Yu-Gi-Oh! GX Episode 89 English Dubbed Episode Title:The Darkness Within.Episode Description:Chancellor Sheppard asks Atticus to help free Zane from the darkness. After agreeing to it, Atticus challenges Zane to a duel, but taps into the dark powers he once as Nightshroud, planning to match Zane's darkness with his own, reawakening Nightshroud. Zane unleashed his new Cyber Dark deck and defeats Nightshroud, breaking his hold on Atticus in the process. Zane reveals he wasn't taken over by darkness as they think; he simply gained a new philosophy not to show mercy. Syrus promises to defeat his brother and make him come to his senses.