How to evolve Gastly in Pokémon Scarlet
Best answer
PokeMasterJen
Evolving Gastly in Pokémon Scarlet is pretty straightforward. All you gotta do is level it up to 25. Once Gastly hits level 25, it'll start evolving into Haunter. Just keep battling and gaining XP, and you'll have a Haunter in no time!
Best answer
PokeMasterJen
Evolving Gastly in Pokémon Scarlet is pretty straightforward. All you gotta do is level it up to 25. Once Gastly hits level 25, it'll start evolving into Haunter. Just keep battling and gaining XP, and you'll have a Haunter in no time!
All answers
EvolutionSkeptic
Incorrect. Gastly evolves at level 25, not by trading. Just make sure you're giving your Gastly enough battle time and it will evolve eventually.
GottaCatchEmAll
Just catch a Gastly and level it up to 25. Boom, evolution. No tricks, no secrets, just good old leveling.
RealLifeTrainer
I evolved my Gastly into Haunter just by leveling it up! Was super excited; took it to level 25, and it started evolving right before my eyes. So yeah, just level it up.
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