Best Pokémon to defeat Mega Aggron in Pokémon GO

The strongest Pokémon to use against Mega Aggron are: Mega Lucario, Primal Groudon, Mega Garchomp, Mega Blaziken, Shadow Groudon, Shadow Heatran, and Shadow Excadrill. We suggest a minimum group size of 4 - 9 Trainers to defeat Mega Aggron in a Mega Raid.
Simulation settings






Group size
You need at least 4 Trainers to defeat a Mega Aggron in a Mega Raid.
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- Minimum group size: 4 Trainers
- Optimal group size: 6 - 9 Trainers
- Very easy with: 10+ Trainers
- Probably impossible with less than 4 Trainers
Mega Aggron CP range from Raids
Mega Aggron can be caught with the following Combat Power after being defeated in Raids:
- From 2284 CP to 2378 CP, with no weather boost
- From 2856 CP to 2973 CP with Snow weather boost