As mentioned before, you need to level your Gastly up to Level 25 to evolve it into its first stage evolution, Haunter. Evolving it should be even easier if you try to find a high-leveled Gastly ...

If you catch Gastly and want to manually evolve it, it’ll evolve to Haunter at Level 25. How to evolve into Gengar in Pokemon Legends Arceus.

Whether or not players allow it to evolve, Blossom’s Pokémon is level 25 at the time of trading and knows the moves Payback, Spite, Curse, and Hex. It also has Ghost as its Tera Type, which ...

Level up Gastly to level 25. If you didn’t manage to find a Haunter, that’s fine. Get a Gastly on your team and level it up until it reaches level 25, where it’ll evolve into a Haunter.

Gastly→ Haunter → Gengar: 1st Evo level: 25: 2nd Evo level: When traded: Pokedex Entry: ... When should I evolve Gastly? It evolves at level 25, but it learns a good move at level 40.

Gengar starts out as a Gastly, which will then evolve into a Haunter upon reaching a certain level. Luckily, there are tons of Gastly and Haunter roaming through the Pokemon Tower at Lavender Town.

Gengar, Gastly’s evolution, ... These values will, however, be different if you’re currently below Level 30. Is Gengar good in PVP? Gengar is the OG (original ghost, obviously).

If you are catching the former, know Gastly evolves into Haunter starting at Level 25. How to evolve Haunter into Gengar in Pokémon Scarlet and Violet.