Water, for one, either ghost or dark or both. Water for sure.
grass types
Flying and psycic
Dark Pokemon are Psychic Pokemon's weakness.
The weakness of electric type Pokemon is ground type Pokemon.
Rock Pokemon's weakness is water types so in the game choose the water starter
its only weakness is dragon
The weakness of flying type Pokemon is Ice, Electric and Rock.
Ground is electrics only weakness.
there weakness is Grass,water and rock
Fraxure is the Dragon Type, so it's super effective against Dragon and Ice Types.
As of Generation 5 only the pokemon Spiritomb has no weakness because of the dual-type Ghost/Dark.
The weakness of Mightena is Fighting And Bug types Pokemon!!