To defeat Mega Slowbro in Tier 4 Pokemon GO Raids, you will want to be in a team of at least four high-level Pokemon trainers.
All of these players should have strong counters to Mega Slowbro as well. This will ensure you can deal enough damage during the time limit.
Find out the top tips to win Pokemon GO Raids for some extra help in defeating difficult bosses!
Mega Slowbro Type
Mega Slowbro is a Water/Psychic-type, just like the standard version of this Mega Pokemon.
This means it has five weaknesses and six resistances to consider before battling it.

Mega Slowbro Weaknesses & Resistances
These are all of Mega Slowbro’s weaknesses and resistances in Pokemon GO:
Weaknesses | Resistances |
Bug | Fighting |
Dark | Fire |
Electric | Ice |
Ghost | Psychic |
Grass | Steel |
Water |
All of the types that Mega Slowbro is weak to do 160% damage to it, while the types it resists deal 63% damage to it.
Find out the strongest Pokemon of each of the types that Mega Slowbro is weak to so you can defeat it easily:
- Best Bug-Type Pokemon
- Best Dark-Type Pokemon
- Best Electric-Type Pokemon
- Best Ghost-Type Pokemon
- Best Grass-Type Pokemon

Best Pokemon to Counter Mega Slowbro in Raids
Powerful Grass and Electric-type Pokemon like Kartana, Xurkitree, and Zarude are the best Pokemon to counter Mega Slowbro in Pokemon GO Raids. However, Bug, Dark, and Ghost-type Pokemon also work well.
Additionally, Mega Pokemon like Mega Sceptile, Mega Manectric, and Mega Houndoom are strong counters and boost the attack of your Pokemon that share a type with them.
These are the top 10 Pokemon to use against Mega Slowbro and their most powerful attacks:
Pokemon | Image | Fast Attack | Charged Attack |
---|---|---|---|
Mega Sceptile | ![]() | Bullet Seed | Frenzy Plant |
Mega Manectric | ![]() | Thunder Fang | Wild Charge |
Mega Houndoom | ![]() | Snarl | Foul Play |
Kartana | ![]() | Razor Leaf | Leaf Blade |
Xurkitree | ![]() | Spark | Discharge |
Zarude | ![]() | Vine Whip | Frenzy Plant |
Hydreigon | ![]() | Bite | Brutal Swing |
Zekrom | ![]() | Charge Beam | Fusion Bolt |
Darkrai | ![]() | Snarl | Shadow Ball |
Pheromosa | ![]() | Bug Bite | Bug Buzz |
Megs Slowbro is just one of many Mega Evolutions in the game. Check out the list of every Mega Pokemon in Pokemon GO to see which other ones you need!

Pokemon GO Mega Slowbro Raid Dates
Mega Slowbro is in 5-Star Pokemon GO Raids from April 17 to May 2, 2023.
This gives players two weeks to defeat this Raid boss and earn Slowbro Mega Energy!