Yu - Gi - Oh ! GX - Chapter 012 " Duelist Instinct ! ! " , known as " Duelist Sense ! ! " in the Japanese version , is the twelfth chapter of the " Yu - Gi - Oh ! GX " manga . It was first printed in Japanese in the " V Jump " magazine and in English in the " Shonen Jump " magazine . Both of which were printed in volume 2 of the " Yu - Gi - Oh ! GX " graphic novels afterwards . Summary . Jaden Yuki ' s flashbacks to his childhood and his duel with Koyo Hibiki continues . Jaden has just Summoned " Elemental Hero Bubbleman " . Koyo urges him to show him his best , and Jaden activate s " Bubble Shuffle " , switching " Bubbleman " and Koyo ' s " Elemental Hero Voltic " to Defense Position . It then lets him Tribute " Bubbleman " to Special Summon an " Elemental Hero " in his hand . He Summons " Elemental Hero Bladedge " , which greatly impressed Midori . Jaden attacks with " Bladedge " , but Koyo activates his face - down " Hero Barrier " , negating the attack as he has a face - up " Elemental Hero " on the field . Jaden is disappointed , but Midori comments that he forced Koyo to activate " Hero Barrier " earlier than he may have liked to , as such a card could be vital later in the duel . Koyo chides Midori for the lecture , and she responds she was just giving him such encouragement , with Koyo saying that she shouldn ' t meddle , and her responding that a little advice never hurt . Jaden finds this interaction interesting , saying that as an only child , he ' s never seen it before . Midori offers to be his big sister , and Koyo advises Jaden against it , saying that she ' ll talk his ear off . Koyo draws , telling Jaden that his Summoning of " Bladedge " truly gave him a jump . He Summons " Elemental Hero Heat " and compares the situation to baseball game , saying that there ' s always a chance to come back after the opponent ' s pitch . He activates " Hero Pressure " , which decreases " Bladedge ' s " attack points by 300 for each " Elemental Hero on Koyo ' s side of the field . Thus , " Bladedge ' s " attack points are reduced to 2000 . Koyo attacks with " Voltic " , destroying both monsters . He then attacks directly with " Heat " , dealing Jaden 1600 damage . Koyo states that no matter how powerful a monster is , it can always be defeated by combining cards , even if that monster is called a " God " . Jaden Summons " Elemental Hero Avian " in Defense Position and Sets a card . Koyo activates " Pot of Greed " , drawing two cards , and then activates " Polymerization " , fusing " Heat " with the " Elemental Hero Lady Heat " in his hand to Fusion Summon " Elemental Hero Inferno " in Attack Position . Koyo attacks , and Jaden activates his face - down " Negate Attack " , negating the attack and ending the Battle Phase . Jaden begins his turn , activating the " Skyscraper " Field Spell Card " . He then plays a " Polymerization " of his own , fusing " Avian " with the " Elemental Hero Burstinatrix " in his hand to Fusion Summon " Elemental Hero Flame Wingman " in Attack Position . Featured Duel : Jaden Yuki vs . Koyo Hibiki . " Duel continues from the previous chapter . " Turn 2 : Jaden Jaden activate s " Bubble Shuffle " , switching his " Elemental Hero Bubbleman " and Koyo ' s " Elemental Hero Voltic " to Defense Position . This also lets him Tribute " Bubbleman " to Special Summon " Elemental Hero Bladedge ( 2600 / 1800 ) in Attack Position from his hand . He attack s " Voltic " with " Bladedge " , but Koyo activates his face - down " Hero Barrier " , negating the attack as he control s a face - up " Elemental Hero " . Turn 3 : Koyo Koyo Normal Summon s " Elemental Hero Heat " ( 1600 / 1000 ) in Attack Position , and activates " Hero Pressure " , reducing the ATK of " Bladedge " by 300 for each " Elemental Hero " on Koyo ' s side of the field , to 2000 . Koyo attacks " Bladedge " with " Voltic " , destroying both monsters . He then attacks directly with " Heat " ( Jaden : 4000 → 2400 ) . Turn 4 : Jaden Jaden Normal Summons " Elemental Hero Avian " ( 1000 / 1000 ) in Defense Position and Set s a card . Turn 5 : Koyo Koyo activates " Pot of Greed " , drawing two cards - " Polymerization " and " Elemental Hero Lady Heat " . He activates " Polymerization " , fusing the " Heat " on his field with the " Elemental Hero Lady Heat " in his hand to Fusion Summon " Elemental Hero Inferno " ( 2300 / 1900 ) in Attack Position . He attacks " Avian " , but Jaden activates his face - down " Negate Attack " , negating the attack and ending the Battle Phase . Koyo Sets a card . Turn 6 : Jaden Jaden activates the Field Spell Card " Skyscraper " . He then activates " Polymerization " , fusing the " Avian " on his field with the " Elemental Hero Burstinatrix " in his hand to Fusion Summon " Elemental Hero Flame Wingman " ( 2100 / 1000 ) in Attack Position . " Duel continues in the next chapter " . Featured cards . The following cards appeared in this chapter . Cards in italics debuted here .