Changes

In search of the Subterra energy, she and Lync head to Earth, though they first went to find a disguise for her. Her "disguise" only ended up attracting more attention, though&mdash;she'd chosen a white tuxedo made for weddings. They eventually found battled Runo and Mira and won.<ref>"[[Earth Invaders]]"</ref> Later, she and Shadow return to Earth in search of the remaining attribute energies. They figure out the Resistance's hiding place by tracking [[Billy Gilbert]] through his gauntlet and following him to [[Marucho's House]], though they fail to obtain any of the energies.<ref>"[[Virtual Insanity]]"</ref>

In response to this third failure, Zenoheld has [[Clay Fermin]] develop the Alternative Weapon System in order to destroy Earth and Vestal. Though she and Volt both disapprove of this turn of events, Mylene chooses to stay while Volt decides to quit the Vexos despite her warnings. Her last words to him are that he'll ''"Have to look over his shoulder all the time,"'' but she nonetheless wishes him luck and calls him ''"my friend".'' After hearing about Volt's disposal, she appears saddened.<ref>"[[Volt's Revolt]]"</ref>