No
Well it kinda depends on the legendary Pokemon you want. You will have to be more specific.
you go to three lakes
no. you can get the white one in black and the black one in white.
Rotom, Uxie, Mesprit, Azelf, Dialga, Palkia, Heatran, Regigiggas, Giratina, Cresselia, Phione, Manaphy, Darkrai, Shaymin, Arceus
No,it can't be a partner pokemon.
Monferno has no specific partner pokemon.
6 partner pokemon and more as you level up but in acuallity its only one your main partner pokemon is only one but reg partner pokemon is 6
First of all you have to take Buck, who can be found in the Survival area, through Stark Mountain to the very back. Then you can go to the back again whenever you want and catch Heatran.
You can't get Buizel as a partner Pokemon.
Starly, Munchlax, Pachirisu Are The Partner Pokemon You Can Get.
No,but on Pokemon HeartGold and Pokemon SoulSilver you can have any Pokemon as a partner.
You can get 17 partner Pokemon in all.