Gastly evolves into Haunter once it reaches level 25 or higher.
Gastly evolves at level 22 then Haunter evolves by trading it.
Gastly evolves once it reaches level 18. It evolves into a Haunter. To evolve Haunter into a Gengar, you must trade it to another player.
Gastly evolves to Haunter at lv25. And Haunter evolves to Gengar after trading.
Gastly evolves to Haunter at level 25. Then, Haunter evolves into Gengar by being traded.
You have to trade the Pokemon to evolve it.
Gastly evolves at level 20 into Haunter
Gastly evolves at level 22 then Haunter evolves by trading it.
Gastly evolves once it reaches level 18. It evolves into a Haunter. To evolve Haunter into a Gengar, you must trade it to another player.
Gastly evolves into Haunter at level 25, then trade it and it will evolve again into Gengar.
In order to evolve Haunter, u have to trade and it will evolve into a Gengar.
Gastly evolves to Haunter at level 25.
Gastly evolves to Haunter at lv25. And Haunter evolves to Gengar after trading.
Gastly Lvl.25>Haunter Trade>Gengar
Ghastly to Haunter is 25. Haunter to Gengar you'll have to trade it with a friend.
evolve gastly.
In Pokémon Platinum, you can catch Haunter by evolving a Gastly or by finding one in the wild. Gastly can be found in the Old Chateau, specifically in the room with the TV on the second floor. After capturing a Gastly, you can evolve it into Haunter at level 25. Alternatively, you can trade for a Haunter from another player, as it evolves from Gastly through leveling up.
Gastly evolves to Haunter at level 25. Then, Haunter evolves into Gengar by being traded.