>>19019421Ground-type, definitely.
The Gyms an open pit diamond mine (like Ekati), a pit with five layers, the last one being where I, the Gym Leader stand.
There are at four necessary trainers to beat, since they stand next to the "stairs" to the next layer.
The Gym being outside (like Cheren's), there's a sandstorm that brews.
Badge: Quartz badge, looking like a smoky quartz crystal cluster.
Challenge order: Sixth Gym.
Teams:
Normal: Camerupt, Piloswine, Krokorok, Rhydon.
Rematch: Camerupt, Mamoswine, Krookodile, Rhyperior, Swampert, Torterra.