you would have to go through chargestone cave which is north of driftveil city
In a house in Mistralton city.
He is in Mistralton City in the house next to the pokemon center
Mistralton city. It's to the right of the Pokemon center
The Move Deleter in Pokemon Black & White is in Mistralton City.
Follow the Direct Road if that's not enough for you, Go through the route next to Driftveil City, navigate Chargestone Cave, and there you are at Mistralton City.
Mistralton City the house next to the entrance for a heartscale
talk to guy in the pokemon center on mistralton city
You get it at Mistralton Cave
In Pokémon White 2, the 6th Gym can be found in Mistralton City.
Mistralton City
mistralton cave
mistralton cave