At level 200
trade it then it will evolve
Gastly > lvl 25 > Haunter > trade evolution > Gengar
In Pokémon FireRed, Gastly evolves into Haunter at Level 25.
Haunter evolves during trade.
You have to trade haunter to a friend to evolve it.
Gastly evolves to Haunter at level 25.
Gastly > lvl 25 > Haunter > trade evolution > Gengar
You mean how you get Gengar then train a gastly to level 25 it will evolve to Haunter then trade to a friend who has firered or leafgreen your haunter and then take it back when you receive it it will be a gengar.
graveler haunter an some others some holding items some not
No. you will have to trade it, if you want a Gengar. this is the same, with Graveler to Golem, or Kadabra to Alakazam.
Haunter doesn't evolve at any level to evolve your haunter you need to do a link trade with a friend and he he will then evolve
Have to train a gastly to evolve into haunter trade it to a friend and take it back boom its gengar.the only possible way to get a gengar in Pokemon fire red is to trade a haunter and then it will evolve into gengarThe only way to get a Gengar in Pokemon Firered Version is to trade a Haunter with another game.To actually have a gengar trade a haunter to a friend take it back to receive gengar. Agatha has two gengars if you want to see it.