Underground once you've talked to 22 people.
Well nothing other then if you use foresight or oder sleuth then the ghost type is disabled and they can now be hit by fighting moves and seeing as there a dark type as well it's super effective
Disable their ghost type with oder sleuth and since they are part dark use fighting type moves. .
You catch it with a Ultra Ball.
Near Solaceon Town, there is a crumbled down tower. If you put the Odd Keystone in it go underground and talk to 32 people. Hikers who give you goods, orbs, or traps don't count. After you did that, talk to the tower and Spiritomb appears.
Dark type on ghost types
Nothing is super affective against sable ye
Electric
I don't know, I don't play those games, and don't know anyone that does. I am sorry hon. Wish I could help you out.
What's a spiritomb? I don't think that's a digimon or a yu-gi-oh but I think you should Jesus