Yu - Gi - Oh ! GX - Episode 089 " The Darkness Within " , known as " Hell Kaiser VS Darkness Fubuki " in the Japanese version , is the eighty - ninth episode of the " Yu - Gi - Oh ! GX " anime . It first aired in Japan on June 14 , 2006 and in the the United States on January 31 , 2007 . Summary . During lunch at the Slifer Red dormitory , Jaden , Hassleberry and Chazz learn from Syrus that Zane has just returned to Duel Academy . Meanwhile , Atticus has also returned , under request from Chancellor Sheppard . After learning of Zane Truesdale ' s birthright and his theft of the Cyber Art - Reverse Deck ( " Underworld Deck " in the English dub ) , Atticus agrees to Duel Zane , as Sheppard hopes that Atticus can help Zane abandon the dark path he has chosen to walk . Remembering that he was once controlled by evil , Atticus brings Zane to the now - extinct volcano , reminding Zane that Nightshroud battled Jaden in a Shadow Duel here , and then reveals that he plans to use his " Red - Eyes " Deck in their Duel , in hopes of convincing Zane to accept that a Dark path is a terrible one to be taken by a respectable Duelist — even if Atticus runs the risk of resurfacing Nightshroud again . The Duel begins , and Atticus takes an early lead with a combo of " Red - Eyes Black Dragon " and " Inferno Fire Blast " , bringing Zane down to 1600 Life Points . As Atticus ends his turn with 1 Set card , Zane mocks him with the belief that Nightshroud may have helped him use that recent powerful combo . Atticus declares that he won ' t be controlled , just before he feels the dark aura of Nightshroud seeping from his Duel Disk . Zane begins his turn , revealing the first of the new monsters in his Cyber Art - Reverse Deck : " Cyberdark Horn " , which , when Normal Summon ed , can equip itself with a Dragon - Type monster from either player ' s Graveyard , if it is Level 4 or below and then add the amount of the ATK of the equipped monster to its own ATK . He equips " Cyberdark Horn " with " Red - Eyes B . Chick " ( which Atticus used to summon " Red - Eyes B . Dragon " in his first turn ) and uses " Megamorph " to double its original ATK , which brings its ATK to 2400 , equal to the ATK of " Red - Eyes B . Dragon " . Even though this is the case , Zane attacks , because if a " Cyberdark " monster would be destroyed in battle while equipped with a Dragon , the Dragon can be destroyed in its place . However , Atticus ends Zane ' s Battle Phase with " Negate Attack " , which prompts Zane to Set 1 card and end his turn . Atticus begins his turn , and just as he draws his card , he feels the Dark aura of Nightshroud becoming stronger , while also hearing Nightshroud ' s laughter within his head . Despite this , he Tribute s " Red - Eyes B . Dragon " and Special Summon s " Red - Eyes Darkness Dragon " . Once the monster is summoned to the field , Nightshroud ' s Dark aura grows stronger . Elsewhere , Jaden is celebrating his latest victory in the Genex Tournament , when he suddenly sees " Red - Eyes Darkness Dragon " at the location of the extinct volcano . He learns from Syrus and Hassleberry that Zane is Dueling Atticus , so all three of them rush to the volcano site to investigate . Back at the site of the Duel , Atticus explains that , with " Red - Eyes B . Dragon " in his Graveyard , " Red - Eyes Darkness Dragon " gains 300 ATK , bringing it to 2700 , as its ATK rises by 300 for every Dragon - Type monster in his Graveyard . " Darkness Dragon " attacks , and Zane is down to 1300 Life Points , but " Cyberdark Horn " has been unharmed , as " Red - Eyes B . Chick " was destroyed in its place . However , now " Darkness Dragon " has gotten stronger , as its ATK has increased another 300 , to 3000 , because " Red - Eyes B . Chick " is back in Atticus ' s Graveyard . Atticus ends his turn with " Super Rejuvenation " , drawing 1 card for the Dragon he had tributed in his last turn . Once he ends his turn , he again hears Nightshroud ' s laughter in his head . Zane begins his turn , changing " Cyberdark Horn " to Defense Position and summoning " Cyberdark Edge " alongside it . With " Cyberdark Edge " on the field , it equips itself with " Red - Eyes B . Chick " again , causing " Red - Eyes Darkness Dragon " to lose 300 ATK and bring it down to 2700 . " Cyberdark Edge " is able to attack directly by halving any Battle Damage it inflicts . As a result , Atticus loses 800 Life Points , bringing him down to 3200 , and Zane Sets 1 card to end his turn . Atticus feels Nightshroud ' s aura growing stronger as he begins his turn , activating " Dragon Heart " , which disallows him to Normal Summon or Set a monster , but he can send 3 Dragon - Type monsters ( " Troop Dragon " , " Mirage Dragon " , and " Attachment Dragon " ) to the Graveyard from his Deck , increasing the ATK of " Red - Eyes Darkness Dragon " from 2700 to 4600 — 1000 ATK from " Dragon Heart " , and 900 ATK from its own effect . However , before he can attack , Atticus feels himself losing control , but tells himself that he must not lose — not before he brings Zane out of the Darkness with him . He attacks with " Darkness Dragon " , just as Jaden , Syrus , and Hassleberry arrive to witness the Duel . As the attack goes through , " Red - Eyes B . Chick " is destroyed in place of " Cyberdark Edge " , and everyone thinks Atticus has won — everyone except Zane , who reveals that he had activated " Power Wall " to reduce the Battle Damage to 0 by sending 30 cards from his Deck to the Graveyard . ( In reality , he ' d thrown them out of his Deck onto the ground , to show his disrespect for Dueling and for his opponents . ) Upon seeing Zane show such blatant disrespect for his Deck , Atticus decides that Zane can ' t be helped , before Nightshroud possesses him again . Nightshroud takes over for Atticus and plays " Dragon ' s Gunfire " , which he uses to destroy " Cyberdark Edge " before ending his turn , declaring that Zane can do little with only 3 cards left in his Deck . However , Zane proves him wrong by fusing " Cyberdark Horn " , " Cyberdark Edge " , and " Cyberdark Keel " ( Zane , earlier in his turn , used " Call of the Haunted " to revive " Cyberdark Edge " ) into " Cyberdark Dragon " , who equips itself with " Red - Eyes B . Dragon " from Nightshroud ' s Graveyard , and then gets even stronger with every card Zane has in his own Graveyard . This monster destroys " Red - Eyes Darkness Dragon " and wins Zane the Duel while also freeing Atticus from Nightshroud ' s influence . However , upon recovering from Nightshroud ' s control , Atticus is surprised when he hears from Zane that Zane is not being controlled by the Darkness . Zane explains that he wishes to gain strength from the deepest Darkness , strength where the Light can ' t reach — and all for the purpose of gaining victory . As Zane walks away and past Syrus without accepting Atticus ' s Genex Medallion , Syrus promises himself to defeat his brother in a Duel . Featured Duels . Zane Truesdale vs . Atticus Rhodes . Turn 1 : Atticus Atticus ' s hand contains " Inferno Fire Blast " , " Red - Eyes Darkness Dragon " , " Red - Eyes Black Dragon " , and " Negate Attack " . Atticus draws " Red - Eyes B . Chick " and subsequently Normal Summons it ( 800 / 500 ) in Attack Position . He then send s " Red - Eyes B . Chick " to the Graveyard in order to Special Summon " Red - Eyes Black Dragon " ( 2400 / 2000 ) from his hand in Attack Position . Atticus then activates " Inferno Fire Blast " to target " Red - Eyes Black Dragon " and inflict damage to Zane equal to the original ATK of " Red - Eyes Black Dragon " ( Zane 4000 → 1600 ) , however " Red - Eyes Black Dragon " will not be allowed to attack this turn . Atticus Set s a card . Turn 2 : Zane Zane draws " Cyberdark Horn " and subsequently Normal Summons it ( 800 / 800 ) in Attack Position . Zane then activates the effect of " Cyberdark Horn " to target the " Red - Eyes B . Chick " in Atticus ' Graveyard and equip it to " Cyberdark Horn " as well as increase the ATK of " Cyberdark Horn " by the equipped monster ' s ATK ( " Cyberdark Horn " : 800 → 1600 / 800 ) . Zane then activates " Megamorph " , equipping it to " Cyberdark Horn " and doubling its original ATK since Zane has less Life Points than Atticus ( " Cyberdark Horn " : 1600 → 2400 / 800 ) . " Cyberdark Horn " attacks " Red - Eyes Black Dragon " , but Atticus activates his face - down " Negate Attack " to negate the attack and end the Battle Phase . Zane Sets a card . Turn 3 : Atticus Atticus draws " Super Rejuvenation " . He then Tribute s " Red - Eyes Black Dragon " to Special Summon " Red - Eyes Darkness Dragon " ( 2400 / 2000 ) in Attack Position . Due to the effect of " Red - Eyes Darkness Dragon " , it gains 300 ATK for each Dragon - Type monsters in Atticus ' Graveyard ( " Red - Eyes Darkness Dragon " : 2400 → 2700 / 2000 ) . " Darkness Dragon " attacks " Cyberdark Horn " , but Zane destroys " Red - Eyes B . Chick " to prevent " Cyberdark Horn " from being destroyed in battle ( Zane 1600 → 1300 ) ( " Darkness Dragon " : 2700 → 3000 / 2000 ) . Atticus then activates " Super Rejuvenation " , which will let Atticus draw 1 card from his Deck for each Dragon - Type monster that was discarded and / or Tributes this turn . During the End Phase , Atticus draws 1 card as per the effect of " Super Rejuvenation " . Turn 4 : Zane Zane draws . He then switches " Cyberdark Horn " to Defense Position . Zane then Normal Summons " Cyberdark Edge " ( 800 / 800 ) in Attack Position . Zane then activates the effect of " Cyberdark Edge " to target the " Red - Eyes B . Chick " in Atticus ' Graveyard and equip it to " Cyberdark Edge " as well as increase the ATK of " Cyberdark Edge " by the equipped monster ' s ATK ( " Cyberdark Edge " : 800 → 1600 / 800 ) ( " Red - Eyes Darkness Dragon " : 3000 → 2700 / 2000 ) . " Cyberdark Edge " attacks directly via its own effect at the cost of halving the Battle Damage Atticus takes ( Atticus 4000 → 3200 ) . Zane Sets a card . Turn 5 : Atticus Atticus draws " Dragon Heart " and subsequently activates it to send " Troop Dragon " , " Mirage Dragon " and " Attachment Dragon " from the top of his Deck to the Graveyard and increase the ATK of " Red - Eyes Darkness Dragon " by 1000 ( " Darkness Dragon " : 2700 → 3700 → 4600 / 2000 ) , however Atticus can ' t Normal Summon or set any monsters this turn . " Red - Eyes Darkness Dragon " attacks " Cyberdark Edge " , but Zane activates his face - down " Power Wall " to send a number of cards from the top of his Deck to the Graveyard and decrease the Battle Damage he would take by 100 for each card discarded this way . Zane sends the top thirty cards of his Deck to the Graveyard in order to completely nullify the Battle Damage he would have taken . Zane then destroys " Red - Eyes B . Chick " to prevent " Cyberdark Edge " from being destroyed in battle ( " Darkness Dragon " : 4600 → 4900 / 2000 ) . At this point , Nightshroud takes control of Atticus . Nightshroud activates " Dragon ' s Gunfire " and chooses to activate its second effect to destroy " Cyberdark Edge " as its DEF is at most 800 . At the End Phase , the effect of " Dragon Heart " expires ( " Darkness Dragon " : 4900 → 3900 / 2000 ) . Turn 6 : Zane Zane draws . He then activates his face - down " Call of the Haunted " to Special Summon " Cyberdark Edge " ( 800 / 800 ) from his Graveyard in Attack Position . Zane then Normal Summons " Cyberdark Keel " ( 800 / 800 ) in Attack Position . Zane then activates " Polymerization " to fuse " Cyberdark Edge " , " Cyberdark Horn " , and " Cyberdark Keel " together and Fusion Summon " Cyberdark Dragon " ( 1000 / 1000 ) in Attack Position . Zane then activates the first effect of " Cyberdark Dragon " to target the " Red - Eyes Black Dragon " in Nightshroud ' s Graveyard , equip it to " Cyberdark Dragon " , and increase its ATK by the ATK of " Red - Eyes Black Dragon " ( " Cyberdark Dragon " : 1000 → 3400 / 1000 ) ( " Darkness Dragon " : 3900 → 3600 / 2000 ) . Due to the effect of " Cyberdark Dragon " , its ATK increases by 100 for each card in Zane ' s Graveyard . There are currently thirty - seven ( " Cyberdark Dragon " : 3400 → 7100 / 1000 ) . " Cyberdark Dragon " attacks and destroys " Red - Eyes Darkness Dragon " ( Nightshroud 3200 → 0 ) . Jaden Yuki vs . Unknown Duelist . Duel already in progress . Jaden controls " Elemental Hero Burstinatrix " ( 1200 / 800 ) in Attack Position , while his opponent controls no cards . Jaden ' s turn " Burstinatrix " attack s directly ( Opponent ? → 0 ) . Featured cards . The following cards appeared in this episode . Cards in italics debuted here .