Veridian city the gym leader id Giovanni
Battle the 7th Gym Leader,stupid!
The city were you help the man with no, coffe the first city.
You cannot get it in Pokemon FireRed. It doesn't matter because it is not necessary in Pokemon FireRed.
The 8 badges for Pokemon Red are: Boulder Badge, (Brock) Cascade Badge, (Misty) Thunder Badge, (Lt. Surge) Rainbow Badge, (Erika) Marsh Badge, (Sabrina) Soul Badge, (Koga) Volcano Badge, (Blaine) and Earth Badge. (Giovanni)
Deoxys
the seventh gym badge snowpoint gym
you have to fight elite4.
8.
go to a Pokemon event
At Sootopolis City.
you need to go from lavender town (via rock tunnel) west to route 8 and go through the underground path.
you need to beat the 8 gym leaders