Their young lives forever change after their first encounter with Biometal, a substance that stores the data of a Reploid or human. Vent and Aile use the M.E.G.A. (Meta-Encapsulated Granule Awareness) System, to activate the Biometals and change into a form similar to what the Biometal was based off of. They use the Biometals to defend themselves and others from Mavericks. In French, Vent means "Wind" and Aile means "Wing".