First of. you need all the other badges and you must've restored the network on One Island. Then, go to the gym in Viridian city ( the first city after you left Pallet Town). People will say that the gym leader is back. Now you only have to enter and defeat the leader. Who his he? That's another question... No you can't restore the network until after beating the elite four you need to beat team rocket where they appear which is mt moon, Pokemon tower, the game corner, silph co and get the 7 badges then you can face the last gym leader.
Spoiler Alert!It's Giovanni, the leader of Team Rocket!
It's the first gym you see in Veridian city. You get it from Giovanni, after you have all other 7 gym badges.
go to viridian city and beat the gym there
The 7th badge is obtained after beating Blaine at the Cinnibar Island gym.
Defeat Giovanni in Viridian Gym. His speciality is Ground Pokémon, so Water/Grass types are useful. Refrain from using Electric, Fire or Rock type Pokémon or moves against him.
the earth badge is located in the game in pokemon yellow
Simply beat Giovanni in Viridian City and get the Earthbadge: it makes all Pokemon obey you.ORAll Pokemon obey you, the badges are for Pokemon traded from other games.
the second badge: Pokemon up to lvl 30 fourth badge: lvl 50 sixth badge: lvl 70 and eighth badge all Pokemon will obey in other words, lvl 2-100 ( because you can't find lvl 1 in that game. I hope this helped you, happy catching!
you cant trade Pokemon diamond pearl with leaf green. You can only do that if you trade Pokemon from leaf green to diamond pearl.
There is no town called Twinleaf Town in Pokemon Leaf Green, only in Pokemon Diamond and in Pokemon Pearl.
You must trade with Pokemon Leaf Green, or Pokemon Collosseum.
in gym durr
Give the hm or TM to your Pokemon
It is your rival from Pokemon fire red and leaf green versions.
beat the gym leader
leaf
You can get Pollywhirl in Pokemon Leaf Green in Virdian City.
The Pokemon you can get in fire red and not leaf green are Electabuzz and Scyther.
you can't get mamoswine in Pokemon leaf green because it doesn't exist in leaf green
Simply beat Giovanni in Viridian City and get the Earthbadge: it makes all Pokemon obey you.ORAll Pokemon obey you, the badges are for Pokemon traded from other games.
go right out of pewter and a guy will giv u runin shoes then go through mt moon
its very simple trade to fire red and back to leaf green if that doesn't work you have to get every gym badge.
there is no Pokemon green leaf and Pokemon leaf green you can't only diamond pearl platinum heartgold soulsilver and maybe black and white