a powerful edge. Below are top Regular counters with short notes on why they excel.
| Pokémon | Fast Moves | Charged Moves | Elite Moves | Best Moves |
|---|---|---|---|---|
| Regieleki | Lock-On / Thunder Shock / Volt Switch | Hyper Beam / Thunder / Zap Cannon | Thunder Cage | Volt Switch (13) and Thunder Cage (220) |
| Black Kyurem | Shadow Claw / Dragon Tail | Stone Edge / Blizzard / Iron Head / Outrage / Fusion Bolt / Freeze Shock | - | Dragon Tail (14) and Freeze Shock (160) |
| Thundurus | Bite / Volt Switch | Focus Blast / Sludge Wave / Thunder / Thunderbolt | Wildbolt Storm | Volt Switch (13) and Wildbolt Storm (150) |
| Zekrom | Charge Beam / Dragon Breath | Flash Cannon / Wild Charge / Outrage / Crunch | Fusion Bolt | Charge Beam (7) and Fusion Bolt (140) |
| Xurkitree | Thunder Shock / Spark | Power Whip / Discharge / Thunder / Dazzling Gleam | - | Thunder Shock / Spark (4) and Thunder / Dazzling Gleam (100) |
| Kartana | Air Slash / Fury Cutter / Razor Leaf | Sacred Sword / Aerial Ace / X-Scissor / Leaf Blade / Night Slash | - | Razor Leaf (13) and Leaf Blade (70) |
| Dawn Wings Necrozma | Shadow Claw / Metal Claw / Psycho Cut | Dark Pulse / Iron Head / Future Sight / Outrage / Moongeist Beam | - | Shadow Claw / Metal Claw (6) and Moongeist Beam (230) |
Best Shadow Counters
Shadow pokemon that amplify the right types give you a powerful edge. Below are top Shadow counters with short notes on why they excel.
| Pokémon | Fast Moves | Charged Moves | Elite Moves | Best Moves |
|---|---|---|---|---|
| Shadow Thundurus | Volt Switch / Bite | Sludge Wave / Focus Blast / Thunder / Thunderbolt | Wildbolt Storm | Volt Switch (13) and Wildbolt Storm (150) |
| Shadow Hydreigon | Dragon Breath / Bite | Fly / Flash Cannon / Dragon Pulse / Dark Pulse | Brutal Swing | Dragon Breath / Bite (6) and Flash Cannon (100) |
| Shadow Electivire | Low Kick / Thunder Shock | Thunder Punch / Thunder / Ice Punch / Wild Charge | Flamethrower | Low Kick (5) and Thunder (100) |
| Shadow Weavile | Ice Shard / Feint Attack / Snarl | Focus Blast / Avalanche / Triple Axel / Foul Play | - | Feint Attack / Snarl (11) and Focus Blast (140) |
| Shadow Mewtwo | Psycho Cut / Confusion | Focus Blast / Flamethrower / Thunderbolt / Psychic / Ice Beam | Hyper Beam / Shadow Ball / Psystrike | Confusion (19) and Hyper Beam (150) |
| Shadow Chandelure | Hex / Fire Spin / Incinerate | Shadow Ball / Overheat / Flame Charge / Energy Ball | Poltergeist | Incinerate (32) and Overheat (160) |
| Shadow Zapdos | Charge Beam | Drill Peck / Ancient Power / Zap Cannon / Thunderbolt / Thunder | Thunder Shock | Charge Beam (7) and Zap Cannon (140) |
| Shadow Absol | Psycho Cut / Snarl | Megahorn / Thunder / Dark Pulse / Payback | Brutal Swing | Snarl (11) and Megahorn (105) |
| Shadow Sceptile | Fury Cutter / Bullet Seed | Aerial Ace / Earthquake / Leaf Blade / Dragon Claw / Breaking Swipe | Frenzy Plant | Bullet Seed (7) and Earthquake (140) |
| Shadow Magnezone | Metal Sound / Spark / Charge Beam / Volt Switch | Flash Cannon / Mirror Shot / Zap Cannon / Wild Charge | - | Volt Switch (13) and Zap Cannon (140) |
| Shadow Raikou | Thunder Shock / Volt Switch | Aura Sphere / Shadow Ball / Thunder / Thunderbolt / Wild Charge | - | Volt Switch (13) and Aura Sphere / Shadow Ball / Thunder (100) |
| Shadow Tyranitar | Iron Tail / Dragon Breath / Bite | Stone Edge / Fire Blast / Crunch / Brutal Swing | Smack Down | Iron Tail (14) and Fire Blast (140) |
| Shadow Darkrai | Snarl / Feint Attack | Focus Blast / Shadow Ball / Dark Pulse | Sludge Bomb | Snarl / Feint Attack (11) and Focus Blast (140) |
Best Mega Counters
Mega pokemon that amplify the right types give you a powerful edge. Below are top Mega counters with short notes on why they excel.
| Pokémon | Fast Moves | Charged Moves | Elite Moves | Best Moves |
|---|---|---|---|---|
| Mega Sceptile | Fury Cutter / Bullet Seed | Aerial Ace / Earthquake / Leaf Blade / Dragon Claw / Breaking Swipe | Frenzy Plant | Bullet Seed (7) and Earthquake (140) |
| Mega Tyranitar | Iron Tail / Dragon Breath / Bite | Stone Edge / Fire Blast / Crunch / Brutal Swing | Smack Down | Iron Tail (14) and Fire Blast (140) |
| Mega Gengar | Hex / Shadow Claw / Sucker Punch | Focus Blast / Drain Punch / Sludge Bomb / Shadow Ball | Lick / Sludge Wave / Shadow Punch / Psychic / Dark Pulse | Hex (8) and Focus Blast (140) |
| Mega Absol | Psycho Cut / Snarl | Megahorn / Thunder / Dark Pulse / Payback | Brutal Swing | Snarl (11) and Megahorn (105) |
| Mega Banette | Hex / Shadow Claw | Shadow Ball / Thunder / Dazzling Gleam | - | Hex (8) and Shadow Ball / Thunder / Dazzling Gleam (100) |
| Mega Manectric | Charge Beam / Thunder Fang / Snarl | Flame Burst / Overheat / Thunder / Wild Charge / Psychic Fangs | - | Snarl (11) and Overheat (160) |
| Mega Rayquaza | Air Slash / Dragon Tail | Aerial Ace / Dragon Ascent / Ancient Power / Outrage | Hurricane / Breaking Swipe | Dragon Tail (14) and Dragon Ascent (140) |
| Mega Gardevoir | Magical Leaf / Charge Beam / Confusion / Charm | Shadow Ball / Psychic / Triple Axel / Dazzling Gleam | Synchronoise | Charm (20) and Shadow Ball / Dazzling Gleam (180) |
| Mega Houndoom | Fire Fang / Snarl | Fire Blast / Flamethrower / Crunch / Foul Play | - | Fire Fang (13) and Fire Blast (140) |
| Mega Venusaur | Razor Leaf / Vine Whip | Sludge / Sludge Bomb / Petal Blizzard / Solar Beam | Frenzy Plant | Razor Leaf (13) and Soalr Beam (180) |
| Mega Pinsir | Rock Smash / Bug Bite / Fury Cutter | Vise Grip / Close Combat / Superpower / X-Scissor | Submission | Rock Smash (17) and Close Combat (105) |
🌀 Mega Slowbro Moveset
Slowbro common fast moves are Water Gun or Confusion. Charged moves include Water Pulse or Ice Beam or Drain Punch or Scald or Psychic. Elite moves include Surf.
Threat: Confusion + Psychic can deal heavy damage to fragile Pokémon.
Dangerous Moves: Psychic and Ice Beam hit many top counters hard.
Tip: Avoid using Poison or Steel-types—they don’t hit for super effective damage.
🌦️ Weather Boost
Mega Slowbro gets a weather boost in:
- Rain → boosts Water
- Windy → boosts Psychic
Your counters get boosted in:
- Rain → boosts Electric
- Sunny → boosts Grass
- Fog → boosts Dark and Ghost
Recommended Teams
Optimized Team
- Mega Gengar
- Kartana
- Xurkitree
- Hydreigon
- Shadow Venusaur
- Zekrom
Budget Team
- Roserade
- Leafeon
- Gengar
- Raikou
- Weavile
- Tyranitar
💡 Best Strategy to Defeat Mega Slowbro
- Mega Slowbro is very bulky — expect a longer fight.
- Ghost and Dark types perform best overall.
- Grass and Electric types are also strong options.
- Dodge Psychic and Ice Beam if possible.
- 3–4 strong trainers can defeat it comfortably.
👥 How Many Trainers Are Needed?
- 3–4 very strong trainers → Possible
- 5–6 trainers → Comfortable clear
- Lower-level groups → 7+ recommended
Rewards
- Mega Energy for Slowbro
- Chance to catch Slowbro (with boosted IVs)
- Rare Candy & XL Candy
📌 Is Mega Slowbro Worth Raiding?
Mega Slowbro is worth raiding mainly for its Mega boost to Water and Psychic-type Pokémon. While it is not the strongest Mega attacker, its bulk and utility make it useful in many situations.
FAQ
Can Mega Slowbro be shiny in Pokémon GO?
Shiny Slowbro has been released in raids or events.
What are best moveset of Slowbro?
Best moveset of Slowbro are Confusion which does damage of 19 under Fast Attack and Ice Beam or Psychic of 95 under Charged Attack.
Are Shadow Pokémon better?
Yes—Shadow forms have +20% attack, making them excellent choices if available.
What is the best weather to raid Mega Slowbro?
Rainy weather boosts Electric and Grass type counters, Cloudy weather boosts Ghost and Dark types counters.
🏁 Conclusion
Mega Slowbro is a very bulky Mega Raid boss that can take a lot of punishment. With proper Electric, Grass, or Dark-type counters, you can defeat it efficiently and farm Mega Energy.
Related Guides
Looking for more counters? Check out our Mega Sceptile Raid Guide, Mega Gengar Raid Guide, Mega Tyranitar Raid Guide
Summary
- Electric-types are your main damage dealers
- Grass-types cover Water moves
- Dark-types exploit Psychic typing
- Watch for Confusion + Psychic combo
- Electric-types are your main damage dealers
- Grass-types cover Water moves
- Dark-types exploit Psychic typing
- Watch for Confusion + Psychic combo