Hero's March: Season One

That fateful battle in the wastes dealt Zack Fair a cruel hand: He barely survives, albeit with permanent injury. Taking advantage of Zack's K.I.A status, Tseng secretly enlists his aid to help free Aerith and Cloud from Shinra's all-encompassing shadow. Zack must use his new identity to protect his friends, all the while they remain ignorant of his survival. AU