Gastly > lvl 25 > Haunter > trade evolution > Gengar
Chat with our AI personalities
You will need to level up Haunter to level 50 to evolve it in Pokemon Resolute.
You mean how you get Gengar then train a gastly to level 25 it will evolve to Haunter then trade to a friend who has firered or leafgreen your haunter and then take it back when you receive it it will be a gengar.
Haunter evolves through a trade.
you have to trade
no level you have to trade dude