you battle the elite four in the indigo plateau
To face the Elite 4 a second time, you need to have: Met with Lorelei on Island 4. Completed the Ruby/Sapphire plot (involving Rockets.) Lorelei will return to the Elite 4 and you can then face them again.
a lot of Pokemon with very high levels :)
To get the second Elite Four, you must have already defeated the Elite Four the first time, and the second time you go to fight them, they will all be leveled up, and become the 'Second Elite Four'.
You can't. Once you've conquered the Elite Four the first time, they do get stronger, but the strongest one you face is Blue's (your rival's) starter at Level 75.
No, you do not have to face the Elite 4 twice in Pokémon Black but in the event of wanting to face Alder, the Pokémon League Champion then you will need to face them twice since you will not be able to battle Alder the first time through.
you fimd Zekrom after you beat the elite four the first time but before you face team plasmas leader N.
It surrounds the Elite Four, you can only go there after you beat the Elite Four the first time.
After you beat the elite four, wally is in the victory road cave, just inside exit. You can still battle him there from time to time.
You have to train your Pokemon to at least lv 70 and then beat them the first time and go back and face them again.
you can't face him a third time
Yes there is You can only get there after you defeat the Elite Four. ..... Go to the Safari Zone and run around. The number of steps per time is 600. ...... Place any level 60 Pokemon second, the Pokemon you want to gain the experience third, ..
well just go to the place that the elite 4 is at and do what you did the first time