Heracross was loaned by Alva to Jessie for capturing Magearna. Jessie had Heracross evolve into its Mega-evolved state and attack Ash and others to capture Magearna, however, it was quickly defeated by Volcanion.
|Struggle Bug||Volcanion and the Mechanical Marvel|
|Megahorn||Volcanion and the Mechanical Marvel|
|+ indicates this Pokémon used this move recently.*|
- indicates this Pokémon normally can't use this move.
- ^ MS019: Pokémon The Movie - Volcanion and the Mechanical Marvel, Heracross has a butterfly-shaped horn
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