Yami Yugi and Seto Kaiba ' s Duelist Kingdom Duel Yami Yugi and Seto Kaiba faced each other in a game of " Duel Monsters " , during the Duelist Kingdom tournament , in the " Yu - Gi - Oh ! " anime . It is based on a similar duel from the " Yu - Gi - Oh ! " manga . Prior Events . After Seto Kaiba finds his brother Mokuba Kaiba , Maximillion Pegasus interrupts the reunion and uses the power of his Millenium Eye to seal Mokuba ' s soul into a card . He then offers Kaiba 5 star chips and an ultimatum : If he can beat Yugi in a duel he will be allowed to duel Pegasus , then if he wins that duel he will return Mokuba ' s soul to his body . With no choice , Kaiba agrees to the terms . Outside , Yugi Muto and his friends not only get out of the cave , they discover that they arrived at Pegasus ' Castle . Tea thinks about how there could be two Yugi ' s and thinks back to when she not only met Yugi , but how his alter - ego saved her life . As soon as they are about to walk up the stairs , they see Kaiba at the top , who declares he wants a rematch with Yugi . Reluctantly he accepts . Featured Duel : Yami Yugi Vs . Seto Kaiba . Turn 1 : Seto Kaiba Kaiba Draws . He Normal Summon s in Attack Position . His hand contains " Battle Ox " , " Saggi the Dark Clown " , " Ancient Lamp " , and " Blue - Eyes White Dragon " . Turn 2 : Yami Yugi Yugi Draws . He Normal Summons in Attack Position . " Curse of Dragon " attack s and destroy s " Ryu - Kishin Powered " ( Kaiba : 2000 → 1600 LP ) . Yugi ' s hand contains " Multiply " , " Monster Replace " , " Dark Magician " , and " The Eye of Truth " . Turn 3 : Kaiba Kaiba draw s in Attack Position . Since a monster was destroyed by battle during the previous turn , " Swordstalker " gains ATK equal to 20 % of its original ATK ( " Swordstalker " : 2000 → 2400 / 1600 ) . " Swordstalker " attacks " Curse of Dragon " , but Yugi activate s " Monster Replace " to return " Curse of Dragon " to his hand and Special Summon in Attack Position . Since " Swordstalker ' s " original attack target has left the field , the attack is negate d . Turn 4 : Yami Yugi Yami Yugi Draws . " Dark Magician " attacks and destroys " Swordstalker " ( Kaiba : 1600 → 1500 LP ) . Yugi then Normal Summons in Attack Position . Turn 5 : Kaiba Kaiba draws in Attack Position . Turn 6 : Yami Yugi " Dark Magician " attacks " La Jinn " , but Kaiba activates " Ancient Lamp " to redirect the attack to " Curse of Dragon " , destroying it instead ( Yugi : 2000 → 1500 LP ) . Turn 7 : Kaiba Kaiba draw s " De - Spell " and subsequently activate s it to destroy Yugi ' s " Swords of Revealing Light " . Turn 8 : Yami Yugi Yugi draws " Mystic Box " . He then activates " The Eye of Truth " to see Kaiba ' s hand . Kaiba ' s hand is shown to contain " De - Spell " , " Ancient Lamp " , " Saggi the Dark Clown " , and " Blue - Eyes White Dragon " . Yugi then activates " Mystic Box " to destroy " Ancient Lamp " . " Dark Magician " attack s and destroys " La Jinn " ( Kaiba : 1500 → 800 LP ) . Turn 9 : Kaiba Kaiba draws " Crush Card Virus " . He then Normal Summon s in Defense Position and Set s 1 card . Turn 10 : Yami Yugi Yugi recalls " Dark Magician " back into his hand . He draws in Attack Position . " Gaia " attacks and destroys " Saggi " . Kaiba then activates " Crush Card Virus " to destroy every monster that has 1500 or more ATK on Yugi ' s side of the field and hand . As a result , " Gaia the Fierce Knight " and " Dark Magician " are destroyed . Every other monster in Yugi ' s Deck that has 1500 or more ATK is rendered useless . Turn 11 : Kaiba Kaiba draws a card and passes his turn . Turn 12 : Yami Yugi Yugi draws " Summoned Skull " , which he cannot use because of " Crush Card Virus " . Yugi Normal Summons in Defense Position . Turn 13 : Kaiba Kaiba draws his second " Blue - Eyes White Dragon " . Kaiba Normal Summons in Attack Position . " Battle Ox " attacks and destroys " Silver Fang " . Kaiba ' s hand contains " Gift of the Mystical Elf " and " Blue - Eyes White Dragon " . Turn 14 : Yami Yugi Yugi ' s hand contains " Mammoth Graveyard " , " Multiply " and " Horn of the Unicorn " . Yugi draws in Attack Position . He then activates " Horn of the Unicorn " and equip s it to " Griffore " , increasing its ATK and DEF by 700 ( " Griffore " : 1200 → 1900 / 1500 → 2200 ) . " Griffore " attacks and destroys " Battle Ox " ( Kaiba : 800 → 600 LP ) . Turn 15 : Kaiba Kaiba draws his third " Blue - Eyes White Dragon " . Kaiba then activates " Gift of the Mystical Elf " to increase his Life Points by 300 for every monster on the field , and there is one ( Kaiba : 600 → 900 LP ) . Kaiba then Normal Summons in Attack Position . " Blue - Eyes White Dragon " attacks and destroys " Griffore " ( Yugi : 1500 → 400 LP ) . Turn 16 : Yami Yugi Yugi draws . He then Normal Summons in Defense Position . Yugi ' s hand contains " Mammoth Graveyard " , " Multiply " and " Polymerization " . Turn 17 : Kaiba Kaiba draws " Polymerization " and subsequently activates it to fuse the " Blue - Eyes " on his side of the field with the two " Blue - Eyes " in his hand and Fusion Summon in Attack Position . " Blue - Eyes Ultimate Dragon " attacks and destroys " Giant Soldier of Stone " . Turn 18 : Yami Yugi Yugi draws in Defense Position . Yugi then activate s " Multiply " to create a wall of " Kuribohs " to protect his Life Points . Turn 19 : Kaiba " Blue - Eyes Ultimate Dragon " attack s the " Kuriboh " wall , but fails to destroy it . The " Kuriboh " wall regenerates itself . Turn 20 : Yami Yugi Yugi draws " Living Arrow " and subsequently activates it along with " Polymerization " in order to fuse " Mammoth Graveyard " to " Blue - Eyes Ultimate Dragon " . Since " Blue - Eyes Ultimate Dragon " is a living monster , it cannot properly fuse with the undead " Mammoth Graveyard " , so it loses ATK equal to the ATK of " Mammoth Graveyard " during each of Yugi ' s End Phases . On Yugi ' s End Phase , " Blue - Eyes Ultimate Dragon " loses 1200 ATK ( " Blue - Eyes Ultimate Dragon " : 4500 → 3300 / 3800 ) . Turn 21 : Kaiba " Blue - Eyes Ultimate Dragon " attacks the " Kuriboh " wall , but fails to destroy it . The " Kuriboh " wall then regenerates itself . Turn 22 : Yami Yugi Yugi draws , then passes his turn . " Blue - Eyes Ultimate Dragon " loses 1200 more ATK ( " Blue - Eyes Ultimate Dragon " : 3300 → 2100 / 3800 ) . Turn 23 : Kaiba " Blue - Eyes Ultimate Dragon " attacks the " Kuriboh " wall , but fails to destroy it . The " Kuriboh " wall then regenerates itself . Turn 24 : Yami Yugi Yugi passes his turn . " Blue - Eyes Ultimate Dragon " loses 1200 more ATK ( " Blue - Eyes Ultimate Dragon " : 2100 → 900 / 3800 ) . Turn 25 : Kaiba Kaiba passes his turn . Turn 26 : Yami Yugi Yugi draws in Attack Position . " Celtic Guardian " attacks " Blue - Eyes Ultimate Dragon " , however it only manages to destroy the middle head since " Blue - Eyes Ultimate Dragon " was a fusion of three monsters and each of their heads share the same ATK ( Kaiba : 900 → 400 LP ) . Yugi intends to destroy another head on his next turn to win the Duel . At this point , Kaiba has a hallucination of seeing a younger Mokuba trying to escape the rotting dragon and a younger version of himself trying to save him but failing in doing so . His younger self berates him for saying he failed to save Mokuba . Kaiba snaps out of it and declares an endgame . Turn 27 : Kaiba Kaiba moves to the edge of the tower and claims the destruction of his monster might blow him off ( in the original , he threatens to jump off ) if Yami Yugi attacks . Kaiba draws " Reborn the Monster " and subsequently activates it to revive the middle head of " Blue - Eyes Ultimate Dragon " by Special Summon ing from his Graveyard in Attack Position . ( NOTE : In the Japanese version , Kaiba explains that since the revived monster is fused to the rotting dragon , it can ' t attack this turn . ) Turn 28 : Yami Yugi " Celtic Guardian " attacks one of the decayed heads of " Blue - Eyes Ultimate Dragon " , however Yugi Muto cancels the attack at the last moment , because he is unable to watch Kaiba fall to his death . Turn 29 : Kaiba " Blue - Eyes White Dragon " attacks and destroys " Celtic Guardian " ( Yugi : 400 → 0 LP ) . Seto Kaiba wins . Aftermath . Yugi cries after everything that happened and becomes scared of his alter - ego . His friends console him saying that he was the better man . Tea scolds Kaiba for using a cheap tactic like that but Kaiba shrugs it off as he takes the ten star chips , however he was angry because this was not how he wanted to duel Yugi .