Haunter evolves by trading. But if you are trading with the girl in the top left house of snowpoint city (medichan for haunter (lv35)) it will be holding an everstone.
25 into Haunter and then if u trade Haunter he evolves into Gengar
You evolve it into Haunter at Level 25. To evolve Haunter into a Gengar, you need to trade it.
Actually, Haunter does evolve. Its evolves into Gengar when you trade it.
You trade haunter to get gengar.
Haunter evolves when traded
Gastly evolves into Haunter at level 25, then trade it and it will evolve again into Gengar.
you must trade your haunter to evolve it into a gengar
you have to trade him. If you have anyother questions on Pokemon go to serebii.net.
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
You have to trade haunter to a friend to evolve it.
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.
Haunter does NOT evolve by level. You evolve Haunter by trading it with a friend, and then they trade it back to you. Hope I helped :)Haunter evolves from Gastly at level 25.Haunter evolves into Gengar through trade.Haunter evolves into Gengar by trading it.