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[[File:Envoy_of_the_Underworld.jpg|thumb|Envoy of the Underworld|left]]
Meanwhile Jack, who has finally reached the Hummingbird tower, is surprised as Carly appears, riding her own [[Duel Runner]]. Afterwards, they both engage in a Shadow Turbo Duel. As Carly is able to deplenish most of his life points, Jack is, however, able to turn Carly back into to her righteous self. Unfortunately the "Envoy of the Underworld", upon seeing this, appears to posses her and force the duel to go on. As Carly summons [[Earthbound Immortal Aslla piscuPiscu|Aslla piscuPiscu]], Jack eventually manages to turn the situation around by summoning [[Savior Demon Dragon]]. However, as he attempts to end the duel in a tie, Carly instead destroys Aslla Piscu and takes damage because of it. She loses the duel and vanishes as they are both hugging.
Finally Misty who is guarding the last control Tower is waiting for Akiza while mourning for her dead brother, [[Toby]]. Eventually Akiza and Mina arrive where the Lizard Tower is situated, in an old and abandoned carnival. Thus Akiza finds Misty, and has been guided by her into a House of Mirror where they finally commenced their rematch. As it begins Misty recounts the events that lead up to Toby’s death that undoubtedly involves Akiza, through the use of her Sad Story Spells and Bad End Trap. Because of this Akiza who is now tormented by the truth, loses the will to continue the duel. However Sayer appears to save her from landing into a shard of shattered glass, but has now deviously has awakens her powers as the [[Akiza|Black Rose]] once again.
However while Misty in the end has summon her powerful [[Bad End Queen Dragon]], Akiza in the other hand has not only unleashed her Black Rose Dragon, but also ultimately has shattered every mirror in the vicinity and finally confronts face to face with her opponent. Akiza and Misty's duel continue while Misty manages to gain the upper hand by summoning Ccarayhua. While she does that Yusei tricks Sayer in revealing the truth behind her brother's death. Upon hearing this she commands her monster to devour him and avenges her brother's death. Before she could surrender the Envoy of the Underworld takes control and is about to finish Akiza off with a direct attack. But Akiza pulls through by blocking the attack and summoning Black Rose Dragon again to destroy everything on the field. Misty tries to counter by inflicting damage through card effect. But Akiza counters the damage and deals it back to her ending the duel with Misty feeling at peace. She vanishes leaving her music box, containing Toby’s and her picture on it.
Later, right after Akiza’s duel against Misty concludes, before the Signers are able to seal the last Tower, the King of the Underworld appears from the original Original Enerdy reactorReactor, and is moving toward New Domino City. At that time Goodwin who has acquired the powers of a Signer with Roman's arm, reveals to be the last of the Dark Signers. As the dark mark of the Condor appearing on his back, revealing his Dark Signer nature and giving him supernatural powers, he declares that a [[Shadow Turbo Duel]] will be held within the Condor geoglyph as a ritual to welcome the [[King of the Underworld]].
Therefore Goodwin faces of against Yusei, Jack, and Crow in one final Shadow Turbo Duel. The duel rages fiercely upon them and Goodwin. Though both Jack and Crow are unable to continue due to [[Earthbound Immortal Wiraqocha Rasca|Wiraqocha Rasca's]] deathly effect, Yusei manages to win with both their help.
