elektross
You can't
Eelektross has no type weaknesses. Though Electric, it is immune to Ground-type attacks because of its ability Levitate. However, if Eelektross' ability is negated or changed, then Ground-type attacks will do twice as much damage.
Cofagrogus elektross bisharp boufflant hydreigon seismitoad
You'll need to use a Thunder Stone on a Elektrik.
If you can't find it, involve electrik into elektross.
zebstrika (from blitzle), elektross , and garvantula
Cofagrigus, Bouffalant, seismitoad, bisharp, elektross, and hydreigon.
It doesn't evolve through levels use a thunderstone
well you can find it in icirrus city while swimming in the water :)
Tynamo will evolve into Elektrik will evolve into Elektross with a thunderstone in Pokemon White.
emboar unfezant krookidile elektross esclavier and haxorus