How do you get the 15th gym badge in soul silver?

Answer 1

This badge is the Volcanobadge if you go in order if you go south from pallet town you can go to cinnibar island talk to the kid there it is the last gym leader he will leave now go east and go in the cave challenge Blaine and beat him to get the badge now go to viridian city and challenge the last gym leader Blue for the 16th badge.
Go to the seafoam islands from cinnibar and go up a ladder

Answer 2

There is no such thing there are only 8 badges

IN Johto Region

1. Violet City 1
2. Azalea Town 2
3. Goldenrod City 3
4. Ecruteak City 4
5. Cianwood City 5
6. Olivine City 6
7. Mahogany Town 7
8. Blackthorn City 8

In Kanto Region

1. Vermillion City 9
2. Saffron City 10
3. Cerulean City 11
4. Celadon City 12
5. Fuchsia City 13
6. Pewter City 14
7. Cinnabar Island (Seafoam Island) 15
8. Viridian City 16

Answer 3

Assuming that the 15th Gym badge (according to the chronological order of the gym leaders) is Blaine, you must surf east of Cinnabar Island and enter the Seafoam Islands. Follow the first ladder you see when you enter. That is Blaine's gym.

Answer 4

In chronological order, the 15th badge is Blaine's Volcano Badge. You have to go to the Seafoam Islands and go up the first ladder you see in the middle of the room. Remember, you don't have to do any gym in order, except for the last one, so the 15th badge can refer to almost any Kanto gym.

Answer 5

the 15th badge is blaine's badge and he is located in the sea foam islands because a volcano eurpted on cinnabar island

he trains fire types

Answer 6

You must go to johto