You will need to level up Haunter to level 50 to evolve it in Pokemon Resolute.
Chat with our AI personalities
You have to trade the Pokemon to evolve it.
Trade Haunter with any Pokemon to make it evolve!
Yes. The pokemon is Haunter. In order to evolve Haunter you will have to trade him with a friend and he will evolve. Just trade back to get Gengar.
Haunter evolves when traded
Trade Haunter and you will get a Gengar.