|Occupation||Goha Corporation (Goha Duel Overseer)|
|Anime debut||Yu-Gi-Oh! SEVENS episode 13: "Another King"|
Nail Saionji (
Nail is a frail young bespectacled boy with dull blonde hair, pink eyes, and white-rimmed ovular spectacles. He wears simple clothes in pale shades: a white shirt and simple pants and shoes, and a gold ring on his right index finger.
Nail is eternally dissonant and eerily calm in most situations. When he hacked into the Goha satellite network and crashed them into Goha City he watched in wonder at what he'd done, with little apparent care over the morality of his actions. At eleven years of age, Nail exercises his control and authority over the Garden of Providence to transport people through it as he desires, casually dropping the Duelists in his service through trapdoors when they lose in the Garden despite their loyalty to him. However he is not without empathy, as he spares Sebastian of this fate and exhibits clear attachment to him. It is suggested that he does not act out of malice; while he did not divulge the consequences of Mimi Atachi Dueling, he also made no move to exploit them, only allowing her to Duel after she approached him to request a Duel, and though he does not inform Yuga, he Duels under the same conditions of penalty as he does. Conversely, he is not held back by the notion of terminating the accounts of most of Goha City's elementary students when he defeats Yuga.
Nail is generally polite and honest to those he talks to, and even when disciplining Arata Arai he does not raise his voice. He expresses interest in Yuga Ohdo as someone that was chosen by Otes, and after each Duel he puts them through in the Garden, Nail returns them to the surface, urging them to attend to their schoolwork and rest. However, he does subtly insult Luke's intelligence based on his low grades when he encounters them at the Goha Duel Museum.
While Nail initially derides Rush Dueling, he later comes to believe that it has a lot of potential, particularly after seeing the gap in its code that Yuga left to allow for expansion into it. Nevertheless, eliminating the format is still Nail's job and he remains committed to the removal of Rush Dueling through the deleting of the accounts of Yuga and his friends.
Just as Yuga has his "Road" philosophy, Nail has his own philosophy of "providence"; the care of his assigned subject. Nail refuses to stray from this philosophy and has a clear definition of his providence. Nail later admits that Yuga's road has pulled him in, and he turns from eliminating Rush Dueling to create Maximum Summoning, which he believes to be beyond providence. Nail's shops question societal norms, and Nail himself questions those of reality, citing that these too are providence. Though providence is Nail's philosophy, Nail states that humanity should question it and try to break free.
Nail speaks politely and formally, generally referring to people by their full names, though he has referred to Yuga by his first name on occasion while in private. He uses the personal pronoun of "watashi", but briefly switches to "warera" when welcoming Yuga and his friends to Haven.
When Nail was only three years old, he hacked into the Goha Corporation servers and hijacked their satellite network, crashing them over Goha City and watching in wonder at the results of his actions. Nail's parents were concerned over how he entertained himself, so they introduced him to Duel Monsters to distract him from such actions. Nail quickly became a skilled Duelist, winning a tournament against much older Duelists at the age of five.
After seeing these victories, the Goha Corporation approached Nail with a job offer, and they made him the head of overseeing Goha Duels, basing him in the underground Garden of Providence and starting Nail's own philosophy of providence. Nail was also given Sebastian, an A.I. massage throne, to serve as his butler throughout his role. Nail oversaw Goha Duels for seven years, but he was eventually approached by 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, 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.
Birth of Rush Duels
After Yuga's Duel with Roa, Getta Taira left RoaRomin and his hacking skills earned Nail's interests. He enlisted Getta's services and provided him with fans to cheer his name in the Garden of Providence. He developed a plan to remove Rush Dueling from the Goha Corporation's systems; by obtaining the data of Kaizo, Yuga's modified Goha Corporation Drone, Nail would not only gain leverage to force Yuga to Duel him, but also potential access to information on Yuga himself through the data. He planned to have Yuga and his allies Duel him and his Duelists in the Garden of Providence, penalizing the losing team, including himself, to keep the contest meaningful, and terminate the accounts of the team who reached six penalties first. Nail believed that if the progenitors and main users of Rush Dueling were prevented from Dueling again, then the format would be forgotten.
Nail observed Kaizo moving through Goha City through the Restaurant A.I.. He had three other Drones challenge Kaizo to a Duel, and during the Duel, he had Sebastian steal Kaizo's data and replaced it with a fake. Unbeknownst to Nail however, a fragment of the real Kaizo retreated into the Duel Bicycle that it had been connected to and when the fake Kaizo tried to strand Yuga, Tatsuhisa "Luke" Kamijo, Romin Kirishima and Gakuto Sogetsu on Goha Fishing Elementary it swam after them to warn them. Nail had the fake Kaizo return to the A.I. Restaurant. He began analyzing its data, and quickly found that many of its logs contained the word "Road".
Yuga and his friends were able to track the fake Kaizo to the Restaurant, where Luke ordered an immense quantity of food that got them stuck washing dishes to work off their bill. Arata Arai sought to defeat them himself, but he was defeated by Romin and after the Rush Duel, Luke found the entrance to Nail's garden. Yuga was able to unlock the door with his Duel Disk, prompting Arai to apologize frantically to Nail, but Nail chastised him for thinking his underhanded actions were a strength and dismissed Arai. He then greeted Yuga and his friends in person, welcoming them to the Garden of Providence. Nail showed them the data drive containing Kaizo's original data and he explained that Yuga and his friends would have to defeat the Duelists they found in the Garden of Providence, but that their accounts would be deleted of they lost six times. He noted that Yuga was as expected of one who Otes had chosen before departing. The first Duelist they Dueled was Schrödinger Nekoyama, who Dueled Luke, but was defeated. Nekoyama panicked after his defeat, apologizing to Nail, but Nail had little patience for his loss and dropped him down a chute. Nail then released Yuga, Luke, Romin, Gakuto and Mimi Atachi from the Garden of Providence, noting that it was late and they had homework to do, and they could return to continue their challenge the next day.
The next day, Nail used trapdoors in the Hologram Man's chamber and Roa Kirishima's apartment to return Yuga, Luke, Gakuto and Romin to the Garden of Providence, though he also brought Roa himself along when he did. He placed Yuga, Luke and Gakuto in the room where Luke had Dueled Nekoyama and contacted them through a hologram, suggesting that they continue their matches. Yuga asked Nail if they key to the door to open a new world was here, and Nail claimed to know nothing about it, asking if Otes told them about it. Luke accused Nail of lying, though Yuga believed that Nail had no knowledge of the subject, and Nail wished them luck before retreating. They soon found Getta, but Getta instead Dueled Roa, who had met up with Yuga and his friends. Getta was defeated, and Nail dropped him down a trapdoor for losing, though Roa tried to catch Getta. Despite Roa's efforts, Getta was still dropped down the chute after he learned that Roa had tried to replace him.
Nail worked throughout the night analyzing Kaizo's data, continuing to find the word "Road" mentioned in its logs. As he lay in Sebastian that morning, Sebastian expressed concern over Nail's workrate and requested to be allowed to Duel Yuga, citing Yuga as only worthy of sitting on a mass-produced bicycle seat in comparison to Nail, who was worthy of sitting on Sebastian. Nail allowed Sebastian to do so, but Sebastian was defeated by Yuga, and Nail sent Yuga back to the surface after doing so. After his Rush Duel with Yuga, Sebastian apologized to Nail for his loss that night and stated that he was unworthy of serving Nail and that a new massage chair would be sent for him. Nail replied that he didn't want another massage chair, causing Sebastian to begin crying. He asked what was happening, as this wasn't part of his program, but Nail did not answer him.
Mimi, one of the Tops of Hexagon, came to Nail and requested to Duel Yuga and his friends. Aware that Mimi had been judged by the system to be part of Yuga's group and that she would incur a penalty on the entire group whether she won or lost, Nail agreed to her request, though he did not divulge the outcome to her, only cautioning her not to regret whatever happened. Mimi wound up Dueling her son Yoshio Atachi after he was dragged into the Garden of Providence when Nail took Yuga and his friends into the Garden again and Mimi was defeated, resulting in all the members of Yuga's group being penalized. Nail contacted them and explained what had happened, and was surprised when Yuga deduced that Nail hadn't allowed the incident to happen out of malice; Nail confirmed that he would not alter his providence. The following day, Nail directly dropped Yuga, Gakuto, Luke and Romin into the Garden of Providence from the Road Laboratory, also capturing Menzaburo Oomori, who found Noodle Sorako at the Space House and Dueled and defeated her.
Yuga and his friends went to the A.I. Restaurant for a meal, and Luke wound up Rush Dueling Arai again. Despite Arai cheating even more than before, Luke defeated him, and Yuga was able to get Arai to tell him where the Gate of Providence was. After Luke unlocked the door to the Garden of Providence, Nail dropped Arai into the Garden for his failures. Nail continued to work on Kaizo's original data, and this combined with his observations of Yuga allowed him to reverse-engineer the Rush Dueling code, though he still didn't completely understand it. When Nail noticed a gap in the code of Rush Dueling that could be added to, he realized he was being drawn into Yuga's road, though he found the thought irresistible. The Tops of Hexagon then arrived to visit Nail and Sebastian, intending to fire Nail and Mimi for not supporting their decision by defeating him in a Duel, claiming that Nail's autonomy had become unacceptable. Nail however was more interested in developing his new concept, the Maximum Summon, and he realized that he could use Real-Time Duel Programming to add it to the gaps in the code. He accepted the Tops' challenge under the condition that they Rush Duel, and used the five Duels with the Tops of Hexagon to install Maximum Summoning. After defeating the five Tops, Nail rewrote the Duel ID cards of Number 1, Number 2 and Number 4 into "Yggdrago the Heavenly Emperor Dragon Tree", but the ID cards of Number 3 and Number 5 rejected the rewrite.
Yuga, Luke, Gakuto and Romin then arrived at Nail's haven, and Nail and Sebastian 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" up to be destroyed by Yuga, while trying to bait Yuga into Tribute Summoning "Sevens Road Magician" so he could destroy it with "Trap Hole", but Yuga's use of the Spell/Trap destroying "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" to begin cycling through his Deck in search of his Maximum Monsters. 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 Heavenly Emperor Dragon Tree" to his hand and Maximum Summon it, destroying "Sevens Road Magician" and defeating Yuga. 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.
Nail visited the Goha Duel Museum a few days after defeating Yuga, where he found Yuga, Luke, Romin and Gakuto in the Dueling History exhibit, commenting that they'd saved him the trouble of finding them, though Luke initially mistook Nail for a model. After criticizing Luke's grades, Nail suggested that Yuga was trying to visit the Duel Museum while he could still Duel, but was shocked to learn that Yuga had five penalties and he accused him of wasting his four attempts to defeat him. Anticipating the end of Rush Duels, Nail and Yuga Dueled in the Duel Museum despite Sebastian's cautioning, with Yuga starting defensively. Nail quickly amassed the cards he needed to Maximum Summon, telling Yuga that his Roads and Rush Dueling were inconsequential in the universe, and he Maximum Summoned "Yggdrago the Heavenly Emperor Dragon Tree", bringing them to the top of the Goha Corporation Main Office to continue the Duel. Yuga tried to destroy "Yggdrago" with a Trap Card, but "Yggdrago's" Continuous Effect protected it, and Nail explained the effects of "Yggdrago" to Yuga and his friends before activating the remaining ones to destroy "Bascule the Moving Fortress" and change Yuga's "Stray Familiar" to Attack Position before attacking with "Yggdrago". However, Yuga was able to prevent all of the battle damage, though Nail believed Yuga would be unable to defend against his Maximum for long. To his shock, Yuga's Duel Disk suddenly began running Real-Time Rush Duel Programming and Yuga drew Maximum Monsters of his own, which he explained he had created by rewriting his friends' Duel ID cards. Nail was shocked that Yuga would sacrifice his friends' ID cards, though Romin told Nail they had entrusted them to Yuga. Yuga's Real-Time Rush Duel Programming then began to falter as his Duel Disk was unable to handle it, until Kaizo volunteered to increase the processing power. Yuga then Maximum Summoned "Super Magitek Deity Magnum Over Road" to oppose "Yggdrago".
Although the lower MAXIMUM ATK of "Magnum Over Road" was derided by Sebastian, Nail knew that could likely change quickly and was proven correct when the effect of "Magnum Over Road" allowed it to increase its ATK to surpass "Yggdrago", though Nail was able to prevent its destruction and damage Yuga with "Absurd Discharge", though the Trap proved unable to destroy "Magnum Over Road". 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 Over Road" to his hand to negate the attack with "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 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", 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, Sebastian 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 Over Road", though Nail believed he would still be able to end the Duel in a DRAW with his "Pair Annihilation" 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 Over Road" increased its ATK further based on the difference between their LP, allowing "Magnum Over Road" to destroy "Yggdrago" and defeat Nail before he could activate "Pair Annihilation".
With Nail's defeat, his account received its final penalty and his account was banned. As he had promised, Nail returned Kaizo's body and original data to Yuga, and as gratitude for what Yuga had shown him, he also had Sebastian restore Luke, Romin and Gakuto's accounts to their Duel ID cards, erasing Yuga's Maximum Monsters. He admitted to Yuga that the Duel would have been meaningless had they not Dueled under the same conditions and that the potential of his Rush Duels had opened the door to a new world.
Goha 6th Elementary
Nail interrupted a meeting between President Goha and the Tops of Hexagon as the Tops were accusing Nail of betraying the company. Nail insisted that he was not recognizing Rush Dueling, only its potential, but Goha called him naïve and declared that Rush Dueling was the enemy of the Goha Corporation and that they should all be working to crush it. Mimi later came to Nail to request that he provide an advisor to the Rush Duel Club that Yuga and his friends had formed so they could attend a training camp for the upcoming Rush Duel Tournament, so Nail dispatched Sebastian to serve as the club's advisor.
Nail was reading in Haven one day when Kaizo entered through a secret entrance only Nail and Sebastian knew about. Kaizo explained that Sebastian had told him of the entrance and that Yuga and his friends were in trouble, much to Nail's surprise. Kaizo explained he had left Sebastian Dueling someone, but was confident he would win easily. Kaizo explained to Nail that Yuga and his friends had been forced to transfer to Goha 6th Elementary by Asana Mutsuba, who had defeated Yuga in a Rush Duel using a Maximum Monster. Nail had not created the Maximum Monsters that Asana used, but after looking through old records at the Goha Corporation he deduced that the answer could lie in the underground outskirts of Goha City where Mutsuba Heavy Machinery had discarded a large number of prototype Duel Disks, and he enclosed this information in a video message to Yuga and sent Kaizo back to him with Hunt Goto, whose talent for sneezing in the presence of rare artefacts he theorized would allow Yuga to find the prototype Duel Disk cache. Yuga also asked to borrow "Yggdrago" if he was unable to recreate "Magnum Over Road", and Nail freely gave Kaizo the cards to give to Yuga.
Despite Kaizo's confidence that Sebastian would win his Duel, Sebastian had been defeated and severely damaged, so Nail had him recovered and began to repair him, explaining to him what Yuga had asked him for and the load that had been exerted on the Gohanium in the cache of Duel Disks he had told Yuga about, allowing the Duel ID cards within them to potentially be used to create Maximum Monsters. Following Yuga's Duel with Asana, Nail recalled how Mutsuba Heavy Machinery played a large part in Goha City's development and in the creation of Goha Duels, but as Drone technology advanced and times changed, the demand for heavy machinery decreased along with their business and they were merged into Goha. He believed the Mutsuba family the main reason they could enjoy Dueling today and that they should be appreciated more.
Team Battle Royal
Ranze Nanahoshi came to Haven to offer her services to Nail, having left the service of Gakuto, something that Nail noted was not part of his providence. Nail was approached by Yuga and Roa to join their team for the Goha Rush Duel Team Battle Royal, and the Goha Corporation consented to restore Nail's account for the duration of the tournament after he agreed, joining Yuga, Roa, Romin, Luke and Gakuto outside Goha Stadium alongside Sebastian, noting that being called out like this was not part of his providence.
As Ranze refused to leave his service, Nail had her investigate rumors of black-market Maximum Monsters, and she purchased "Hyper Engine Vast Vulcan [L]" from Hunt Goto, Kan Hakubutsu and Kaseki Hotta. Having deduced the source of the Maximums and aware that Yuga had been given a blank Duel ID card from Asana, Nail gave "Vast Vulcan [L]" to Yuga; Roa later acquired "Hyper Engine Vast Vulcan [R]" from a fan during the tournament and also gave it to Yuga. Due to "Yggdrago the Heavenly Emperor Dragon Tree", Nail assisted Team YugaNail with R in rising to the top of the leaderboard on the first day of the tournament. After a string of victories, Yuga took Nail and Roa to the Tahayasty Restaurant, where Nail developed a taste for the restaurant's Rush Ramen. Luke, Romin and Gakuto arrived as well, Luke expressing anger over Yuga "abandoning" him and Nail being part of his team and owning a Maximum, prompting the group to discuss both the black-market Maximums and the motives that Otes had, the latter of which Nail wasn't certain of (earning him teasing from Roa). Hunt, Kan and Kaseki then arrived and challenged Yuga to a Duel, which Nail agreed to let Yuga handle after being served Rush Ramen: Pork Maximum, much to Sebastian's disapproval. Nail finished his meal and came outside to watch Yuga and Hunt's Duel just as Hunt Maximum Summoned "Great Imperial Dinocarriage Dynarmix", nearly defeating Yuga. Ranze then arrived and revealed that she had been working for Nail, much to his irritation, and Luke's anger over not having a Maximum prompted Kan and Kaseki to confess what they had done. Nail, Yuga and Roa then revealed their assembly of a Maximum in Yuga's Deck, and Yuga was able to successfully Maximum Summon "Hyper Engine Vast Vulcan" and defeat Hunt. After the Duel, Gakuto asked Nail to take care of Ranze, though Nail and Sebastian insisted she return to Gakuto. Hunt, Kan and Kaseki apologized and admitted they'd sold all of their Maximums, Hunt further revealing that he had been assisted in excavating the Duel ID cards used to create them from Maximum Mountain by Goha 66.
The group decided to separate to investigate Goha 66; Nail, Yuga and Roa went to Haven to look for any mention of them in the Goha Corporation database, while Luke, Romin and Gakuto travelled to Maximum Mountain. However, Nail's search proved fruitless, and after Roa teased him over his failure to find any mention of Goha 66 in the database, they returned to the Tahayasty Restaurant for a break. As they arrived, Roa found the legend of the King of Duels on the wall and they hurried to ask the shopkeeper about it, only for him to laugh. To Nail's irritation, Ranze arrived and suggested that the shopkeeper was Otes, though by this point Yuga had spotted that the old man was laughing at a comedy routine on his phone and cleared up the misunderstanding. After the shopkeeper calmed down and Ranze left, they asked the shopkeeper about why the legend of the King of Duels was in his restaurant, and he explained that it had been given to him by a customer as payment a long time ago, though he didn't remember who. Nail, Yuga and Roa didn't believe him and tried to intimidate him into remembering, but instead he gave up the secret plan of Goha 66; to create a final firework as they retired from the Goha Corporation. As they left the restaurant, they were delivered a message by Trapigeon that explained Goha 66 were after the main Duel server to take over the Goha Corporation, supposedly located in Maximum Mountain, information that even Nail was not privy to and that he was shocked to learn. They continued participating in the tournament, Nail Dueling and defeating Braun Honya with "Yggdrago". After the Duel, Trapigeon delivered them another message that simply read "My best, most awesome plan to take over Goha", which had been given to the leader of Goha 66. Flash Umiko then announced that their team was leading Luke's by seven points, so they would face-off in the finals the next day.
Suspecting that the person who had pointed Goha 66 to Maximum Mountain was behind the tournament, Nail ordered Sebastian, Arai and Nekoyama to examine the tournament data for any suspicious activity before he, Yuga and Roa entered Goha Stadium to face Luke, Romin and Gakuto; Yuga and Luke reaffirming their goals and convictions. Roa and Romin were selected to Duel first, and though Roa was able to gain an early lead with "Royal Demon's Death Doom", Romin pushed him into a corner with her Jam strategy until Getta and Ushiro Omaeno returned to support Roa. Roa almost defeated Romin with "Royal Demon's Heavymetal", "Invasion" and "Death Doom", but Romin was able to survive his attacks and make a comeback, defeating him and putting them on equal points with Nail's team; Nail was surprised at Yuga joining in the crowd's cheers for Romin. After the Duel, Getta and Ushiro offered to help determine who was behind the tournament. The next match was Nail vs. Gakuto, and before the Duel Yuga asked Nail if any progress had been made by Sebastian and the others and Nail confirmed they hadn't; Roa reassured them he'd sent Getta to help out. Ranze attended to Nail before the Duel, despite Nail asking her not to, but to their surprise Gakuto unveiled a new Sogetsu Style; "Gakuting" in an effort to act distinguished. Deciding that such an embarrassing display would be a Duel that Gakuto would come to regret, Nail quickly assembled the pieces of "Yggdrago" and Maximum Summoned it, destroying two of Gakuto's "Checkrael the Sun Angel, Yo" and reducing him to 1500 LP. On his next turn Gakuto returned to his usual garb and persona, vowing to Duel in a distinguished manner and bringing out "Demonic Hermit Vessel Kachisuzaku", increasing its ATK with "Wicked Warding Weasel's Wind", an effect that would normally give Nail a chance to change his monster into Defense Position, but "Yggdrago" could not exist in Defense Position as it was a Maximum and Nail praised Gakuto for deducing so. Gakuto increased the ATK of "Kachisuzaku" high enough to defeat "Yggdrago", but Nail was able to prevent its destruction. On his next turn, Nail used the effects to "Yggdrago" to break through the defense of one of Gakuto's monsters, and though Gakuto believed he would be able to weather Nail's attack with "Kachisuzaku", Nail instead destroyed it with "Tribute to The Doomed", chiding Gakuto for only paying attention to his Maximum. As he attacked Gakuto directly with "Yggdrago", Gakuto activated "Refined Rulers - The Three Fiendish Commanders", inflicting the ATK of "Yggdrago" to them both after returning his three "Rulers" to his Deck and ending the Duel in a DRAW. The impact severely battered Nail, so Roa tidied up his hair after the Duel and Yuga complimented Nail on a fun Duel with Gakuto; Nail admitted that he'd enjoyed himself as well. Ranze then requested to graduate from the "Saionji Style" and rejoin Gakuto, a request Nail was only too happy to grant, before Yuga and Luke faced off for the final Duel of the finals.
Nail uses a Cyberse Deck that focuses on the Tron series of monsters, which are visually based on plants. His strategy focuses on continually manipulating the cards in his hand to draw the necessary cards to Maximum Summon "Yggdrago the Heavenly Emperor Dragon Tree". Many of his Spell and Trap Cards are based on quantum mechanics, including several "Hole" Traps, befitting his constant use of pitfall traps in the Garden of Providence. His non-Maximum monsters are largely based on metric prefixes that decrease in size from pico ("Picock Hightron"), to femto ("Femtron"), to atto ("Attron"), to zepto ("Zeptron"), to yocto ("Yoctron"). Once "Yggdrago" is on the field, Nail's strategy switches to supporting it by either preventing it from being destroyed or increasing its ATK, while also impairing his opponent's moves.
|Unknown Duelist||17||Win (flashback)|
|Number Five, Number Four, Number Three, Number Two and Number One||23||Win|
|108 unknown Duelists||45-48||Win (with Yuga Ohdo and Roa Kirishima)|
- Yu-Gi-Oh! SEVENS episode 17: "The Cat in the Garden of Providence"
- Yu-Gi-Oh! SEVENS episode 19: "The One Who Is a Throne"
- Yu-Gi-Oh! SEVENS episode 13: "Another King"
- Yu-Gi-Oh! SEVENS episode 18: "Sorry, Gett-A Chance"
- Yu-Gi-Oh! SEVENS episode 26: "Maximum Duel!"
- Yu-Gi-Oh! SEVENS episode 14: "Romin's Kitchen"
- Yu-Gi-Oh! SEVENS episode 15: "Setting Sail! Goha Fisheries Elementary"
- Yu-Gi-Oh! SEVENS episode 16: "The Man Who Washes Duels"
- Yu-Gi-Oh! SEVENS episode 20: "It's Tough Being an Adult"
- Yu-Gi-Oh! SEVENS episode 21: "Close Encounters of the Noodle Kind"
- Yu-Gi-Oh! SEVENS episode 22: "The Sealed Devil"
- Yu-Gi-Oh! SEVENS episode 23: "What Lies Beyond Providence"
- Yu-Gi-Oh! SEVENS episode 38: "Unearth the Maximum!"
- Yu-Gi-Oh! SEVENS episode 24: "Resolve"
- Yu-Gi-Oh! SEVENS episode 25: "Dreams, Courage, and Friendship"
- Yu-Gi-Oh! SEVENS episode 27: "The Luke Club Is Born!"
- Yu-Gi-Oh! SEVENS episode 28: "Training Camp! Sushi Duel"
- Yu-Gi-Oh! SEVENS episode 34: "The Shiatsu Nether-Empire Strikes Back"
- Yu-Gi-Oh! SEVENS episode 35: "Sound! Gohanium"
- Yu-Gi-Oh! SEVENS episode 39: "Bring it Back! Mutsuba's Pride!"
- Yu-Gi-Oh! SEVENS episode 41: "I'll Yameruler the Sogetsu Style"
- Yu-Gi-Oh! SEVENS episode 44: "Dissonance"
- Yu-Gi-Oh! SEVENS episode 45: "Upstart Hunter"
- Yu-Gi-Oh! SEVENS episode 46: "Back to the Past"
- Yu-Gi-Oh! SEVENS episode 47: "The Employee's Counterattack"
- Yu-Gi-Oh! SEVENS episode 48: "Clash of Secret Techniques!"
- Yu-Gi-Oh! SEVENS episode 49: "RoaRomin"
- Yu-Gi-Oh! SEVENS episode 50: "Gakuting"
- A second copy of this card is sent to the bottom of the Deck by the effect of "Quantum Hole" in episode 23.
- A second copy of this card is sent to the GY by the effect of "Yoctron" in episode 25.
- A third copy of this card can be seen in Nail's hand in episode 26.
- Two copies of this card are sent to the GY by the effect of "Pair Production" in episode 26.
- A second copy of this card is sent to the bottom of the Deck by the effect of "Zeptron" in episode 23.
- A second copy of this card can be seen in Nail's hand in episode 26.
- Nail creates this card during the events of episode 23 by rewriting the Duel ID cards of Number 1, Number 2, and Number 4 of the Tops of Hexagon. He later gives them to Kaizo so Yuga can borrow them if he needs to and they are returned to him prior to episode 45.
- A third copy of this card is sent to the GY by the effect of "Yoctron" in episode 23.