Originally Posted by austbot
Acctualy what i/he meant was that if you fainted enough of one pokemon (in all the areas it appers) that profeser oak would call you and yell at you cause wild pokemon cant go to the pokemon center. So they would eventualy go extinct and never be seen in the wild again :/
Go to your friends house and give him a kick from my part for being such a fool :D
But no they cannot get extinct nor dissapear and whatever comes to your head.