Gastly evolves to Haunter at level 25.
In Pokémon FireRed, Gastly evolves into Haunter at Level 25.
Gastly > lvl 25 > Haunter > trade evolution > Gengar
Gastly > lvl 25 > Haunter > trade evolution > Gengar
Gastly is unobtainable in Pokemon Ruby. You need to trade one from Pokemon Firered or Leafgreen.
Gastly evolves at Level 25.
Gastly evolves at level 25.
Yes
Gastly, Haunter and Murkrow.
Gastly evolves at level 20 into Haunter
Gastly Lvl.25>Haunter Trade>Gengar
Getting Geinger in PokemonCatch a Gastly in the Pokemon tower in lavender after you get the silph scope, evolve it into a haunter, then trade i it to a friend, then get it back. It evovles through a link cable.
Level 25