Especially as she used one of the few fire types in the Pokémon Diamond and Pearl games. Empoleon is her strongest Pokémon, and she was featured heavily in a training arc that Platinum went on.

Cresselia first appears in Pokémon Diamond and Pearl ... Cresselia has no known evolutions. (Image: pokemon.com) When you reach the island, you’ll find Cresselia awaiting you in a glade.