Question: pokemon let's go pikachu how to get melmetal?
Answer: In short, Pokemon: Let's Go players will receive a Mystery Box. They will then send it to Pokemon Go where upon opening, Meltan will appear. They will evolve the Mythical Pokemon into Melmetal with 400 Meltan Candies, and then the creature can be transferred back over into Let's Go Pikachu or Eevee.