The latest trailer revealed a brand new Pokémon called Melmetal. It is a Steel-type Pokémon. This Pokémon is the evolution of Meltan and is the first Mythical Pokémon with the ability to evolve. Melmetal has a new move called Double Iron Bash which strikes an opponent twice and can cause the opponent to flinch. Meltan will only evolve into Melmetal in Pokémon GO. To evolve it, you will need 400 Meltan Candies. You can bring Melmetal you’ve evolved in Pokémon GO to Pokémon: Let’s Go, Pikachu/Eevee.