It evolves only by trading.
You have to trade it to another game, and then back to yours. You don't have to trade it twice.
When you trade it, it evolves.
Need more information?
http://bulbapedia.bulbagarden.net/wiki/H…
To evolve haunter u have to trade it. As soon as it is traded it will evolve into Gengar.
by trading it from one person to another person. hope it helps
Hunter
Fire Stone Causes Vulpix to evolve into Ninetales. Causes Growlithe to evolve into Arcanine. Causes Eevee to evolve into Flareon. Causes Pansear to evolve into Simisear. Water Stone Causes Poliwhirl to evolve into Poliwrath. Causes Shellder to evolve into Cloyster. Causes Staryu to evolve into Starmie. Causes Eevee to evolve into Vaporeon. Causes Lombre to evolve into Ludicolo. Causes Panpour to evolve into Simipour. Thunder Stone, Causes Pikachu to evolve into Raichu. Causes Eevee to evolve into Jolteon. Causes Eelektrik to evolve into Eelektross. Leaf Stone Causes Gloom to evolve into Vileplume. Causes Weepinbell to evolve into Victreebel. Causes Exeggcute to evolve into Exeggutor. Causes Nuzleaf to evolve into Shiftry. Causes Pansage to evolve into Simisage. Moon Stone Causes Nidorina to evolve into Nidoqueen. Causes Nidorino to evolve into Nidoking. Causes Clefairy to evolve into Clefable. Causes Jigglypuff to evolve into Wigglytuff. Causes Skitty to evolve into Delcatty. Causes Munna to evolve into Musharna. Sun Stone Causes Gloom to evolve into Bellossom. Causes Sunkern to evolve into Sunflora. Causes Cottonee to evolve into Whimsicott. Causes Petilil to evolve into Lilligant. Shiny Stone Causes Togetic to evolve into Togekiss. Causes Roselia to evolve into Roserade. Causes Minccino to evolve into Cinccino. Dusk Stone Causes Murkrow to evolve into Honchkrow. Causes Misdreavus to evolve into Mismagius. Causes Lampent to evolve into Chandelure. Dawn Stone Causes male Kirlia to evolve into Gallade. Causes female Snorunt to evolve into Froslass. Ever Stone If held, prevents a Pokémon from evolving.
No. You cannot evolve it even if it is level 100.
you have to trade with a person his hunter with you then he will evolve
They evolve by trading.
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.
yes by trading
you can't
Hunter dosent evolve at a specific level it evolve if u trade him.No item is necessary to hold.
To evolve Gastly into Haunter just get it up to level 25.
you and a friend link up an trade hunter for hunter then both of you get the relly strong pokemon ginggar
45
Haunter doesn't evolve at a level. It evolves by trading with another trainer.
Any level! You just have to trade it, to evolve it!
gastley evolve's at level 25 trade hunter to get gangare