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* ''[[Yu-Gi-Oh! GO RUSH!!]]'' (mentioned)

After seeing these victories, Goha Enterprises approached Nail with a job offer, and they made him the head of overseeing Goha Duels, basing him in the underground [[Garden of Curiosity]] and starting Nail's own philosophy of providence.<ref name="ep17" /> Nail was also given [[Seatbastian]], an A.I. massage throne, to serve as his butler throughout his role.<ref name="ep19">{{Episode|SEVENS|19|ref}}</ref> Nail oversaw Goha Duels for seven years, but he was eventually approached by [[The the Relic]], which projected the Hologram Man. Nail recognized the Hologram Man as [[Otes]], and Otes told him that Dueling would soon be changed after the years that Nail had to have his fun. Sure enough, [[Yu-Gi-Oh! Rush Duel|Rush Dueling]] was created and introduced to the Goha servers by [[Yuga Ohdo]], and they proved resistant to Nail's efforts to remove them from the system.<ref name="ep17" />

Yuga, Luke, Gavin and Romin then arrived at Nexus, and Nail and Seatbastian emerged to welcome them. Yuga claimed to have understood Nail's providence and Nail himself a little, though Nail believed they would not be able to have the Rush Duel that Yuga sought due to the power of the Maximum Summon and he vowed to sear what he had found beyond providence into Yuga's memory. Nail set "[[Femtron (anime)|Femtron]]" up to be destroyed by Yuga, while trying to bait Yuga into [[Tribute Summon]]ing "[[Sevens Road Magician (anime)|Sevens Road Magician]]" so he could destroy it with "[[Trap Hole (animeRush Duel)|Trap Hole]]", but Yuga's use of the Spell/Trap destroying "[[Wave Crest Madoor (anime)|Wave Crest Madoor]]" forced Nail to use Trap Hole on it instead. Yuga then brought out "Sevens Road Magician" and destroyed "Femtron", allowing Nail to use "[[Quantum Hole (anime)|Quantum Hole]]" to begin cycling through his Deck in search of his [[Maximum Monster]]s. During his Duel with Yuga, Nail continually discussed providence with him, stating that humans had to cut its bonds and escape them. On his next turn, Nail was able to successfully add all three parts of "Yggdrago the Sky Emperor" to his hand and Maximum Summon it, destroying "Sevens Road Magician" and defeating Yuga.<ref name="ep23" /> He explained that he had added Maximum Summoning to the gap in Yuga's code before sending Yuga and his friends back to the surface, reminding them that they had two penalties now and telling them he would be waiting for when they returned.<ref name="ep24">{{Episode|SEVENS|24|ref}}</ref>

Although the lower [[MAXIMUM ATK]] of "Magnum Overlord" was derided by Seatbastian, Nail knew that could likely change quickly and was proven correct when the effect of "Magnum Overlord" allowed it to increase its ATK to surpass "Yggdrago", though Nail was able to prevent its destruction and damage Yuga with "[[Absurd Burst]]", though the Trap proved unable to destroy "Magnum Overlord". Admitting that he was surprised that Yuga had installed Maximum himself, but pleased by the opportunity to further explore its potential, Nail increased the ATK of "Yggdrago" high enough to defeat Yuga, forcing Yuga to return "Magnum Overlord" to his hand to negate the attack with "[[Emergency Return (anime)|Emergency Return]]". Nail took advantage of Yuga's move to return his Maximum to his Deck with "[[Paradigm Shift]]" and redraw his hand, but to his surprise Yuga was able to mount a counteroffensive with "Sevens Road Magician", forcing Nail to [[Absurd Void Hole(anime)|protect it again]] and restore his [[LP]]. He used the effect of "Yggdrago" to destroy "Sevens Road Magician" on Yuga's next turn and tried to defeat him by attacking "[[Sevens Road Witch (anime)|Sevens Road Witch]]", but Yuga was able to survive with 100 LP by switching the positions of his two "[[Sevens Road]]" monsters. As Nail declared that the popularity of Rush Dueling would wane after Yuga and his friends' accounts were terminated, Seatbastian reported that many elementary students in the city had proclaimed themselves allies of Yuga and become penalized; if Nail won, he would delete the accounts of 77.7% of the elementary students in Goha City, though Nail was unconcerned over the consequence. Yuga was able to assemble his Maximum Monsters in his hand again, but Nail returned them to his Deck again with another "Paradigm Shift", warning Yuga that it could be beneficial to watch his step and realize there was no path forwards. Despite the setback, Yuga was able to redraw his Maximum Monsters again and Maximum Summon "Magnum Overlord", though Nail believed he would still be able to end the Duel in a [[DRAW]] with his "[[Pair Destruction]]" Trap that Yuga had seen on his field. Yuga then reminded Nail that he had forgotten that Maximum Monsters had three abilities, and the final ability of "Magnum Overlord" increased its ATK further based on the difference between their LP, allowing "Magnum Overlord" to destroy "Yggdrago" and defeat Nail before he could activate "Pair Destruction".<ref name="ep26" />

As Yuga and Luke prepared to Duel, Nail and Roa theorized that Otes was likely behind the tournament and the actions of Goha 66, and Nail admitted that even Yuga likely didn't know Otes' true motivations, though he was miffed by Roa ignoring him to check for an update with Tyler. After a poor start due to a bad hand, Yuga was able to make a comeback against Luke by revealing his Maximum on top of his Deck with "[[Surprising Barcode]]", which Nail noted had given Yuga a mental advantage. Nail joined Roa and Asana in "Vast Vulcan's" summon chant, but though Yuga almost defeated Luke, Luke saved himself with "[[7 Chance (anime)|7 Chance]]" and drew a new monster, "[[Steel Strike Dragon Metagias (anime)|Steel Strike Dragon Metagias]]", prompting Nail to note that Luke couldn't be underestimated. The holograms of the monsters then began to flicker as the power went out like it had in Nail and Gavin's Duel, something Nail noted couldn't be due to weather. Tyler then revealed someone was trying to hack the Goha Duel Server and had been since the start of the tournament, and Nail noted that as no-one knew the location of the server (ignoring [[Mimi Imimi|the Goha President]]'s demands to fix the problem) they wouldn't be able to stop the hack. The Duelstronauts then arrived and revealed their findings; the Goha Duel Server was on the moon, carved into the lunar surface, and the Rush Duel Program was in the form of [[Super Rush Robot|a giant robot]] carved into the moon's surface, under attack by Goha EnterprisesDrones Enterprises Drones in an effort to uninstall Rush Dueling.<ref name="ep51" /> Nail realized that a small portion of Rush Dueling had been uninstalled every time someone had Rush Dueled in the tournament and there was no way to stop it other than stopping the Rush Duel, though Yuga and Luke both decided to continue Dueling. Yuga told Nail the rest was up to him, and Nail agreed before realizing Yuga was ordering him around, much to his irritation. As Yuga and Luke continued their Duel and Luke destroyed "Vast Vulcan" with "Metagias", Nail worked on containing the data of Rush Dueling as Yuga reinstalled it from his Duel Disk, this time containing it in a Super Rush Robot based on Yuga's designs that he had Goha Enterprises Drones construct out of space debris. Yuga was eventually defeated by Luke, and Nail and Roa congratulated one another on how well they'd done in the tournament. Nail and Yuga's plan succeeded in reinstalling Rush Dueling seconds after it was uninstalled, Nail revealing the new Super Rush Robot to the public. Afterwards Nail watched Luke's coronation as the King of Duels.<ref name="ep52">{{episode|Yu-Gi-Oh! SEVENS|52|ref}}</ref>

Nail and Seatbastian boarded [[Super Mobile Fortress SixrossStar Six]] and were brought to the outskirts of Goha City, where the Rush Duel Club and [[Heavy Cavalry Duel Club]] had met to stop Luke's sister [[Tiadosia Kallister|Tiger]] from training after her loss to The Lukeman. [[Asana Mutsuba|Asana]] volunteered to Duel, but was shocked when Nail was revealed as their opponent, though Nail denied being a traitor and claimed he had to obey the President's orders. Nail Maximum Summoned "[[Yggdrago the Sky Emperor (anime)|Yggdrago the Sky Emperor]]" on his first turn and Asana opposed him by backing up "[[Constructor Wyrm Buildragon (anime)|Constructor Wyrm Buildragon]]" with her friends' [[Signature card|ace monsters]] to increase its ATK to match that of "Yggdrago", claiming that Yuga had changed her, but Nail used "[[Emergency Return (anime)|Emergency Return]]" to return "Yggdrago" to his hand and negate the attack as Yuga had done in their second Rush Duel, telling Asana she wasn't the only one Yuga had changed. He Maximum Summoned "Yggdrago" again on his next turn, prompting Asana to Summon her friends' monsters to defend her, and Nail systematically destroyed them with "[[Tribute to The Doomed (anime Rush Duel)|Tribute to The Doomed]]" and the effects of "Yggdrago", even Tributing and re-Summoning "Yggdrago" with "[[Viscom Nanotron (anime)|Viscom Nanotron]]", though Asana was able to survive by reducing the ATK of "Yggdrago". On her next turn Asana Summoned a new ace, "[[Constructor Sky Wyrm Gantry Dragon (anime)|Constructor Sky Wyrm Gantry Dragon]]", and revived "Buildragon" and "[[Constructor Demolisher Wyrm Drake Crush (anime)|Constructor Demolisher Wyrm Drake Crush]]", reducing the ATK of "Yggdrago" and increasing the ATK of "Drake Crush", her claim her friends gave her power prompted a smile from Nail. Though Nail knew he'd already lost, he still protected "Yggdrago" with "[[Pair Collision (anime)|Pair Collision]]", realizing he was prolonging the Duel because he'd enjoyed it. Asana then destroyed "Yggdrago" in a double KO with "Gantry Dragon" and defeated Nail with "Buildragon", putting the scores even again at 5-5. After the Duel Yuo angrily admonished Nail for losing even with "Yggdrago", but Nail told him that powerful cards didn't guarantee victory and after bitterly noting he had always been alone, he resigned from Goha, leaving his [[Duel Disk]] and [[Duel ID cards|Duel ID card]] behind and returning to the [[Garden of Curiosity]] with Seatbastian. As a result the Absolute Presidential Obedience Mode prevented Seatbastian from approaching him, but Seatbastian refused to be without Nail and told him he wasn't alone, overpowering the program long enough to rip apart his power cable and deactivate himself as Nail watched in horror.<ref name="ep65" />

* [[Sigilstate Sigurstate Sol (anime)|Sigilstate Sigurstate Sol]]

* [[Yggdrago the Sky Emperor (L) (anime)|Yggdrago the Sky Emperor [L]]]<ref group=Notes name="number123-83seatbastian83">This card is created by rewriting the [[Duel ID cards|Duel ID card]] of Number 1 of the [[Top of the Hexagon]] in [[Yu-Gi-Oh! SEVENS - Episode 023|episode 23]]. Later, this card is given to [[Seatbastian]] on a flashback in [[Yu-Gi-Oh! SEVENS - Episode 083|episode 83]].</ref>* [[Yggdrago the Sky Emperor‎‎ (anime)|Yggdrago the Sky Emperor‎‎‎‎]]<ref group=Notes name="number223-83seatbastian83">This card is created by rewriting the [[Duel ID cards|Duel ID card]] of Number 2 of the [[Top of the Hexagon]] in [[Yu-Gi-Oh! SEVENS - Episode 023|episode 23]]. Later, this card is given to [[Seatbastian]] on a flashback in [[Yu-Gi-Oh! SEVENS - Episode 083|episode 83]].</ref>* [[Yggdrago the Sky Emperor (R) (anime)|Yggdrago the Sky Emperor [R]]]<ref group=Notes name="number423-83seatbastian83">This card is created by rewriting the [[Duel ID cards|Duel ID card]] of Number 4 of the [[Top of the Hexagon]] in [[Yu-Gi-Oh! SEVENS - Episode 023|episode 23]]. Later, this card is given to [[Seatbastian]] on a flashback in [[Yu-Gi-Oh! SEVENS - Episode 083|episode 83]].</ref>

* [[Absurd Void Hole (anime)|Absurd Void Hole]]

* [[Quantum Hole (anime)|Quantum Hole]] x3<ref group=Notes name="secondthirdcopy23quantumhole23">A second copy of this card is placed from Nail's [[hand]] on the bottom of his [[Main Deck|Deck]] by the [[effect]] of "[[Zeptron (anime)|Zeptron]]" in [[Yu-Gi-Oh! SEVENS - Episode 023|episode 23]]. Later, a third copy of this card is [[Send|sent]] from his Nail's hand to the [[Graveyard]] by the effect of "[[Yoctron (anime)|Yoctron]]" in during the same episode.</ref>

| 108 unknown Duelists<!--Team YNR earned 770 points during the Goha Rush Duel Team Battle Royal by winning at least 110 Duels, including against Tracker and Booster-->|| [[Yu-Gi-Oh! SEVENS - Episode 045|45]]-[[Yu-Gi-Oh! SEVENS - Episode 048|48]] || Win (off-screen, ; with [[Yuga Ohdo]] and [[Roa Kassidy]])

| [[Seatbastian]] || [[Yu-Gi-Oh! SEVENS - Episode 082|82]]-[[Yu-Gi-Oh! SEVENS - Episode 083|83]] || Win

{{Characters/Yu-Gi-Oh! SEVENS/Animecharacters}}