i think tyranitar is the best dark pokemon, then honchkrow and then umbreon.
dark Pokemon are
i only know a few but ghost, dark, flying, pokemon are good against psychic but phychic pokemon are good against fighting, bug, and doesnt affect dark pokemon
A dark type Pokemon or a powerful dark type move is good. Ghost types work particularly well too
fire Fire and Dark
Dark-type Pokemon are weak to Bug and Fighting moves. So your Ice Pokemon should have some of those.
Dark types are really good on ghost types
which elite four are you referring to. use bug and fightning move to defeat dark pokemon.
any Pokemon that is a dark type any Pokemon that is a dark type
i don't now were to find it but gengar is good
Fighting Pokemon are good against Ice, Normal, Rock, Dark, and Steel Pokemon.
there arent dark Pokemon in any Pokemon game.
You can not get dark Pokemon on Pokemon diamond and pearl