Best Pokémon to defeat Groudon in Pokémon GO

The strongest Pokémon to use against Groudon are: Primal Kyogre, Mega Rayquaza, Mega Sceptile, Mega Swampert, Sky Forme Shaymin, Shadow Kyogre, and Mega Blastoise. We suggest a minimum group size of 3 - 7 Trainers to defeat Groudon in a 5-Star Raid.
Simulation settings






Group size
You need at least 3 Trainers to defeat a Groudon in a 5-Star Raid.
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- Minimum group size: 3 Trainers
- Optimal group size: 4 - 7 Trainers
- Very easy with: 8+ Trainers
- Probably impossible with less than 3 Trainers
Groudon CP range from Raids
Groudon can be caught with the following Combat Power after being defeated in Raids:
- From 2260 CP to 2351 CP, with no weather boost
- From 2825 CP to 2939 CP with Sunny weather boost