Marlon's Jellicent was only seen shortly in battle, where it battled Cameron's Ferrothorn. Marlon's Jellicent used Shadow Ball on Ferrothorn, but Ferrothorn shrugged i off and used used Thunderbolt on Jellicent, which resulted in a knockout. However, before he fainted, his Cursed Body Ability disabled it, making him defenseless against Mantine.
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|Shadow Ball +||The Road to Humilau!|
|+ indicates this Pokémon used this move recently.*|
- indicates this Pokémon normally can't use this move.