Defeating a Mega Aggron in a Pokemon GO Raid is no easy task, so here are its weaknesses and the best Pokemon to counter Mega Aggron.
Finding and defeating Mega Pokemon during Raids can be difficult, but they offer plenty of substantial rewards as well as much-needed Mega Energy.
Now, Mega Aggron is making its Pokemon GO debut and being added to the list of every Mega Pokemon in Pokemon GO.
If you’re hoping to win Raids against Mega Aggron and earn that Mega Energy, you should come prepared. Here’s everything you need to know to beat Mega Aggron in Pokemon GO!

Mega Aggron Pokemon GO Raid Guide
When is Mega Aggron in Pokemon GO Raids?
Mega Aggron will appear in Pokemon GO Raids from September 16-27, 2022. This is the first time you’ll be able to fight this ‘Mon in Raids.
Make sure to check out the Pokemon GO Mega and Legendary Raid Schedule for September 2022 to see what other Pokemon will be Raid bosses!
Mega Aggron Type
Mega Aggron is a pure-Steel type Pokemon. However, it won’t be an easy fight, as Mega Aggron has only a few weaknesses and plenty of resistances.
So, before you go up against Mega Aggron, check out our guide on Pokmon GO Raids for some tips and tricks!
Mega Aggron Weaknesses
- Fighting
- Fire
- Ground
These three types deal 160% damage to Mega Aggron, so you’ll want to use your best Pokemon of these types to defeat it.

Mega Aggron Resistances
- Bug
- Dragon
- Fairy
- Flying
- Grass
- Ice
- Normal
- Psychic
- Rock
- Steel
Bug types will only deal 39% damage to Mega Aggron, whereas the rest of its resistances will deal 63% damage.

Best Pokemon to Counter Mega Aggron in Raids
The best Pokemon to counter Mega Aggron are Terrakion, Mega Charizard Y, and Lucario. However, any Pokemon that have strong moves with Fighting, Fire, or Ground-types will be good for this Raid.
You’ll need to make use of some Mega Pokemon in these Raid battles, so make sure to get some Mega Energy for Mega Evolutions.
Here are the 10 best Pokemon to defeat Mega Aggron:
Pokemon | Image | Fast Attack | Charged Attack |
---|---|---|---|
Terrakion | ![]() | Double Kick | Sacred Sword |
Mega Charizard Y | ![]() | Fire Spin | Blast Burn |
Lucario | ![]() | Counter | Aura Sphere |
Conkeldurr | ![]() | Counter | Dynamic Punch |
Mega Charizard X | ![]() | Fire Spin | Blast Burn |
Garchomp | ![]() | Mud Shot | Earth Power |
Reshiram | ![]() | Fire Fang | Overheat |
Excadrill | ![]() | Mud-Slap | Earthquake |
Landorus (Therian Forme) | ![]() | Mud Shot | Earthquake |
Machamp | ![]() | Counter | Dynamic Punch |
You’ll need some Raid Passes to enter these Raids for Mega Aggron, so find out how to get more in our Pokemon Go Raid Pass guide.
But if you are short on some coins, find out how to quickly get more Pokecoins in Pokemon GO!
Is There a Shiny Mega Aggron in Pokemon GO?
You’ll be able to catch a shiny Aggron in the Mega Aggron Raids, which you can then Mega Evolve to be a shiny Mega Aggron.
Check out our ultimate shiny odds guide in Pokemon GO to see your chances of getting a shiny Aggron.