No there isn't.
no you have to trade him to evolve him
It won't evolve without trading
There is no level, in order for him to evolve you MUST trade him.
there is no possible way to make him evolve with out trading. you have to trade to make kadabra, haunter, and many others to 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.
no, you have to trade, everybody who tells you something different is lying
in any Pokemon you evolve haunter by trading
You evole haunter by trading it with a friend :D
haunter evolves into genger by being traded you only can it evolve by trading your haunter
Haunter does not evlove unlest traded or you mirate a gengar form your older game pack to get a genger I hope this information was useful for you.You have to trade to evolve him
Haunter evolves into Gengar via Trading.
All of Pokemon evolve without trading EXCEPT- Kadabra Dusclops Electabuzz Haunter Graveler Clamperl Seadra Machoke Magmar Poliwhirl Porygon & 2 Rhydon Scyther Slowbro Onix The list of Pokemon can evolve with trading.