HM Waterfall. You can find it in Ice Cave, between Mahogany Blackthorn
No!
There is no such thing as a legend stone in pokemon.
There is no such thing as mew three
there is no such thing it just a sick joke
No such thing dude you should know that!
thee is no thing called rock stone
Yoshi is from Mario games. There is no such thing unless hacked.
More legendaries like Pokemon Heartgold and Soulsilver.
beat all voltorbs ( or they are electrodes, whatever)
It is a thing that you give Electabuzz so when you trade it it evolves into Electivire.
The only thing it does is make your Pokemon happy it is not necessary but useful
There is no such thing as a Crystal Onix. It only exist in the anime.