Yusei , Jack , Crow , and Rex Goodwin ' s Duel " Signs of Doom " was the final Duel of the Dark Signer Arc of the " Yu - Gi - Oh ! 5D ' s " anime between Yusei Fudo , Jack Atlas , Crow Hogan , and Rex Goodwin . Prior Events . After the defeat of Misty Tredwell , the Signer s reunite , assuming that every Dark Signer has now been defeated . However , from their vantage point in Satellite , they see the Condor Geoglyph appear in New Domino City , signalling that there is indeed another Dark Signer left to face . As they couldn ' t defeat all the Dark Signers before sunset of that day ( as was their mission ) , the King of the Netherworld rises from the ruins of the first Ener - D reactor . The Crimson Dragon appears , transporting the Signers to the location of the Dark Signer . To the surprise of the Signers , they appear on Rex Goodwin ' s island residence , where the Stairway to the Dragon Star has broken through the earth and is now visible to all . Here , Rex Goodwin reveals that he intentionally lost his previous Duel against his brother , Roman Goodwin , and in doing so , has been reborn as a Dark Signer . He then produces a capsule containing the power of Roman ' s original Signer Mark , which Roman had cast aside years ago . Taking control of that power , the complete mark of the Crimson Dragon appears on his chest , while the mark of the Condor appears on his back . Rex declares that with the power of King of the Netherworld , he will destroy the world , then with the power of the Crimson Dragon , he will rebuild it as he wills . He challenges Yusei , Jack , and Crow to a ritualistic Turbo Duel , intending to sacrifice them to the King of the Netherworld . The three accept the challenge , and are transported to the Condor Geoglyph . The Duel begins . Featured Duel : Yusei Fudo , Jack Atlas , and Crow Hogan vs . Rex Goodwin . At the start of the Duel , the Field Spell Card " Speed World " is activated , as per the rules of a Turbo Duel . Before the Duel , all players agree that Yusei , Jack , and Crow will start the Duel with 4000 LP each , while Rex will start with 12000 LP , and also that no player can declare an attack during their first turn . Turn 1 : Crow Hogan Crow Summons " Blackwing - Mistral the Silver Shield " ( 100 / 1800 ) in Attack Position . Since he controls a " Blackwing " monster , he also Special Summon s " Blackwing - Bora the Spear " ( 1700 / 800 ) from his hand in Attack Position . Crow Set s a card . Turn 2 : Jack Atlas ( Crow SPC : 0 → 1 ) ( Jack SPC : 0 → 1 ) ( Yusei SPC : 0 → 1 ) ( Rex SPC : 0 → 1 ) Normal Summons " Mad Archfiend " ( 1800 / 0 ) in Attack Position , then Sets a card . Turn 3 : Yusei Fudo ( Crow SPC : 1 → 2 ) ( Jack SPC : 1 → 2 ) ( Yusei SPC : 1 → 2 ) ( Rex SPC : 1 → 2 ) Normal Summons " Max Warrior " ( 1800 / 800 ) in Attack Position , then Sets a card . Turn 4 : Rex Goodwin ( Crow SPC : 2 → 3 ) ( Jack SPC : 2 → 3 ) ( Yusei SPC : 2 → 3 ) ( Rex SPC : 2 → 3 ) Since his opponent control s a monster while he does not , Rex Special Summon s " Oracle of the Sun " ( 1000 / 2000 ) from his hand in Attack Position . He then Normal Summons " Fire Ant Ascator " ( 700 / 1300 ) in Attack Position . Rex tunes " Oracle of the Sun " to " Fire Ant Ascator " to Synchro Summon " Sun Dragon Inti " ( 3000 / 2800 ) in Attack Position . Rex banish es " Fire Ant Ascator " from his Graveyard to Special Summon " Weeping Idol " from his hand in Attack Position . He then pays 1000 LP ( Rex LP : 12000 → 11000 ) to Special Summon the Dark Tuner monster " Dark Tuner Dark Goddess Witaka " ( 0 / 0 ) in Attack Position . He activates the effect of " Witaka " , making its Level become equal to that of " Sun Dragon Inti " ( 8 ) . Rex Dark tunes " Witaka " to " Weeping Idol " to Dark Synchro Summon " Moon Dragon Quilla " ( 2500 / 2000 ) in Attack Position . Rex Sets 2 cards . During the End Phase , the effect of " Moon Dragon Quilla " activates , destroying itself . Turn 5 : Crow ( Crow SPC : 3 → 4 ) ( Jack SPC : 3 → 4 ) ( Yusei SPC : 3 → 4 ) ( Rex SPC : 3 → 4 ) Crow activates " Speed Spell - Tune Up 123 " , target ing his " Mistral the Silver Shield " and rolling a six - sided die . If he rolls a 1 or 2 , its Level will increase by 1 , by 2 if he rolls a 3 or 4 , or by 3 if he rolls a 5 or 6 . He rolls a 2 , so the Level of his monster increases by 1 to 3 . He tunes " Bora the Spear " to " Mistral the Silver Shield " to Synchro Summon " Blackwing Armor Master " ( 2500 / 1500 ) in Attack Position . Since he controls a " Blackwing " monster , Crow Normal Summons " Blackwing - Elphin the Raven " ( 2200 / 1200 ) in Attack Position without Tributing . Crow attacks " Sun Dragon Inti " with " Blackwing Armor Master " . By its own effects , " Blackwing Armor Master " is not destroyed , and Crow takes no damage . In addition , a Wedge Counter is placed on " Sun Dragon Inti " . Crow then removes that Counter to reduce the ATK and DEF of " Sun Dragon Inti " to 0 . Crow attacks and destroys " Sun Dragon Inti " with " Elphin the Raven " ( Rex LP : 11000 → 8800 ) . By the effect of " Speed World " , Rex also loses Speed Counters for every multiple of 1000 damage taken ( Rex SPC : 4 → 2 ) . Rex activates the effect of " Sun Dragon Inti " , destroying " Elphin the Raven " and inflicting damage to Crow equal to its ATK ( Crow LP : 4000 → 1800 ; Crow SPC : 4 → 2 ) . Since " Sun Dragon Inti " was destroyed , Rex activates the effect of " Moon Dragon Quilla " in his Graveyard , Special Summoning it in Defense Position . Crow Sets two cards . Turn 6 : Jack ( Crow SPC : 2 → 3 ) ( Jack SPC : 4 → 5 ) ( Yusei SPC : 4 → 5 ) ( Rex SPC : 2 → 3 ) Jack Sets a card , then Normal Summons " Magic Hole Golem " ( 0 / 2000 ) in Defense Position . He activates the effect of " Magic Hole Golem " , halving the ATK of " Mad Archfiend " ( 1800 → 900 / 0 ) so that " Mad Archfiend " can attack Rex directly this turn . Jack attacks Rex directly with " Mad Archfiend " ( Rex LP : 8800 → 7900 ) . Crow activates his Set " Shadow Dance " , inflicting another 1000 damage to Rex ( Rex LP : 7900 → 6900 ; Rex SPC : 3 → 2 ) . Yusei then activates his Set " Rising Rush " , Special Summoning " Junk Synchron " ( 1300 / 500 ) from his hand in Attack Position . During his End Phase , the effect of " Magic Hole Golem " expires ( 900 → 1800 / 0 ) . Turn 7 : Yusei ( Crow SPC : 3 → 4 ) ( Jack SPC : 5 → 6 ) ( Yusei SPC : 5 → 6 ) ( Rex SPC : 2 → 3 ) Yusei tunes " Max Warrior " to " Junk Synchron " to Synchro Summon " Junk Archer " ( 2300 / 2000 ) in Attack Position . He activates the effect of " Junk Archer " , banishing " Moon Dragon Quilla " until the End Phase . Yusei attacks Rex directly with " Junk Archer " , but Rex counters with his Set " Offering to the Immortals , negating the Attack , Special Summoning 2 " Ceremonial Tokens " ( 0 / 0 each ) in Attack Position , and adding an " Earthbound Immortal " monster to his hand . Yusei Sets two cards . During the End Phase , " Moon Dragon Quilla " returns to the field . Turn 8 : Rex ( Crow SPC : 4 → 5 ) ( Jack SPC : 6 → 5 ) ( Yusei SPC : 6 → 7 ) ( Rex SPC : 3 → 4 ) Rex Tributes his two " Ceremonial Tokens " to Tribute Summon " Earthbound Immortal Wiraqocha Rasca " ( 1 / 1 ) in Attack Position . He activates the effect of " Wiraqocha Rasca " , skipping his Battle Phase to reduce Yusei ' s LP to 1 . However , Crow activates his Set " Life Exchange " to direct the effect towards him , instead ( Crow LP : 1800 → 1 ) . Crow then activates the last effect of " Life Exchange " to destroy " Moon Dragon Quilla " . Since it was destroyed , Rex activates the effect of " Moon Dragon Quilla " , Special Summoning " Sun Dragon Inti " from his Graveyard in Attack Position . Crow activates his Set " Blackwing Anchor " , Tributing his " Blackwing Armor Master " . At any future point , he can use the effect of " Blackwing Anchor " against Rex . At this point , Crow crashes and is unable to continue , and control of his remaining cards pass to the rest of his team . Rex Sets a card . Turn 9 : Jack ( Jack SPC : 7 → 8 ) ( Yusei SPC : 7 → 8 ) ( Rex SPC : 4 → 5 ) Jack Normal Summons " Sinister Sprocket " ( 400 / 0 ) in Attack Position . He tunes " Mad Archfiend " and " Magic Hole Golem " to " Sinister Sprocket " to Synchro Summon " Red Dragon Archfiend " ( 3000 / 2000 ) in Attack Position . Jack activates his Set " Half Straight " , halving the ATK of " Red Dragon Archfiend " ( 3000 → 1500 / 2000 ) until his next Standby Phase . While the ATK of " Red Dragon Archfiend " is lower than the ATK of Rex ' s strongest monster , " Red Dragon Archfiend " can attack Rex directly . Jack attacks Rex directly with " Red Dragon Archfiend " , but Rex activates the effect of " Sun Dragon Inti " , reducing its own ATK to 0 ( 3000 → 0 / 2800 ) . " Red Dragon Archfiend " can no longer attack Rex directly . Yusei activates his Set " Scrubbed Raid " . Now Jack or Yusei can send 1 card they control to the Graveyard to end the Battle Phase . Jack chooses not to use this effect and attacks " Sun Dragon Inti " with " Red Dragon Archfiend " ( Rex LP : 6900 → 5400 ; Rex SPC : 5 → 4 ) . The effect of " Sun Dragon Inti " activates , destroying " Red Dragon Archfiend " and inflicting its ATK as damage to Jack ( Jack LP : 4000 → 2500 ; Jack SPC : 8 → 7 ) . Since " Sun Dragon Inti " was destroyed , Rex activates the effect of " Moon Dragon Quilla " in his Graveyard , Special Summoning it in Defense Position . Jack Sets a card . Turn 10 : Yusei ( Jack SPC : 7 → 8 ) ( Yusei SPC : 8 → 9 ) ( Rex SPC : 4 → 5 ) Yusei activates the effect of " Junk Archer " to banish " Moon Dragon Quilla " until the End Phase , but Rex activates his Set " Destruct Potion " , destroying his " Moon Dragon Quilla " and gaining LP equal to its ATK ( Rex LP : 5400 → 7900 ) . Since its target left the field , the effect of " Junk Archer " is negated . Since it was destroyed , Rex activates the effect of " Moon Dragon Quilla " , Special Summoning " Sun Dragon Inti " from his Graveyard in Attack Position . Turn 11 : Rex ( Jack SPC : 8 → 9 ) ( Yusei SPC : 9 → 10 ) ( Rex SPC : 5 → 6 ) Jack activates his Set " Fiendish Chain " by targeting " Sun Dragon Inti " . While Jack ' s LP remain above 1000 , that monster ' s effects are negated , it can ' t attack , and it can ' t be Tributed . Rex activates the effect of " Wiraqocha Rasca " again , skipping his Battle Phase to reduce Jack ' s LP to 1 ( Jack LP : 2500 → 1 ) , destroying " Fiendish Chain " . At this point , Jack crashes and is unable to continue , and control of his remaining cards pass to the rest of his team . Rex Sets a card . Turn 12 : Yusei ( Yusei SPC : 10 → 11 ) ( Rex SPC : 6 → 7 ) Yusei activates the effect of " Junk Archer " , banishing " Sun Dragon Inti " until the End Phase , but Rex activates his Set " Passion of Baimasse " , negating the effect and destroying " Junk Archer " . Yusei Normal Summons " Shield Warrior " ( 800 / 1600 ) in Defense Position , then Sets a card . Turn 13 : Rex ( Yusei SPC : 11 → 12 ) ( Rex SPC : 7 → 8 ) Rex activates the effect of " Wiraqocha Rasca " again , skipping his Battle Phase to reduce Yusei ' s LP to 1 ( Yusei LP : 4000 → 1 ; Yusei SPC : 12 → 9 ) . Yusei manages to hold on and continue the Duel . Turn 14 : Yusei ( Yusei SPC : 9 → 10 ) ( Rex SPC : 8 → 9 ) Since he has at least 2 Speed Counters , Yusei activates " Speed Spell - Angel Baton " to draw 2 cards , then send 1 card in his hand to the Graveyard . Yusei Normal Summons " Debris Dragon " ( 1000 / 2000 ) in Attack Position , then activates its effect to Special Summon " Sonic Chick " ( 300 / 300 ) from his Graveyard in Attack Position with its effects negated . Yusei tunes " Shield Warrior " and " Sonic Chick " to " Debris Dragon " to Synchro Summon " Stardust Dragon " ( 2500 / 2000 ) in Attack Position . Yusei then activates the effect of Crow ' s " Blackwing Anchor " , sending it to the Graveyard to increase the ATK of " Stardust Dragon " by the ATK of " Blackwing Armor Master " ( 2500 → 5000 / 2000 ) . Yusei attacks " Sun Dragon Inti " with " Stardust Dragon " ( Rex LP : 7900 → 5900 ; Rex SPC : 9 → 7 ) . Rex activates the effect of " Sun Dragon Inti " to destroy " Stardust Dragon " and inflict damage to Yusei equal to its ATK , but Yusei activates the effect of " Stardust Dragon " , Tributing it to negate the effect of " Sun Dragon Inti " . As it was destroyed , Rex activates the effect of " Sun Dragon Inti " , Special Summoning " Moon Dragon Quilla " from his Graveyard , but Yusei activates Jack ' s Set " Conquest of the Supreme Ruler " , sending it to the Graveyard to negate the Summon of " Moon Dragon Quilla " . During the End Phase , " Stardust Dragon " returns to Yusei ' s field . Turn 15 : Rex Turn 16 : Yusei ( Yusei SPC : 11 → 12 ) ( Rex SPC : 8 → 9 ) Since he controls " Stardust Dragon " , Yusei Special Summons " Stardust Xiaolong " ( 100 / 100 ) from his Graveyard in Attack Position . He then Normal Summons " Majestic Dragon " ( 0 / 0 ) in Attack Position . He tunes " Stardust Dragon " and " Stardust Xiaolong " to " Majestic Dragon " to Synchro Summon " Majestic Star Dragon " ( 3800 / 3000 ) in Attack Position . He activates the effect of " Majestic Star Dragon " , negating the effects of " Earthbound Immortal Wiraqocha Rasca " and granting those effects to " Majestic Star Dragon " . Yusei then activates his Set " Synchro Baton " , increasing the ATK of his " Majestic Star Dragon " by 600 for every Synchro Monster in his team ' s Graveyard . There are 4 in total ( 3800 → 6200 / 3000 ) . Yusei attacks " Earthbound Immortal Wiraqocha Rasca " with " Majestic Star Dragon " ( Rex LP : 5900 → 0 ) . Aftermath . After the defeat of the last Dark Signer , the Crimson Dragon takes a physical form and battles the King of the Netherworld . Meanwhile , Yusei has a vision of the spirits of the Goodwin brothers , Dark Signers no longer . After sharing words , the pair return the souls of the previously defeated Dark Signers ; however , the two brothers disappear together in a beam of light , never to be seen again . The Crimson Dragon destroys the King of the Netherworld . Finally , the threat of the Dark Signers passes .