Time for the final POTW. To tie in with the end of Gen V, and Halloween, it's Spiritomb!
In Gen V, Spiritomb has no weakness and significant defences
http://www.serebii.net/pokedex-bw/442.shtml
Go nuts
In Gen V, Spiritomb has no weakness and significant defences
http://www.serebii.net/pokedex-bw/442.shtml
Go nuts