Fighting types and Bug types. Certain dark Pokemon are also immune to electric types.
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Dark Pokemon are immune to Psychic types. They're weak against Fighting and Bug Types, and resist Dark and Ghost Types.
The only weakness there is a Ground-type Pokémon.
As of Generation 5 only the pokemon Spiritomb has no weakness because of the dual-type Ghost/Dark.
Bug, dark and ghost.
Ghost-type Pokemon are weak against Ghost and Dark types.
Dark Pokemon are Psychic Pokemon's weakness.
Ghost-type Pokemon are weak against Ghost and Dark-type moves.
The only weakness there is a Ground-type Pokémon.
guys i think pysic pokemons had weakness to normal type normal Pokemon have a weakness to physic Pokemon Kulmblach789 Pysic Poke have a weakness to dark ATks
As of Generation 5 only the pokemon Spiritomb has no weakness because of the dual-type Ghost/Dark.
Bug, dark and ghost.
Ghost-type Pokemon are weak against Ghost and Dark types.
Dark Pokemon are Psychic Pokemon's weakness.
Psychic Pokemon are weak to Dark Type attacks
Skuntank is a Poison and Dark type pokemon.
The only weakness I can think of is dark. you! ^_^ Dark, and Bug, i think. Maybe more. But Psychic doesn't affect dark, so... Good Luck!
fire type is weak against palkia it is a water and dragon type Pokemon
dark, bug, and ghost are all super effective against psychic type pokemon.