Fantina's Mismagius is Fantina's strongest Pokémon.
Mismagius had been trained for contests as well as battles and was a powerful fighter and talented in contests since it was a Misdreavus. It first appeared when Fantina was battling Zoey where it defeated her Glameow.
Fantina used Mismagius as her second Pokémon in her gym battle against Ash. Mismagius battled Ash's Chimchar and proved to be a formidable opponent but was finally defeated by the powerful Fire type.