During this time , he pilots OZ - 13MS Gundam Epyon .
After witnessing the Sanc Kingdom fall a second time and becoming disillusioned , Zechs accepts the rebel organization White Fang 's offer to become its leader .
During this time , Zechs pilots OZ - 13MS Gundam Epyon .
After witnessing the Sanc Kingdom fall a second time and becoming disillusioned , Zechs accepts the rebel organization White Fang 's offer to become its leader .