yes if it doesn't have an everstone
Gastly evolves at level 25.
Gastly evolves into Haunter at level 25, then trade it and it will evolve again into Gengar.
You don't need to get a gastly to evolve because you can catch haunters in Pokemon tower
when its level 8.you wont see it in the the moves so just evolve it from gastly. gastly evolves at level 25.It shouldn't take that long....
I'm not sure. But if you catch a Gastly in either Burned Tower (Ecruteak City) or in Sprout Tower (Violet City) and train it, you Gastly will evolve into Haunter at level 25. To get Gengar, trade your Haunter and it becomes Gengar.
gastly evolve on level 25
Gastly evolves at level 25.
Gastly evolves into Haunter at level 25, then trade it and it will evolve again into Gengar.
Level 25
To evolve Gastly into Haunter just get it up to level 25.
Gastly evolves at LV. 25
It evolves into Haunter at Level 25.
Gastly evolves to Haunter at level 25.
Gastly evolves at Level 25.
Gastly evolves at level 25.
He evolves at level 25.
25