Fallon has just returned from three months of training and is eager to fight against those who enslaved her. Joining up with Reid and the gang, they set out to prepare for the Vermix's final attack—a highly prophesied invasion that could mean the possible end to a centuries-long war. But when unforeseen events arise, causing the plan of defense to crumble, it will take everything they have to survive what will certainly become a turning point in the Arizal War.