Ghost type is weak to Ghost type and Dark type moves.
the ghost Pokemon in black and white are Frillish, Jellicent, Litwick, Lampent, Chandelure, Yamask, Golett, Golurk those are the only ghost type Pokemon in Pokemon black and white.
"Invincible" PokemonSo far, only Sableye and Spiritomb (Ghost/Dark types) have no type disadvantages, because Ghost and Dark cover each other's weaknesses.
it's ok but there is alot better ghost pokemon: eg gengar, dusknoir. Thou; Sableye is both ghost and dark, making it one of two Pokemon that doesn't have any type weaknesses.
Ghost-type Pokemon are weak against Ghost and Dark types.
Ghost type is weak to Ghost type and Dark type moves.
You can beat a ghost type with another ghost type (Like Haunter)
Morty has ghost-type Pokemon, it's best to use a Pokemon that know's a dark type attack. Ghost Pokemon do not have many weaknesses but dark is strongest against them.
thunder pokemon
Normal has the least amount of weaknesses with only one fighting but it isn't super effective againist anything and it doesn't effect ghost and ghost type moves do not effect it but otherwise, there a several different Pokemon types which have two weaknesses.
Fantina's Pokemon are weak against Dark and Ghost type Pokemon.
the ghost Pokemon in black and white are Frillish, Jellicent, Litwick, Lampent, Chandelure, Yamask, Golett, Golurk those are the only ghost type Pokemon in Pokemon black and white.
the best two weaknesses are 1:grass 2:water types.
Ghost type Dark type Physic type Fighting type
Weaknesses - Ghost, Dark Resistances - Poison, Bug Immunities - Normal
I know it's weak to Dark type, and I think it's weak to Ghost type but I'm not sure.
"Invincible" PokemonSo far, only Sableye and Spiritomb (Ghost/Dark types) have no type disadvantages, because Ghost and Dark cover each other's weaknesses.