Trade Haunter and you will get a Gengar.
Evolve a gastly that you can catch in the sprout tower
Haunter evolves by trade
Haunter does not evolve into Gengar at a certain level. Haunter needs to be traded to another player. Once he is traded, he will evolve.
You have to trade the Pokemon to evolve it.
Trade Haunter and you will get a Gengar.
Kadabra, machoke, haunter 'Just trading' - Kadabra; Machoke; Graveler; Haunter.
You trade it at a high enough level
Evolve a gastly that you can catch in the sprout tower
Ghastly evolves into Haunter at level 25. Then Haunter evolves by trading.
Haunter evolves by trade
Haunter does not evolve into Gengar at a certain level. Haunter needs to be traded to another player. Once he is traded, he will evolve.
You have to trade the Pokemon to evolve it.
You will need to level up Haunter to level 50 to evolve it in Pokemon Resolute.
Actually, Haunter does evolve. Its evolves into Gengar when you trade it.
Trade Haunter with any Pokemon to make it evolve!
In order to evolve Haunter, u have to trade and it will evolve into a Gengar.