The underground started in diamond and pearl so there is no underground in crystal.
Hey man, whats up? Im fine thanks
That means you didn't get the 3rd badge yet.
When you get the last badge, Dc. Elm will call you saying that he has something for you, go to him and he'll give you the Master Ball :)
ALL and i mean ALL types of poke-mon unless your poke-mon is like at least i dont know mab 20-30 levels highr which is kinda hard but dragon, dark, flying, fire, electric all tyepes without all of them its kinda hard even if the poke-mon your battleing iz like 40 levels below you if its a poke-mon that your weak to your gonna need a poke-mon that that poke-mon is weak to so all types of poke-mon will help you along the way. GOOD LUCK!!!!!!
poke ee mon
under the water
a poke mon with big balls
yes
poliwag?
buy them from the poke mart if you have a lot of money.
Celadon City
in Cerulean City