Originally Posted by -Pichu Boy-
I don't think it's a move, but rather the rocks are meant to be like that, like the whole cave is electrified for some reason. That makes me think that it'd be a prime place to find Nosepass/Probopass.
And potentially some new cave dwelling Electric types perchance? Plus your bog standard cave Pokemon, like Geodude and *shudders* Golbat.