How to evolve Haunter in Pokémon Legends: Z-A

Everyone wants to evolve Haunter in Pokémon Legends: Z-Ato finally get their beloved Gengar. However, the Gengar evolution line is special, in the sense that it works a little differently when compared to your average Pokémon evolutions. Rather than just leveling up your Haunter, you’ll need to complete a couple extra steps.