first you need to beat a red gyrados or catch it. so then the league master will come then beat team rocket again.
cinnabar island. he will go to the gym after getting all the 7 kanto gym badges
Blackthorn Gym she leads with Dragon Pokemon.
The 5th Gym is in Cianwood City in Pokemon Gold, Silver, and Crystal.
where is the 4 gym for Pokemon gold
The 5th Gym is in Cianwood City.
In gym number seven
In her Gym
You go to the 6th gym.
u have to have 7 gym badges
On pokemon Heart Gold and Soul Silver you can battle him if you got the another 7 gym badges then go to Viridian city and go to his gym then battle him
The 5th Gym is in Cianwood City in Pokemon Silver, Gold, and Crystal.
Pokemon ruby where is the 6 gym