Yu - Gi - Oh ! GX - Episode 027 " Grave Risk , Part 1 " , known as " The Extra - Curricular Lesson is a Duel of Darkness ! ? ( First Part ) " in the Japanese version , is the twenty - seventh episode of the " Yu - Gi - Oh ! GX " anime . Summary . Syrus Truesdale awakens to use the bathroom in the middle of the night . However , he enters the wrong door , and nearly steps into Professor Banner ' s room . He hears him talking to someone via a computer , who mentions something about a test and about students being buried in graves . Banner seems reluctant to go along with the plan , but eventually agrees . In class the next day , Banner gives an alchemy demonstration , and the experiment blows up in his face . Banner then hands out forms detailing his plans to take a trip to the ancient ruins on the island . Only Jaden , Syrus , Chumley Huffington and Alexis Rhodes opt to take the trip , though Banner forces the former three to do so . Alexis says that she ' s read about the ruins , and that they have a shady past , and there was some suggestion of Shadow Game s taking place there . She believes they could have some connection to her brother ' s disappearance . Syrus is worried about what he overheard previously , but Jaden shrugs it off . When they arrive outside the ruins , Jaden suggests they sit and eat lunch before continuing on . Banner claims he had a special treat made by Ms . Dorothy , but then he discovers that Pharaoh stowed away in his backpack and ate his lunch , much to his horror . Banner asks his students if they could share their lunch with him , but they refuse . Pharaoh then uncovers a rune of the ground featuring the Eye of Wdjat . He presses , it activating its power . Green beams of light shoot out , and the sun appears to split into three , while the sky turns into a vortex of colors . Winged Kuriboh appears , and tells Jaden to run . Everyone takes cover in a small hole in the base of the ruins , except for Jaden , who insists he ' ll be fine and runs off . A flash of light blinds him , and when he awakens , he finds the ruins look completely new . The broken archway at the entrance is pristine , and the main ruins have been replaced with a . Thinking he ' s dreaming , he tells Winged Kuriboh pinch him . It does so , and Jaden finds that Winged Kuriboh has somehow taken physical form . A woman interrupts them , telling them they are standing on sacred ground , and must hide to avoid capture . She pushes Jaden against a wall to keep him from being seen , and tells him his friends are already prisoners . After the guards pass , she informs him that anyone who sets foot in the gravesite without permission is buried alive in it . Jaden urges her to take him to where his friends are being held , and she agrees , stating that he ' s been warned . They arrive close to the site , and she tells him to wait in a hallway so he doesn ' t end up captured . He waits , and then hears someone nearby call for help . He hoists himself up to look out a window , and sees Syrus , Chumley , Alexis and Banner wrapped in bandages , except for their heads , trapped in coffins with the lids ajar . He ' s forced back to the ground by a group of guards and the Gravekeeper ' s Chief introduces himself . He declares his intention to execute them all by burying them alive , but agrees to pardon them if Jaden can defeat him in a challenge , and he reveals a Deck . They take their places on top of opposite stone walls , with a large pit in between them , at the bottom of which are the coffins containing Jaden ' s group . The Chief ' s Duel Disk appears to be made out of stone , and the " blades " of a normal disk are magically materialized onto to the disk , though only a single , longer blade is used . The Chief takes the first turn , Set ing a monster . Jaden Summons " Elemental HERO Bubbleman " , drawing two cards via its effect , and Sets a card . The Chief Summons " Gravekeeper ' s Soldier " and then Flip Summon s his " Gravekeeper ' s Guard " , whose effect lets him return " Bubbleman " to Jaden ' s hand . Both monsters attack directly , leaving Jaden with 1500 Life Points . Jaden finds that the pain he feels is real , and these monsters are not holograms as he ' s used to . Jaden draws " Polymerization " and plays it , fusing " Elemental HERO Avian " and " Elemental HERO Burstinatrix " to Fusion Summon " Elemental HERO Flame Wingman " . He attacks and destroys " Spear Soldier " , with " Flame Wingman ' s " effect activating , inflicting the destroyed monster ' s attack points as damage to the Chief . Between the attack and effect , the Chief is reduced to 1900 Life Points . Jaden Summons " Wroughtweiler " in Defense Position to end his turn . The Chief switches " Guard " to Defense Position , and also Sets a monster . " Flame Wingman " attacks and destroys " Guard " , with its effect reducing the Chief to 900 Life Points . The Chief plays " Pot of Greed " , drawing two cards , and then Summons " Gravekeeper ' s Assailant " in Attack Position , who appears to be the woman who saved Jaden earlier . The Chief Flip Summons " Gravekeeper ' s Curse " , whose effect inflicts 500 damage to Jaden . The Chief then activates the " Necrovalley " Field Spell Card , which will increase the attack of all his " Gravekeeper ' s " monsters by 500 . He attacks " Flame Wingman " with " Assailant " , whose effect allows him to switch the targeted monster to Defense Position . " Curse " destroys " Wroughtweiler " , and Jaden is unable to activate its effect , as it is negate d by " Necrovalley " as it targets a card in the Graveyard . Featured Duel : Jaden vs . Gravekeeper ' s Chief . Turn 1 : Gravekeeper ' s Chief < br > Chief draws . He then Set s a monster . Turn 2 : Jaden < br > Jaden draws . He then Normal Summons " Elemental HERO Bubbleman " ( 800 / 1200 ) in Attack Position . Since Jaden summoned " Bubbleman " while he had no other cards on his side of the field , its second effect activate s , letting him draw two cards . Jaden then Sets a card ( " Transcendent Wings " ) . Turn 3 : Gravekeeper ' s Chief < br > Chief draws " Gravekeeper ' s Spear Soldier " and subsequently Normal Summons it ( 1500 / 1000 ) in Attack Position . He then Flip Summon s " Gravekeeper ' s Guard " ( 1000 / 1900 ) to Attack Position . Since " Gravekeeper ' s Guard " was flipped face - up , its Flip Effect activates , returning " Bubbleman " to Jaden ' s hand . " Gravekeeper ' s Guard " and " Gravekeeper ' s Spear Solder " attack directly ( Jaden 4000 → 3000 → 1500 ) . Turn 4 : Jaden < br > Jaden draws " Polymerization " and subsequently activates it to fuse " Elemental HERO Avian " with " Elemental HERO Burstinatrix " in order to Fusion Summon " Elemental HERO Flame Wingman " ( 2100 / 1200 ) in Attack Position . " Flame Wingman " attacks and destroys " Gravekeeper ' s Spear Soldier " ( Chief 4000 → 3400 ) . Since " Flame Wingman " destroyed a monster by battle and sent it to the Graveyard , its effect activates , inflicting damage to the Chief equal to the ATK of his monster ( Chief 3400 → 1900 ) . Jaden then Normal Summons " Wroughtweiler " ( 800 / 1200 ) in Defense Position . Turn 5 : Gravekeeper ' s Chief < br > Chief draws . He then switches " Gravekeeper ' s Guard " to Defense Position and Sets a monster . Turn 6 : Jaden < br > Jaden draws . " Flame Wingman " attacks and destroys " Gravekeeper ' s Guard " . The effect of " Flame Wingman " then activates ( Chief 1900 → 900 ) . Turn 7 : Gravekeeper ' s Chief < br > Chief draws " Pot of Greed " and subsequently activates it to draw two cards ( " Necrovalley " and " Gravekeeper ' s Assailant " ) . The Chief then Normal Summons " Gravekeeper ' s Assailant " ( 1500 / 1500 ) in Attack Position . He then Flip Summons " Gravekeeper ' s Curse " ( 800 / 800 ) to Attack Position . Since " Gravekeeper ' s Curse " was summoned , its effect activates , inflicting 500 damage to Jaden ( Jaden 1500 → 1000 ) . The Chief then activates " Necrovalley " . Now all Gravekeeper monsters will gain 500 ATK and DEF ( " Gravekeeper ' s Assailant " : 1500 → 2000 / 1500 → 2000 ; " Gravekeeper ' s Curse " : 800 → 1300 / 800 → 1300 ) and any card effect that takes a card ( s ) , besides the card that the card effect belongs to , out of their Graveyard and moves it to a different place will be negated . " Gravekeeper ' s Assailant " attacks " Flame Wingman " . Chief then activates the effect of " Gravekeeper ' s Assailant " to switch " Flame Wingman " to Defense Position . " Gravekeeper ' s Assailant " destroys " Flame Wingman " . " Gravekeeper ' s Curse " attacks and destroys " Wroughtweiler " . Jaden tries to activate the effect of " Wroughtweiler " to add an " Elemental Hero " and " Polymerization " from his Graveyard to his hand , but " Necrovalley " negate s that effect . " Duel continues in the next episode " . Featured cards . The following cards appeared in this episode . Cards in italics debuted here .