Just a certificate saying that you completed the pokedex.
get all the Pokemon in the pokedex then talk to birch
Firered and leafgreen both can catch different Pokemon but there pokedex is the same, here is some examples: magmar only in leafgreen not firered, oddish in firered not leafgreen, ekans in firered not leafgreen, bellsprout in leafgreen not firered, pinsir in leafgreen not firered.
get firered or leafgreen and migrate it to pearl after national pokedex
The only way to get Snubbull on Pokemon LeafGreen is by trading for one from Pokemon Emerald. Snubbull can be found in the Safari Zone extension of Pokemon Emerald which is unlocked by earning the National Pokedex.
the no.36 pokemon is clefable
Just a certificate saying that you completed the pokedex.
see every Pokemon
Go to Google and type in [Pokemon Fire Red Pokedex list] or [Pokemon Leaf Green Pokedex list].AnswerVisit http://bulbapedia.bulbagarden.net/wiki/List_of_Pok%C3%A9mon_by_National_Dex_number and read up to the Sinnoh Pokedex. These are all the Pokemon available in Pokemon FireRed and LeafGreen.
beat the Pokemon league.
You have to trade with firered or leafgreen to get the national pokedex.
beat a trainer and search the Pokemon up in your Pokedex
You have to own 60 Pokemon to get the national pokedex.
get all the Pokemon in the pokedex then talk to birch
YOU NEED TO FIGHT ALL POKEMON AND YOU WILL COMPLETE THE POKEDEX. AND THAT WILL HELP YOU TO GET THE NATIONAL POKEDEX BY TALKIN TO PROFESSOR OAK.
Psyduck. must trade from firered
Firered and leafgreen both can catch different Pokemon but there pokedex is the same, here is some examples: magmar only in leafgreen not firered, oddish in firered not leafgreen, ekans in firered not leafgreen, bellsprout in leafgreen not firered, pinsir in leafgreen not firered.