Outside, head off to the Pokémon Center and heal up. Head east from the Center to the entrance to the Great Marsh, and talk to the Galactic Grunt who is hanging near here to eavesdrop on his conversation. He will run away shortly after. Follow him right and talk to him. As he runs away, your Rival (Barry) will approach you from behind, and you will be thrown into another battle.
Chat with our AI personalities
The safari zone in Pastoria
find him in pastoria town
You can find it at great marsh,pastoria does this help?
The only place you can find them is in the poke-mart in Pastoria City, by talking to the woman on the left.
You can find Defog in Pastoria city. Go to the Great Marsh and near the beginning, talk to the girl and she gives you it.