Meltan

“It melts particles of iron and other metals found in the subsoil, so it can absorb them into its body of molten steel.”

— Pokémon Lets Go Pikachu

“It dissolves and eats metal. Circulating liquid metal within its body is how it generates energy.”

— Pokémon Sword

“They live as a group, but when the time comes, one strong Meltan will absorb all the others and evolve.”

— Pokémon Shield