You will need give the move reminder a Heart Scale and have Haunt or Gengar relearn the move, for they can't learn it by leveling up.
You'll need to trade for a Haunter in order for it to evolve into Gengar.
Gastly evolves into Haunter at level 25, then trade it and it will evolve again into Gengar.
you have to trade a haunter and it will evolve into gengar.
You cant. You have to catch a gastly then envolve it to haunter then trade with someone and trade back haunter will envolve to gengar!
Have someone trade you a haunter.
You'll need to trade for a Haunter in order for it to evolve into Gengar.
OF COURSE!! you'll need to trade an haunter to a friend, and haunter will evolve TO GENGAR
If you just trade the haunter with no items it will evolve to gengar now take it back so that you have the gengar. You can't evolve a haunter by migrating it.
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.
Gastly evolves into Haunter at level 25, then trade it and it will evolve again into Gengar.
you have to trade a haunter and it will evolve into gengar.
To get a Gengar, you must trade a Haunter and it will then evolve into a Gengar.
Gengar! I have a lvl 100 Gengar! He's AWESOME!
It is Gengar.
It evolves at lv.15 and can then learn shadow punch.
You trade haunter to get gengar.
Yes. Haunter evolves into Gengar when traded.