Yugi Mutou and Aigami ' s Duel Yugi Mutou and Aigami faced each other in a game of " Duel Monsters " in " Yu - Gi - Oh ! The Dark Side of Dimensions " . Events . Prior . Aigami interfered with KaibaCorp ' s excavation of the Shrine of the Underworld and managed to steal two pieces of the Millennium Puzzle . He gave one of the pieces to his sister , Sera , who in turn gave it to Yugi . Aigami displayed an interest becoming friends with Yugi . However , he sent Yugi ' s friends Katsuya Jonouchi and Ryo Bakura to other dimensions . Yugi learned of this and managed to reunite with Jonouchi , but continued to search for Bakura . Seto Kaiba announced that there would be an exhibition Duel at Kaiba Land to showcase his new Duel Disk . He had a group of men abduct Aigami and bring him to Kaiba Land . Kaiba learned that Aigami did not have both pieces of the puzzle and suspected Yugi had the other one . Kaiba personally met up with Yugi and showed him that he had all of the Millennium Puzzle assembled , minus the two pieces and demanded that Yugi take part in the exhibition Duel . When Yugi arrived at Kaiba Land , Kaiba announced that he would be Dueling Aigami and then Yugi , in order to obtain their pieces of the Millennium Puzzle . However Yugi was annoyed with what Aigami had done to his friends and intent on finding Bakura , so he insisted that he be the one to Duel Aigami . Duel . This Duel uses Dimension Summon ing . Both Normal Summon s and Special Summon s may be conducted as Dimension Summons instead , allowing players to Summon any monster without Tribute , by using their own Spirit to determine its ATK and DEF values , though their maximum original values will be the printed values . Neither player receives battle damage from battle s involving Dimension Summoned monsters , but will take damage equal to their ATK or DEF when they are destroy ed , depending on their battle position . As every monster Dimension Summoned by both players was Summoned with its maximum values , that will be not be noted below . Turn 1 : Yugi Yugi draws " Dimension Mirage " . He Dimension Summons " Sentry Soldier of Stone " ( 1300 / 2000 ) in Defense Position and then Set s two cards . Turn 2 : Aigami Aigami Dimension Summons " Vijam the Cubic Seed " ( 0 / 0 ) in Attack Position . Aigami stacks his " Vijam " to Dimension Summon " Geira Guile the Cubic King " ( 0 / 0 ) from his hand in Attack Position via its own effect . As it was Special Summoned , its effect activate s , inflicting 800 damage to the opponent ( Yugi : 8000 → 7200 ) . " Geira Guile " gains 800 original ATK ( 0 → 800 ) for each monster stacked underneath it . > " " , / > Aigami then activates " Cubic Karma " , letting him stack any " Vijam " from his hand underneath a " Cubic " monster he control s . He stacks two more " Vijam " under " Geira Guile " ( ATK : 800 → 2400 ) . " Geira Guile " attack s and destroys " Sentry Soldier of Stone " ( Yugi : 7200 → 5200 ) . As he took 2000 or more battle damage , Yugi activates his face - down " Dig of Destiny " , letting him draw a card . Since it battle d this turn , Aigami activates the effect of " Geira Guile " , return ing it to his Deck to Special Summon the three " Vijam " ( 0 / 0 each ) underneath it and add " Vulcan Dragni the Cubic King " from his Deck to his hand . Aigami stacks two " Vijam " to Dimension Summon " Vulcan Dragni " ( 0 / 0 ) from his hand in Attack Position via its own effect . As it was Special Summoned , its effects activates , inflicting 800 damage to the opponent ( Yugi : 5200 → 4400 ) . " Vulcan Dragni " gains 800 original ATK for each monster stacked underneath it ( 0 → 1600 ) . " Vulcan Dragni " attacks directly ( Yugi : 4400 → 2800 ) . Since it battled this turn , Aigami activates the effect of " Vulcan Dragni " , returning it to the Deck to Special Summon the two " Vijam " ( 0 / 0 each ) underneath it and add " Indiora Doom Volt the Cubic Emperor " from his Deck to his hand . Aigami stacks his three " Vijam " to Dimension Summon " Indiora Doom Volt " ( 0 / 0 ) from his hand in Attack Position via its own effect . As it was Special Summoned , its effect activates , inflicting 800 damage to the opponent ( Yugi : 2800 → 2000 ) . " Indiora Doom Volt " gains 800 original ATK for each monster stacked underneath it ( 0 → 2400 ) . " Indiora Doom Volt " attacks directly . As he is being attacked directly , Yugi activates his face - down " Warrior ' s Devotion " , letting him send a Warrior - Type monster from his hand to the Graveyard to decrease the attacking monster ' s ATK by the sent monster ' s ATK . He sends " Silent Swordsman LV5 " ( " Indiora Doom Volt " : 2400 → 100 ) . The attack continues ( Yugi : 2000 → 1900 ) . Turn 3 : Yugi Yugi Dimension Summons " Lord Gaia the Fierce Knight " ( 2300 / 2100 ) in Attack Position . " Lord Gaia " attacks and destroys " Indiora Doom Volt " ( Aigami : 8000 → 7900 ) . Since " Indiora Doom Volt " was sent to the Graveyard , its effect activates , letting him return it to his hand and Special Summon the three " Vijam " ( 0 / 0 each ) underneath it . As he Special Summoned a " Cubic Seed " monster during his opponent ' s turn via the effect of a " Cubic " monster , Aigami activates the effect of " Cubic Karma " , sending to the Graveyard to halve his opponent ' s LP ( Yugi : 1900 → 950 ) . Yugi Sets three cards . Turn 4 : Aigami Aigami stacks his three " Vijam " to Dimension Summon " Indiora Doom Volt " ( 0 / 0 ) from his hand in Attack Position via its own effect . As it was Special Summoned , its effect activates , inflicting 800 damage to the opponent ( Yugi : 950 → 150 ) . " Indiora Doom Volt " gains 800 original ATK for each monster stacked underneath it ( 0 → 2400 ) . As Aigami Special Summoned a monster with ATK greater than the ATK of " Lord Gaia " , the effect of " Lord Gaia " increases its ATK by 700 ( 2300 → 3000 ) until the End Phase . Aigami then activates " Cublic Wave " , letting him target a " Cubic " monster he controls and a monster his opponent controls , increase the ATK of his monster by its original ATK and halve the ATK of his opponent ' s monster as long as " Cubic Karma " remains on the field ( " Indiora Doom Volt " : 2400 → 4800 , " Lord Gaia " : 3000 → 1500 ) . " " Indiora Doom Volt " attacks " Lord Gaia " , but Yugi activates his face - down Continuous Trap Card " Dimension Sphinx " , letting him target a face - up Attack Position monster he controls . When it is attacked by an opponent ' s monster with higher ATK , the difference in ATKs will be inflicted to the opponent as damage . Yugi then activates his face - down Continuous Trap Card " Dimension Guardian " , letting him target an Attack Position monster he controls and prevent its destruction by battle as long as it is in Attack Position . Finally , Yugi activates his face - down " Dimension Mirage " , letting him target an Attack Position monster his opponent controls . When that monster fails to destroy an Attack Position monster Yugi controls by battle , he may banish a monster from his Graveyard to force that target to attack again in a row . The attack continues , " Lord Gaia " is not destroyed and Aigami takes damage ( Aigami : 7900 → 4600 ) . Since " Indiora Doom Volt " failed to destroy " Lord Gaia " by battle , Yugi banishes a monster from his Graveyard with " Dimension Mirage " , the effect of " Dimension Mirage " forces " Indiora Doom Volt " to attack " Lord Gaia " again , with the effect of " Dimension Guardian " preventing " Lord Gaia " from being destroyed and the effect of " Dimension Sphinx " inflicting damage to Aigami ( Aigami : 4600 → 1300 ) . Thus , Aigami is forced into an controlled loop and this repeats one more time , with Yugi banishing the last monster in his Graveyard ( Aigami : 1300 → 0 ) .