the kanto pokedex YES national not sure but i think you have to trade from ruby or sapphire or something
pokedex or National
It's impossible to complete the pokedex in a couple minutes without cheating you have to do alot of training, trading and breeding which takes hours of work.
You get a ticket to sinnoh and and pokedex entries are expanded
First complete the sinnoh pokedex, 210 Pokemon
the kanto pokedex YES national not sure but i think you have to trade from ruby or sapphire or something
you complete the national pokedex
You gain nothing except the satisfaction of completing the longest Pokedex to date. Talk to Professor Oak after you have completed your Pokedex (which to this day is still not possible without the use of a cheating device.) and he will give you a Up-Grade which is useless now because chances are if you have a complete pokedex you already had a evolved porygon. He will than praise you for completing the task.
pokedex or National
You have to complete the Sinnoh pokedex before haveing the national pokedex.
complete the normal pokedex
you have to try and complete the national pokedex and if you complete the national pokedex you can restart the game.
you have to complete the first pokedex
It's impossible to complete the pokedex in a couple minutes without cheating you have to do alot of training, trading and breeding which takes hours of work.
you have to complete the sinnoh pokedex and get the national pokedex hope i helped :P
You get the national pokedex and a jhoto starter.
complete the sinnoh pokedex