Im prettly sure once you own all 151 Pokemon you'll receive some sort of diploma by Professor Oak
Well when you SEE all 150 Pokemon prof. Oak will give you a deploma then go to cinnibar island and head inside and talk to bill...and be ready for an adventure!! Then when you own all 150 Pokemon you can get the mystic ticket! (which you can only get in an event) this allows you to get ho-oh and lugia! yipee
You only get a diploma for catching them all.
you be come the Pokemon master
its actually 150 Pokemon and you get a diploma from a guy in celadon city that does nothing
Congrats for first second go to prof oak just watch what happens it will scare you.
trade with leaf green. some Pokemon can only be found in one game and not the other.
Nothing prof oak thanks you and that's it.
I have caught the 150 original Pokemon myself and all I got was some praise from Oak, but if you are talking about all on the national Pokedex, then I have no idea!
Professor Oak gives you a diploma...that's pretty much it.
theres 150 pokemon until you get the national deck after beating the game then it will show all 386
go to prof. oak and i think he has a surprise for you. that's all i know.
To unlock the survival area first u must get the national dex by seeing all 150 pokemon.:):)