Ghost or dark pokemon
Ghost and Dark-type Pokemon are super effective against Ghost types.
Ghost and Dark attacks are super effective against Ghost type pokemon.
Ghost-type Pokemon are weak against Ghost and Dark-type moves.
I believe Dark and Ghost types are weak against Ghost types. Ghost types may not be, but I think they are.
Ghost-type Pokemon are weak against Dark and Ghost-type attacks. Any type can damage a Ghost-type, except Normal and Fighting-type attacks.
ghost or dark types
Ghost and Dark-type Pokemon are super effective against Ghost types.
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.
Ghost-type Pokemon are weak against Ghost and Dark types.
Fantina uses Ghost types. Ghost type moves are not very effective against Dark and Steel types. Dark and Ghost type moves are super-effective against Ghost types.
There are 3 types that work best against psychic Pokemon: Bug,Rock,Ghost, and Dark.
Ghost and Dark attacks are super effective against Ghost type pokemon.
Ghost-type Pokemon are weak against Ghost and Dark-type moves.
Ghost-type Pokemon are weak against Ghost and Dark-type moves.
Yes, Ghost type is supper-effective against Psychic and other Ghosts.
Using Dark or Ghost type moves against it
Yes. Ghost moves are super effective against Ghost type pokemon.