if you have a medicham you can trade a girl in snowpoint city for a hunter and it'll evolve into a gengar. Or, you can trade a hauntur with another trainer and it will evolve.
You have to find your friend, you trade your Haunter with another Pokemon and when the trade is done Haunter will evolve.
Any level! You just have to trade it, to evolve it!
You have to trade with a friend at a pokemon center. I suggest trading kadabra for hunter. They will both evolve.
You cannot evolve without trading, you should just trade with lots of people until you get a gangar
you have to trade with a person his hunter with you then he will evolve
if you have a medicham you can trade a girl in snowpoint city for a hunter and it'll evolve into a gengar. Or, you can trade a hauntur with another trainer and it will evolve.
you have to trade him and trade him back
You have to find your friend, you trade your Haunter with another Pokemon and when the trade is done Haunter will evolve.
To get GENGAR you trade with someone and after the trade is complete haunter will evlove into gengar
To evolve haunter u have to trade it. As soon as it is traded it will evolve into Gengar.
Any level! You just have to trade it, to evolve it!
You need to trade it to another game to evolve it, it's okay if you trade it back afterwards.
Hunter dosent evolve at a specific level it evolve if u trade him.No item is necessary to hold.
Just trade it you don't need an item!
IT is a trade evolution.
gastley evolve's at level 25 trade hunter to get gangare