you find it in the Pokemon mansion
The 7th gym leader in fire red is Blaine in Cinnabar Island.To unlock The gym, u must go 2 the pokemon mansion,search the gym key in the basement.
There is no gym leader called Pryce.
You need the secret key found in Pokemon mansion.
You have to go into Pokemon mansion. Find the key in the basement.
The fourth gym leader is Erika, the Grass trainer.
The eighth gym leader is in Viridian City. It is the team rocket's leader!
the leader of team rocket
beat everyone in silph.co and you can get into the saffron gym
He is in Vermilion City!!!
geovanni is the gym leader hes easy to beat if u have water Pokemon
Go to Viridian city and beat Giovanni,the gym leader
Well go to pallet town surf down and you'll reach a town with the next gym (fire type gym). The door will be locked but you get the key from the burnt mansion. Hope this helped.