Where to find clay in Pokemon black 2?

In Pokémon Black 2, you can find Clay by battling him in the game. He is the Gym Leader of the Driftveil City Gym, specializing in Ground-type Pokémon. To encounter him, you need to navigate through the gym's puzzle and defeat him in battle to earn the Quake Badge. Additionally, Clay is involved in the storyline related to Team Plasma, appearing in various locations throughout the game.