To celebrate the debut of the two new Ultra Beasts during the "Test Your Mettle" Event, heavy armor plating in Pokémon GO. Moreover, its ATK stat of 206 means it is more than capable of dishing devastating damage to its opponents. Therefore, understanding Mega Aggron's weaknesses is essential for victory in the Raid.

As a Steel-type Pokémon, Mega Aggron can withstand attacks from many elemental types, including Normal-, Flying-, Rock-, Bug-, Steel-, Grass-, Psychic-, Ice-, Dragon-, Fairy-, and Poison-type Moves. On the other hand, Mega Aggron is weak to Fighting-, Ground-, and Fire-type abilities in Pokémon GO. Accordingly, players should form a Raid party with pocket monsters that can utilize these three elements in their Movesets.

Related: Pokémon GO: Galarian Weezing Raid Guide (Best Counters & Weaknesses)

damage output against the Mega Raid Boss. However, those who do not have such rare choices can still utilize more common Pokémon like the ones presented in the index below.

How To Counter Mega Aggron In A Pokémon GO Raid

How To Counter Mega Aggron In A Pokémon GO Raid

No.

Pokémon

Type

Evolution Requirements

Best Fast Move

Best Charge Move

1

Lucario

Fighting

  • Evolve Riolu with 50 Candy.

Counter

Aura Sphere

2

Conkeldurr

Fighting

  • Evolve Timburr and Gurdurr with 250 Candy.

Counter

Dynamic Punch

3

Machamp

Fighting

  • Evolve Machop and Machoke with 125 Candy.

Counter

Dynamic Punch

4

Excadrill

Ground and Steel

  • Evolve Drilbur with 50 Candy.

Mud-Slap

Earthquake

5

Emboar

Fire and Fighting

  • Evolve Tepig and Pignite with 125 Candy.

Low Kick

Blast Burn

6

Blaziken

Fire and Fighting

  • Evolve Torchic and Combusken with 125 Candy.

Counter

Blast Burn

7

Darmanitan

Fire

  • Evolve Darumaka with 50 Candy.

Fire Fang

Overheat

8

Chandelure

Ghost and Fire

Fire Spin

Overheat

9

Garchomp

Dragon and Ground

  • Evolve Gible and Gabit with 125 Candy.

Mud Shot

Earth Power

10

Breloom

Fighting and Grass

  • Evolve Shroomish with 50 Candy.

Counter

Dynamic Punch

11

Hariyama

Fighting

  • Evolve Makuhita with 50 Candy.

Counter

Dynamic Punch

12

Rhyperior

Rock and Ground

  • Evolve Rhyhorn and Rhydon with 125 Candy.
  • A Sinnoh Stone is required.

Mud-Slap

Earthquake

Source: Pokebattler