stop playing pokimon you f a gg ot !!!!!!!!!!!!!!
Have a strong fire type pokemon.
get action replay!
The first gym in Pokemon diamond is in Oreburgh City
the fifth gym on Pokemon diamond is the one in herthome city,
Go into her Gym and make it through the maze. She battles with Ghost Pokemon, watch out for the Mismagius.
He is the first Gym Leader you meet and he is in Oreburg City, through the passage east of Jubilife.
use Pokemon diamond/peral/platinum's effect calculator and find out what the gym leaders weakness is
The seventh gym in Pokemon Diamond, Pearl, and Platinum is located in Snowpoint City, which is to the East of Lake Acuity.
The Pokémon the second Gym Leader has in "Diamond" are Cherubi, Turtwig and Roserade.
the gym leaders are the same as they are on pearl and diamond. but the order you fight the gym leaders are different. Turtwig would be the easiest way through the game.
hearthome gym. you know where that is.
you beat the gym leader