There is not a strategy to beat them,so the only advice i can give you is try to get all of your Pokemon to level 52,or try super effective hits,The elite four has a psychc,ghost,ground,and fighting type trainer. I really hope you beat the elite four trainer.
actually, it is psychic,ghost,dark,fighting
You just get legendary Pokemon I guess
Yes. You can capture it after you beat the elite four.
Yes. You can capture it after you beat the elite four.
You can fight Cynthia in black or white after you beat the elite four and ask for him/her at GTS.
You can't get mightyena in black without trading. In white you can catch a poochyena and evolve it, but you have to beat the elite four.
wifi battles battle subway dress up do elite four again link battle (if fiends have pokemon black or white)
You need to beat the elite four before you can get Zekrom.
at N's caslte (note after you beat the elite four(not the champian))
You can't unless you use the Black/White Action Replay.
there are many, but an easy one is lillipup.
The Elite Four in Pokemon Black/White is quite simple to beat (in comparison to the other games), but what you have to do next is defeat N, the the leader of the Seven Sages, whatever his name was.
Its actually at the bottom of the Pokemon league. Beat the elite four first to access it.