Its pretty simple you have to do some trading with Pokemon black. Trade the tornadus and the vulture looking Pokemon over to white. then if you did the event only sequence and got a shiny entei, raikou, or suicune you go to the forlorn forest and get zororak.once you have both thundarus and tornadus you go to the shrine and get landorus. then go around and get the legendary types all the other Pokemon youll see pretty much by playing through the game.
Since Victini is numbered #000 in the Unova pokedex, I'd say yes, you need or see Victini in order to complete the pokedex
Last time I checked, only in Emerald did you have to capture every Pokemon for the PokeDex to be complete.
you find all the Pokemon
you have to beat the Pokemon champion and later on in the game you will complete it
It is Mismagius.
You have to catch 151 pokemon to complete the pokedex.
Complete the game and then go to Prof. Junipers Lab.
you need to find 210 Pokemon to complete the pokedex
Since Victini is numbered #000 in the Unova pokedex, I'd say yes, you need or see Victini in order to complete the pokedex
Once you have completed the pokedex I think you should try and evolve them all and then get them all to level 100 although its impossible to complete the pokedex without an action replay
Keep battling people, trade!
you have to complete the first pokedex
you can find reshiram in the center of unova when you complete the national pokedex
There is only one legitimate way to complete the Sinnoh Pokedex. To complete the Sinnoh Pokedex you must trade for the missing Pokemon with Pokemon Diamond, Pearl or Platinum.
Tornadus is 641st in the Pokedex.
There are 300 Pokemon in the Pokemon Black 2 and White 2 Unova Pokedex.
Complete the Pokedex