Mining in the underground, you occasionally can mine Heart Scales. They become less rare after getting the Nat'l Dex.
yes as long as the move is available anywhere in the gamealthough Pokemon is awesome
HM04
youdon't defog is a hm move that is in Pokemon diamond, pearl, and platinum
shroomish!!!!!!!! you have to migrate to get on diamond, pearl and platinum
In Pokemon Diamond and Pearl only, it is on the top floor of the Lost Tower.
Dive is absent in Pokemon pearl,diamond,platinum,heartgold,and soulsilver . But will return in Black/White =-)
move tutor house one heart scale - one move taught
Pal Park
diamond. the legendary has a better special move, and you can get a tyrannitar on there without importing.
you use it on move tutors to teach your Pokemon moves
If you mean battle revoulution for the Wii, than you don't need one but you can move your own Pokemon and use them in the game.
It's not a HM anymore in Pokemon Diamond and Pearl, but it can be bought as a TM in Hearthome City Department.