You have to beat team rockets warehouse in mahogony gift shop.
mahogany town
its on seafoam island go up the ladder
Go to the lake of rage and either KO or catch the Red Gyardos
well you go to the place where they make you the new chapion
u need to push the snowballs around and find a path to her like to pryce the seventh gym leader in pokemon soulsilver and heartgold
the seventh gym is at sekka city
there is no 9th gym
go to the seventh leader. -_-
Yes, beating the 7th Gym does not effect getting the secret potion.
you must surf from cinnabar town to the sea form island and you will all so now that artoconois a legendary pokemon which is underground
You CAN NOT become a Gym Leader in Pokemon HeartGold and SoulSilver or ANY MAIN SERIES POKEMON GAME.
An old guy called Pryce, who specializes in ice pokemon.The seventh gym leader is Pryce in Mahogany town.