In HG/SS for the 15th Gym you have to go to seafoam islands and go inthecave and RIGHT when you get in there is a ladder take that NOT the stairs (the stairs lead to articuno) and up the ladder is the gym
hope that helps :)
P.S. haha i thought the gym wasnt up the ladder so i spent like half an hour trying to find it
Gym Leader Blaine is located in the Seafoam Islands.
You can battle all of the gym leaders out of order in the Kanto Region. Thus, the perspective of the 15th gym leader will change from person to person. Chronologically, Blaine is the 15th gym leader, and he is in the Seafoam Islands, and is up the first ladder you see when you enter.
go to the next gym leader.
Go to the forth gym!
lv 30
It's near the Seafoam Islands.
there is no 9th gym
You CAN NOT become a Gym Leader in Pokemon HeartGold and SoulSilver or ANY MAIN SERIES POKEMON GAME.
walk in
The gym is in Blackthorn City.The gym leader is Clair.
the 15th gym leader in soul sliver is blaine and he uses only fire type pokemon
He has many types.
In Pokémon HeartGold, you can find the 3rd Gym Leader in Goldenrod City.
awww by beating the 7th gym
try beating the gym leader
its in azalea town
mahogany town
Obtain it from a gym leader.