When you first beat the Elite Four, you will find that N has beaten the champion Alder, but after beating N in his castle, he will fly away on Reshiram and Alder will return to being the champion. But I personally (others agree) think that N is the champion. After all, he did beat Alder. But if you want fact and not opinion, Alder is the champion.
trainer n he beats alder
When youre versing the champion
Sorry but no. Maybe they will have a fight with N in Pokemon BLACK WHITE 2
Kinda, not really, ya can't find it anywhere but after you did the pokémon league alder will send you back to N and he will give it to you but you have to fight him again first and if you lose then you wont be able to get curse ever again
at N's castle or dragonspiral tower
The League champion in the games are N, the Team Plasma king. Also there is Alder the Pokemon black and white champion
The Champion in Pokemon Black and White is only after you have defeated N and Ghetsis For the final time. Then the second time you battle the Elite Four/Pokemon League, You will battle Champion Alder. All his Pokemon are Lv 75.
trainer n he beats alder
Sadly, alder.
you dont battle alder n becomes the champion so you battle him then (if you beat him) you battle ghetsis.
When youre versing the champion
After defeating N you can go back to the Pokemon league and batle him.mHis Pokemon are at about level 75 so you should battle him with about pokemon in there lvl 80s or 90s.
you get him after the elite 4 and you have to find the light stone first which is the rock on display in necrene cities museum and that N guy get zekrom and you fight him instead of Alder the champion
Well first you have to have all the gym badges, then you go to the Pokemon League. Then after you defeat the elite 4, you go to where the champion is. When you get there, you find that N has defeated the Champion already and now N is the champion. Then N's castle rises out of the ground around the Pokemon league, then a stairway appears that you take to N's castle so that you can stop him.
Defeat N. Defeat Ghetsis. Battle Elite Four AGAIN. Battle Alder. AND MUCH MUCH MORE!
You meet Zekrom in N's castle. You have to beat the elite four and make it to the champion to be able to get to N's castle.
You have to get the white orb. then when you beat the elite four and go to alder n is there. later when you battle him reshiram comes out of the orb I hope this helped! :) rabidrabit