You have to level up your pokemon a lot and make them stronger.
Beat the Elite Four a second time and come back.
Right. You want the black Pokemon (Zekrom)? Sorry, in Pokemon Black you get the white Pokemon (Reshiram). If you want Zekrom, get Pokemon White. You get it after beating the Elite Four!!! if you want zekrom in pokemon black your going to have to beat the elite four a second time heres a tip catch kyreum,check out great chasm
there are no specific Pokemon that can automatically beat the elite four. HOWEVER, ( i speak from experience) i beat the elite four with one Pokemon whitch was Samurott. i suggest using Samurott 2. hope i helped! :) - Raven
Finish your Pokedex And Beat The Elite Four once then the second time they have stronger Pokemon
beat the elite 4 then beat N and then go to marvoulis bridge an yeah =)
get strong EFFECTIVE Pokemon
keep trying to beat them
no
you have to beat the elite four
You have to beat the elite four. Then beat Ghetsis and N.
You can fight Cynthia in black or white after you beat the elite four and ask for him/her at GTS.
wifi battles battle subway dress up do elite four again link battle (if fiends have pokemon black or white)