Fighting and Bug
Ghost and Dark attacks are super effective against Ghost type pokemon.
Darkrai = Dark-type, Fighting is super effective against dark.
Fighting and Bug types are super effective.
No. Ghost and Dark is super effective to Psychic Pokemon. Fire is super effective to Grass, Steel, Bug, and Ice.
If your Reffering to pokemon,its fighting a bug
Both Fighting types and Bug types are super effective against Dark types.
Ghost and Dark-type Pokemon are super effective against Ghost types.
Fighting and Bug
Ghost and Dark moves would be super-effective against a ghost Pokemon.
Dark type moves such as night shade,shadow punch,etc.are super effective against dark Pokemon.
Psychic Pokemon are Super effective by Bug type, Dark type and Ghost types
fighting, and bug