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{{Infobox/Yu-Gi-Oh!/Episodeepisode | image name = DDD.png | image caption = [[Declan Akaba|Declan]] stands with his "[[D/D/D]]" [[Extra Deck]] monsters. | kanji en_name = ＤＤＤ　異次元の王Battle Under the Big Top | ruby japanese ja_name = ＤＤＤ　異次元の王 | romaji romaji_name = Dīdīdī Ijigen no Ō | japanese translated ja_trans_name = DDD: King of the Different Dimension | english series = Battle Under the Big TopYu-Gi-Oh! ARC-V | japanese air date number = June 29, 201412 | english air date season = October 16, 20151 | french air date = April 30, 2015ja_opening | german air date = May 22, 2015 | italian air date = May 21, 2015 | japanese opening = [[Believe x Believe]] | english opening en_theme = [[Can you Feel the Power]] | japanese ending ja_ending = [[One Step]] | english ending screenwriter = [[Can you Feel the PowerTsutomu Kamishiro]] | screenwriter director = | storyboard_artist = | animation_director = | ja_air_date = June 29, 2014| en_air_date = Kamishiro TsutomuOctober 16, 2015 | director fr_air_date = April 30, 2015 | storyboard artist de_air_date = May 22, 2015 | animation director it_air_date = May 21, 2015

"'''Battle Under the Big Top'''" , known as "'''DDD: King of the Different Dimension'''" in the Japanese version, is the twelfth episode of the ''[[Yu-Gi-Oh! ARC-V]]'' anime. It first aired in Japan on June 29, 2014 and in Canada on October 16, 2015. It became available with official subtitles via Crunchyroll on November 15, 2016.

{{episode summary|As if responding to [[Henrietta Akaba|Henrietta]]'s voice when she suggests a way to settle the fight between [[You Show Duel School]] and [[Leo Institute of Dueling]], [[Declan Akaba|Declan]] finally appears, volunteering to be [[Yuya Sakaki|Yuya]]'s opponent. Though Yuya tries to hide how nervous he is, he promises to not forget his usual "cheerful and fun" Dueling style. Then the [[Duel]] starts and the strategy Declan employs surpasses everyone’s wildest expectations.}}

[[File:ARC-V012Declan stares Yuya down.png|thumb|left|250px|[[Declan Akaba|Declan]] and [[Yuya Sakaki|Yuya]] stare one another down.]][[Declan Akaba|Declan]] and Yuya stare each other down. Behind Yuya, [[Ally]] whispers that Yuya put his goggles on, and [[Frederick]] wonders what's wrong with him. , while [[Tate]] simply murmurs "big brother Yuya." (in the dub, Ally calls Yuya a nervous wreck, while Frederick and Tate muse that if Yuya loses, LID will take You Show) [[Gong Strong|Gong]] admits to having realized his own cowardice(in the dub, Gong begs Yuya to forgive him); if he had won his [[Duel]] with Kit, he could have prevented putting such needless pressure on Yuya. Taking a bite from a chocolate bar, [[Sora Perse|Sora]] comments that he doesn't know about that, much to Frederick's surprise. He notes , noting that it looks like Yuya's not under any pressure at all and he's ready to fight(in the dub, Sora also says Yuya is as cool as a penguin on an iceberg). Yuya notes that ''this'' is the real final match. He, vowing that he'll definitely win and protect [[You Show Duel School]], and [[Yusho Sakaki|his father's]] Dueling(Yuya does not mention his father in the dub). Gong and Ally voice their support(in the dub, Futoshi only Tate says LID better watch out), with Frederick adding that they've got [[Pendulum Summon]]ing on their side. and Ally states stating that there's no way Pendulum Summoning will lose. [[Skip Boyle|Skip]] looks down proudly from the operator's box as Tate states that Yuya will definitely win, but [[Henrietta Akaba|Henrietta]] interrupts, wondering about that(in the dub, Henrietta calls the children naïve). They don't seem to how strong Declan is. Skip recognizes the name in surprise. Declan remarks that that's enough cheering for now, isn't it? (in the dub, Declan says the time for talk is over) For now, he'd prefer them to be silent and watch their Duel. Skip looks through information on his [[Duel Disk]], and he finds what he feared.

[[File:ARC-V012Yuya grits his teeth.png|thumb|right|250px|Yuya is uncharacteristically angry.]]Declan and Yuya adjourn to the Duel Field. Declan remains impassive, but Yuya is visibly angered. Ally clings to [[Zuzu Boyle|Zuzu]], admitting and admits that it's scary. Zuzu privately agrees, it's not like Yuya at all, though Gong believes that Yuya's just concentrating on his match(in the dub, Zuzu reassures Ally it will be okay, while Gong believes that Yuya can take on Declan). Zuzu isn't convinced, and she gets a look of determination on her face. She tells Yuya to laugh, reminding him that You Show Duel School is about fun and entertaining Duels, and to smile. Yuya smiles, and he agrees. Bright and fun entertainment is his motto. He declares that he'll show it to them, the best entertainment and the best Duel. His friends cheer. Henrietta wonders how long he'll be able to keep smiling(in the dub, Henrietta says she cannot wait to see the grin wiped off of Yuya's face). Yuya asks Declan what he wants for the Action Field, but Declan simply replies that Yuya can choose whichever he wants. Smiling, Yuya raises his hand towards Skip, who knows that Yuya's saying that he's is counting on him again. But if Declan is ''the'' Declan Akaba, then he's a Duelist who has the qualifications to be a Pro. It may seem underhanded, but he's going to protect the Duel School by giving them Yuya's best field. Telling Yuya to show them the best entertainment on the best field for it, Skip activates the Action [[Field Spell Card]], "[[Athletic Circus]]". The beams of light from the Solid Vision generator align themselves, and multiple floating balls, poles surrounded by platforms, and other circus-related structures appear in a darkened room lit with colored lights. Yuya and Declan stand on the edges of a sun shaped blue and purple mat. Sora observes excitedly that it's the circus, and Gong explains that the field is Yuya's forte. He tells Skip that his manly spirit is supporting Yuya. Satisfied, Skip sits down, believing that he's down all he can for Yuya. The rest is up to him. Yuya thanks Skip, and turns back to Declan, stating that living up to expectations is what it means to be an entertainer. He'll show them all an amazing Duel. Yuya happily activates his Duel Disk.

[[File:ARC-V012AcrobaticCircusActivated.png|thumb|left|250px|"Duelists locked in battle![[Acrobatic Circus]]" Zuzu cheersis [[activate]]d. "Kicking against ]]Telling Yuya to show them the best entertainment on the earth and dancing in best field for it, Skip activates the air alongside their monsters!" Tate continues. "They storm through this Action [[Field!Spell Card]], " Frederick adds. [[Acrobatic Circus]]"Behold!" Ally cries. "This is The beams of light from the newest Solid Vision generator align themselves, and greatest evolution multiple floating balls, poles surrounded by platforms, and other circus-related structures appear in a darkened room lit with colored lights. Yuya and Declan stand on the edges of Dueling!" All four cheer "ACTION!" as a sun shaped blue and purple mat. Sora observes excitedly that it's the circus, and Gong explains that the [[Action Card]]field is Yuya's explode into forte. He tells Skip that his manly spirit is supporting Yuya (in the dub, Sora comments that the only thing missing on this fieldis clowns; Gong replies that Yuya has that part covered, since this field is his specialty). Satisfied, Skip sits down, believing that he's done all he can for Yuya. The rest is up to him. Yuya thanks Skip, and turns back to Declan and , stating that living up to expectations is what it means to be an entertainer. He'll show them all an amazing Duel. Yuya finish the statement with a cry of "DUEL!"happily activates his Duel Disk.

Yuya lets Declan go first, as thanks for letting Yuya pick the stage. Declan seems confused, repeating the words, but then realizes that this is how Yuya thinks. Yuya is confused at the statement, but doesn't get time to dwell on it as Declan accepts Yuya's offer and begins his turn. He declares that he's [[activate|activating]] three [[Spell Card]]s from his [[hand]], and activates the first one, the [[Continuous Spell Card]], "[[Dark Contract with the Gate (anime)|Dark Contract with the Gate]]Duelists locked in battle!". It will inflict 1000 points of [[effect damage|damage]] to Declan during his own [[Standby Phase]]. Yuya, Zuzu and Gong are all shocked at the [[card effect|effect]], but Declan reveals that, additionally, he can add a [[Level 4 Monster Cards|Level 4]] or lower "[[D/D]]" monster from his [[Main Deck|Deck]] to his hand once per [[turn]]cheers. His Duel Disk ejects a card, "[[D/D Cerberus (anime)|D/D Cerberus]]". Frederick is confused by Kicking against the English anagram, earth and Sora explains that it stands for "Different Dimension," referring to an alternate plane. Declan then activates ''another'' "Dark Contract with dancing in the Gateair alongside their monsters!", which will thus result in him taking 2000 damage during his next Standby PhaseTate continues. However, once again, Declan can add a Level 4 or lower "D/D" monster from his Deck to his hand, and They storm through this time he chooses "[[D/D Lilith (anime)|D/D Lilith]]Field!"Frederick adds. Then he activates the third Spell Card, another Continuous Spell Card called "[[Dark Contract with the Swamp King (anime)|Dark Contract with the Swamp King]]Behold!"Ally cries. Like "This is the others, it also inflicts 1000 points of damage to Declan during his own Standby Phase. Yuya observes that now it's up to 3000 points of damage, newest and he wonders just what Declan's trying to accomplish with this many Life Points at risk. "[[King greatest evolution of the Swamp]]Dueling!" appears behind Declan as he explains that All four cheer "Dark Contract with the Swamp KingACTION!" allows him to [[Fusion Summon]] without using a Fusion Spell card (technically not true - Swamp King itself acts as the Fusion Spell in this situation). Both Sora and Yuya are shocked as Declan [[Fusion Material Monster|fusesAction Card]] his "D/D Cerberus" and "D/D Lilith" from his hand, the monsters appearing above him as he holds up s explode into the cards and he chants "Hellhound which bares its fangs, seductress of dark night! In whirlpool of light from the realm of the deadfield, become one and give birth to a new King!" The monsters vanish into the Fusion vortex as Declan declares "Fusion Summon! Be born, [[D/D/D Flame King Genghis (anime)|D/D/D Flame King Genghis]]!" A warrior-like fiend wreathed in fire appears, with 2000 [[ATK]]. and Yuya is amazed, and Gong declares that Declan is a [[Fusion Monster|Fusion]] user. Zuzu points out that Declan took a huge risk just to Summon that one monster, while finish the group takes note that the monster is statement with a cry of "[[D/D/D]]DUEL!" monster, wondering what that means. But Sora doesn't tell them, as he's floored by the Fusion Summon. Isn't this completely different? he asks himself. "Could this be the real...but..." he muses. Skip scans the reports on Declan - there's no record of him using Fusion Summons (in his previous Duels, and since he showed such overwhelming strength without them, this may mean he's become even stronger. He wonders if Yuya can win. Henrietta just smiles. Declan [[Set]]s the last two cards in his hand, ending his turn. Yuya is surprised, but Declan simply adjusts his glasses and he smiles. Ally is furious at his attitudedub, Zuzu announces that You Show has chosen its champion; Tate and Frederick points out declare that Declanis taking on You Show's just a substitute for LID's fourth playerstar student, does he think this will be a walkover. Sora admits that it could happen, assuming that Declan risked 3000 damage just because he underestimated Yuya. Gong is particularly offended, calling it a disgrace to Duelists everywhere. The group encourage Yuya to win, Frederick telling Yuya to shiver Declan into a pulp. Yuya thanks them, but what will really make Declan shiver is his Entertainment Dueling.)

Running forwards, he leaps into the air as he begins his turn and draws a card, Summoning [[File:ARC-V012Declan Fusion Summons DDD Flame King Genghis.png|thumb|right|250px|Declan [[Fusion Summon]]s "[[Performapal Whip Snake D/D/D Flame King Genghis (anime)|Performapal Whip SnakeD/D/D Flame King Genghis]]". Landing on a platform with "Whip Snake"]]Yuya lets Declan go first, he activates its effectas thanks for letting Yuya pick the stage. Declan seems confused, switching repeating the ATK and [[DEF]] words, but then realizes that this is how Yuya thinks (in the dub, Declan says Yuya's offer tells him a lot about what kind of "Genghis"a competitor Yuya is). "Whip Snake" swings Yuya is confused at the charm statement, but doesn't get time to dwell on its tail, hypnotizing "Genghis", and the large monster drops its massive sword it as its ATK becomes 1500. Ally Declan accepts Yuya's offer and Tate cheer that the ATK of "Genghis" went down and now "Whip Snake" can destroy it, while Frederick gets begins his "shiversturn." Yuya He declares that he's [[activate|activating]] three [[Spell Card]]s from his [[Battle Phasehand]], attacking with "Whip Snake". Declan responds immediately with a and activates the first one, the [[Continuous Trap Spell Card]], "[[Dark Contract with the Witch Gate (anime)|Dark Contract with the WitchGate]]", which, as Zuzu and Gong are quick to notice, will inflict 1000 points of [[effect damage|damage ]] to Declan during his own [[Standby Phase]]. Yuya, but increases Zuzu and Gong are all shocked at the ATK of all [[Fiendcard effect|effect]]-Type monsters , but Declan reveals that additionally, he controls by 1000 during can [[Add a card|add]] a [[Level 4 Monster Cards|Level 4]] or lower "[[D/D]]" monster from his [[Main Deck|Deck]] to his opponent's hand [[once per turn]], and his Duel Disk ejects "[[D/D Cerberus (anime)|D/D Cerberus]]". Yuya Frederick is already leaping confused by the English anagram, and Sora explains that it stands for "Different Dimension," an Action Card as Frederick bemoans that the attack wonalternate plane. Declan then activates ''another''t go through, and "Whip SnakeDark Contract with the Gate" is pulling itself up short , which will thus result in horrorhim taking 2000 damage during his next Standby Phase. Landing on another high platformHowever, Yuya activates the Action Cardonce again Declan can add a Level 4 or lower "D/D" monster from his Deck to his hand, and this time he chooses "[[High DiveD/D Lilith (anime)|D/D Lilith]]". Then he activates the third Spell Card, another Continuous Spell Card, which increases the ATK of "Whip Snake" by 1000 until the [[End PhaseDark Contract with the Swamp King (anime)|Dark Contract with the Swamp King]]". A trampoline appears on Like the groundothers, and "Whip Snake" lands on it, bouncing into the air and glowing red as its ATK increases also inflicts 1000 damage to 2700Declan during his own Standby Phase. Gong cheers appreciativelyYuya observes that now it's up to 3000 damage, and Ally and Tate declare that ithe wonders just what Declan's another comeback (Frederick getting his trying to accomplish with this many LP at risk. "shivers[[King of the Swamp]]" again). appears behind Declan has as he explains that "GenghisDark Contract with the Swamp King" throw allows him at a ball, and he grabs an Action Card from it, then he leaps onto another, activating his last to [[Trap CardFusion Summon]] with without using a smile. The ATK of Fusion Spell card (technically not true - "GenghisSwamp King" decreases, and itself acts as the attack of "Whip Snake" connects, causing an explosion of smoke, Fusion Spell in this situation). Both Sora and the kids believe Yuya's done it, are shocked as do the shocked Kit, Julia and Declan [[Dipper O'rionFusion Material Monster|Dipperfuses]], but Henrietta smiles, and she's proven right when his "GenghisD/D Cerberus" is shown to be still standing. and "Whip SnakeD/D Lilith" hops back to Yuyafrom his hand, the monsters appearing above him as he holds up the cards and everyone wonders what happened in shock. Declan explains that he activated his own Action Cardchants "Hellhound which bares its fangs, seductress of dark night! In whirlpool of light from the realm of the dead, become one and give birth to a new King!"The monsters vanish into the Fusion vortex as Declan declares "Fusion Summon! Be born, [[EvasionD/D/D Flame King Genghis (anime)|D/D/D Flame King Genghis]]!"A warrior-like fiend wreathed in fire appears, negating the attack. Yuya laughs, commenting that Declan's putting on quite a show, isn't he? Skip muses that the two are looking pretty even right nowwith 2000 [[ATK]].

Zuzu protests that they[[File:ARC-V012Sora shocked by Declans Fusion.png|thumb|left|250px|[[Sora Perse|Sora]] is shocked by Declan're nots Fusion Summon.]]Yuya is amazed, and Gong agrees, reminding them declares that Declan has four "is a [[Dark ContractFusion Monster|Fusion]]s" out, and he will take 4000 damage in his next turnuser. Zuzu points out that if Yuya ends his turn nowDeclan took a huge risk just to Summon that one monster, he can win. Frederick comments while the group takes note that it's pretty anticlimacticthe monster is a "[[D/D/D]]" monster, and Tate suggests wondering what that it was a mistake in Declan's strategymeans. But Sora wonders about that; doesn't tell them, as he gets 's floored by the feeling that Declan isnFusion Summon. Isn't the type of guy to make such a simple mistake, and the fact that the ATK of this completely different? he asks himself. "Genghis" decreased before Could this be the attack of "Whip Viper" was negated has been bothering himreal...but.. Skip seems to have noticed it too. Yuya" he muses (in the dub, meanwhile, is looking uncertain, while Sora has a bad feeling about Declan chuckles slightly. Yuya asks him what's so funnymonster; if that monster is as strong as it is terrifying, and Yuya will be in trouble). Skip scans the reports on Declan apologizes, as he was remembering Yuya- there's words before the match. Yuya seems to be a very kind person, but such kindness is useless on the stage no record of battle. Despite being given the opportunity to win by simply ending him using Fusion Summons in his turn, Yuya hesitatesprevious Duels, and most likelysince he showed such overwhelming strength without them, that kindness of Yuyathis may mean he's is to blamebecome even stronger. He asks wonders if Yuya can win. Henrietta just what he can hope to achieve with such naivetysmiles. Frederick wonders what Declan's talking about, but Gong urges Yuya not to listen, and Ally and Tate encourage Yuya to end his turn. But Yuya instead Sets a [[Spell CardSet]] firsts the last two cards in his hand, before ending his turn. Yuya is surprised, and the ATK and DEF of both "Genghis" and "Whip Snake" return to normal. He tells but Declan to take the 4000 damage from simply adjusts his four "Dark Contracts", which appear in front of Declan. Declan glasses and he smiles darkly. "Dark Contracts?" he asks. "Those measly things..." All four cards explodeAlly is furious at his attitude, to the shock of the onlookers. and Frederick points out that Declan explains that the "Dark Contracts" were nullified's just a substitute for LID's fourth player, as does he had already activated the Trap Card, "[[Contract Laundering think this will be a walkover (anime)|Contract Laundering]]", which negated in the effects of the "Dark Contracts"dub, and then destroyed all the effected cards during the End Phase. Sora realizes that this is Frederick wonders why Declan did not Duel in the ATK best out of "Genghis" three Duel match if he was reducedthis powerful). Gong asks if this means Sora admits that it could happen (in the dub, Sora says Declan also nullified the 4000 damage could just be overconfident), assuming that the cards would have inflicted to him. Declan explains further that risked 3000 damage just because he can also draw cards equal underestimated Yuya. Gong is particularly offended, calling it a disgrace to Duelists everywhere (in the number of destroyed "Dark Contracts"dub, Gong says Declan's Deck should be demolished for this act). The group encourage Yuya to win, with Frederick telling Yuya to shiver Declan into a pulp. Yuya thanks them, and thus he draws four new cardsbut what will really make Declan shiver is his Dueltaining.

[[File:ARC-V012GenghisATKmysteriouslydecreases.png|thumb|right|250px|The [[ATK]] of "Flame King Genghis" mysteriously reduces as "[[Performapal Whip Snake (anime)|Performapal Whip Snake]]" [[attack]]s.]]Yuya closes runs and leaps into the air as he begins his eyesturn and draws a card. He Summons "[[Performapal Whip Snake (anime)|Performapal Whip Snake]]". and lands on a platform with it. Yuya activates its effect, which lets him switch the ATK and [[DEF]] of "Genghis". "Whip Snake" swings the charm on its tail, hypnotizing "Genghis", admitting and the large monster drops its massive sword as its ATK becomes 1500. Ally and Tate cheer that the ATK of "Genghis" went down and now "Whip Snake" can destroy it had been to good to be true, but he wouldn't have been happy if he'd won from thatwhile Frederick gets his "shivers. It would have meant that he couldn't have shown off " Yuya declares his Entertainment Dueling that everyone had been looking forward to[[Battle Phase]] and attacks with "Whip Snake". He explains that it may seem to Declan like responds immediately with a naïve way [[Continuous Trap Card]], "[[Dark Contract with the Witch (anime)|Dark Contract with the Witch]]", which, as Zuzu and Gong are quick to thinknotice, as will inflict 1000 damage to Declan adjusts during his glassesown Standby Phase, but Yuya wants to win with increases the Entertainment Dueling that was passed down from ATK of all [[Fiend]]-Type monsters he controls by 1000 during his father. "With Yusho Sakakiopponent's Dueling?" Declan asksturn. Yuya is shockedalready leaping for an Action Card as Frederick bemoans that the attack won't go through, asking if Declan knows Yushoand "Whip Snake" is pulling itself up short in horror. Kit rudely cuts inLanding on another high platform, pointing out that of course they know him; Yuya's father is famousactivates the Action Card, "[[High Dive]]", after allwhich increases the ATK of "Whip Snake" by 1000 until the [[End Phase]]. As A trampoline appears on the former champion who ran awayground, Dipper adds. and "SILENCE!Whip Snake" Declan roars. Kit and Dipper freeze uplands on it, bouncing into the air and Julia calls them idiots. Declan asks them glowing red as its ATK increases to pardon his outburst2700. Of courseGong cheers appreciatively, Declan is aware of Yusho Sakaki, who pioneered and Ally and Tate declare that it's another comeback (Frederick getting his "shivers" again; their current Action Duelingcheers are cut from the dub). Declan respects has "Genghis" throw him at a ball, and he grabs an Action Card from it, then he leaps onto another, activating his last [[Trap Card]] with a smile. The ATK of "Genghis" decreases, and the bottom attack of his heart. He declares that he"Whip Snake" connects, causing an explosion of smoke, and the kids believe Yuya'll have Yuya show s done it , as do the shocked Kit, Julia and [[Dipper O'rion|Dipper]], but Henrietta smiles, and she's proven right when "Genghis" is shown to be still standing. "Whip Snake" hops back to him todayYuya, the Entertainment Dueling and everyone wonders what happened in shock. Declan explains that he inherited from activated his fatherown Action Card, "[[Evasion]]", negating the attack. And Yuya laughs and comments that Declan's putting on quite a show (in exchangethe dub, Declan will Yuya admits he couldn't have to reveal the full extent of his abilitiesdone it better himself). Yuya is floored, asking if this means Skip muses that, up until the two are looking pretty even right now...

[[File:ARC-V012DeclansDarkContractsexplode.png|thumb|left|250px|Declan's "[[Dark Contract]]s" explode.]]Zuzu protests that they're not, and Gong agrees, reminding them that Declan has four "[[Dark Contract]]s" out and will take 4000 damage in his next turn. Zuzu points out that if Yuya ends his turn now, he can win. Frederick comments that it's pretty anticlimactic, and Tate suggests that it was a mistake in Declan's strategy. Sora isn't sure, he gets the feeling that Declan isn't the type of guy to make such a simple mistake, and the fact that the ATK of "Genghis" decreased before the attack of "Whip Snake" was negated has been bothering him (in the dub, Sora adds that even if Yuya would go for an easy win, he could just walk straight into an enemy trap). Skip seems to have noticed it too. Yuya, meanwhile, is looking uncertain, while Declan chuckles slightly. Yuya asks him what's so funny, and Declan apologizes, as he was remembering Yuya's words before the match. Yuya seems to be a very kind person, but such kindness is useless on the stage of battle. Despite being given the opportunity to win by simply ending his turn, Yuya hesitates, and most likely, that kindness of Yuya's is to blame. He asks Yuya just what he can hope to achieve with such naivety. Frederick wonders what Declan's talking about, but Gong urges Yuya not to listen, and Ally and Tate encourage Yuya to end his turn. But Yuya instead Sets a [[Spell Card]] first, before ending his turn, and the ATK and DEF of both "Genghis" and "Whip Snake" return to normal. He tells Declan to take the 4000 damage from his four "Dark Contracts", which appear in front of Declan. Declan smiles darkly. "Dark Contracts?" he asks, "Those measly things..." ("Excuse me? What 'Contracts?'" in the dub) All four cards explode, to the shock of the onlookers. Declan explains that the "Dark Contracts" were nullified, as he had already activated the Trap Card, "[[Contract Laundering (anime)|Contract Laundering]]", which negated the effects of the "Dark Contracts", and then destroyed all the affected cards during the End Phase (in the dub, Declan adds that it's true what they say about contracts: they're only as good as the cards they're written on). Sora realizes that this is why the ATK of "Genghis" was reduced. Gong asks if this means that Declan also nullified the 4000 damage that the cards would have inflicted to him. Declan explains further that he can also draw cards equal to the number of destroyed "Dark Contracts", and thus he draws four new cards. [[File:ARC-V012DeclanyellsatKitandDipper.png|thumb|right|250px|Declan yells at [[Kit Blade|Kit]] and [[Dipper O'rion|Dipper]] for insulting [[Yusho Sakaki]].]]Yuya closes his eyes, admitting that it had been to good to be true, but he wouldn't have been happy if he'd won from that. It would have meant that he couldn't have shown off his Dueltaining that everyone had been looking forward to. He explains that it may seem to Declan like a naïve way to think (in the dub, Yuya says he was glad he did not defeat Declan this turn), as Declan adjusts his glasses, but Yuya wants to win with the Dueltaining that was passed down from his father. "With Yusho Sakaki's Dueling?" Declan asks ("So that you're carrying on Yusho Sakai's legacy" in the dub). Yuya is shocked and asks if Declan knows Yusho. Kit rudely cuts in, pointing out that of course they know him; Yuya's father is famous, after all. As the former champion who ran away, Dipper adds. "SILENCE!" Declan roars. Kit and Dipper freeze up, and Julia calls them idiots. Declan asks them to pardon his outburst. Of course, Declan is aware of Yusho Sakaki, who pioneered their current Action Dueling. Declan respects him from the bottom of his heart. He declares that he'll have Yuya show it to him today, the Dueltaining that he inherited from his father. And in exchange, Declan will have to reveal the full extent of his abilities. Yuya is floored, asking if this means that, up until now... [[File:ARC-V012DeclansmonstersprepareSynchro.png|thumb|left|250px|Declan's "[[D/D Nighthowl (anime)|D/D Nighthowl]]" and "[[D/D Lilith (anime)|D/D Lilith]]" swing on the trapeze as they prepare to [[Synchro Summon]].]]Declan declares his turn, drawing and subsequently Summoning the [[Level 3 Monster Cards|Level 3]] [[Tuner monster]], "[[D/D Night Howl Nighthowl (anime)|D/D Night HowlNighthowl]]". Yuya is shocked, and Gong protests that he can't be. Henrietta smiles, replying that oh, but he is(in the dub, Gong remarks that the monster is a toothed monster, while Henrietta calls the moment perfect; the real Duel can begin). From here on out is the main act. Declan explains that when "D/D Night HowlNighthowl" is successfully Summoned, he can [[Special Summon]] a Level 4 or lower "D/D" monster from his [[Graveyard]], but its ATK and DEF becomes 0. He chooses to revive "D/D Lilith", and the plant-like Fiend emerges from a Graveyard portal in front of Yuya, causing Yuya and "Whip Snake" to leap for a pole in terror, and Declan [[Synchro Material Monster|tunes]] both the Level 3 "Night HowlNighthowl" and the Level 4 "Lilith". Each monster grabs a trapeze, and they swing back and forth towards each other, releasing their grip when they get close enough to begin the Summon. Declan chants "Howls that tear through the night, with swiftness of a gales give birth to a new king! [[Synchro Summon]]! Be born! [[Level 7 Monster Cards|Level 7]]! [[D/D/D Gust King Alexander (anime)|D/D/D Gust King Alexander]]!" Yuya observes the 2500 ATK [[Synchro Monster]], and the group of onlookers gasp in shock, as Gong realizes that Declan wasn't just a Fusion user.  [[File:ARC-V012Genghis activates its effect.png|thumb|right|250px|With the Summon of "[[D/D/D Gust King Alexander (anime)|D/D/D Gust King Alexander]]", "Flame King Genghis" activates its [[effect]].]]But it's not over yet - Declan activates the effect of "Genghis", which activates when another "D/D/D" monster is Special Summoned, allowing him to Special Summon a "D/D" monster from his Graveyard. The flames of "Genghis" become purple, and is it raises its sword. as Declan revives "Lilith" once again, and additionally . Additionally he activates the effect of "Alexander", which activates when a "D/D" monster is Special Summoned, allowing him to Special Summon a "D/D" monster from his Graveyard. The aura of "Alexander" and the winds around it intensify, and Yuya looks on in shock as Declan revives "D/D Cerberus" this time.  [[File:ARC-V012DeclanOverlays.png|thumb|left|250px|Declan [[Xyz Material|overlays]] his [[Monster Card|monsters]].]]Then Declan [[Xyz Material|overlay]]s the Level 4 "Cerberus" and "Lilith", and they become energy swirls and enter the [[Overlay Network]], causing water to erupt from the Network. "In order to subjugate all that resides within this world, descend now onto the peak of the world!" ("I promise you've never seen a warrior king as magnificent or commanding as this one" in the dub) Declan chants as his monster is slowly revealed, green eyes glowing. Zuzu is [[Yu-Gi-Oh! ARC-V - Episode 007|particularly shocked]]. "Isn, recognizing the Summoning (Zuzu't this?" she askss reaction is cut from the dub). Declan chants "[[Xyz Summon]]! Be born! [[Rank 4 Monster Cards|Rank 4]]! [[D/D/D Wave King Caesar (anime)|Wave King Caesar]]!" Declan finishes. "Caesar" appears, standing with 2400 ATK. "Even [[Xyz Monster]]s," Sora gasps("He can Summon Xyz Monsters, too?" in the dub). "W-What a guy," ("This is rolling Gong's mind" in the dub) Gong admits. The LID students seem shocked that Declan can freely manipulate the Summoning methods that they all specialize in, Henrietta chuckles, and Skip muses that this is Declan Akaba. Declan explains that the title "D/D/D" stands for "Different Dimension Demon," and he tells Yuya to prepare to taste the power of kings who subjugate alternate planes(in the dub, Declan warns Yuya that he has not begun to unleash his most powerful monsters; the worst is yet to come; it seems terrifying, since the reality is far worse). Yuya, with "Whip Snake" wrapped around his wrist, looks at the three powerful monsters, staring and stares Declan down.

[[File:Yuya VS Declan.png|thumb|left|200px|[[Declan Akaba|Declan]] vs. [[Yuya Sakaki|Yuya]]]]At the start of the [[Duel]], the [[Field Spell Card]] "[[Athletic Acrobatic Circus]]" is [[activate]]d, as per the rules of an [[Action Duel]]. It will allow the players to use [[Action Card]]s, but they may only have one in their [[hand]] at a time.

[[Declan Akaba|Declan]] activates the [[Continuous Spell Card]] "[[Dark Contract with the Gate (anime)|Dark Contract with the Gate]]". During Declan's [[Standby Phase]], he will take 1000 [[effect damage|damage]]. Once ; also, once per [[turn]], he can [[add a card|add]] 1 a [[Level4 Monster Cards|Level 4]] 4 or lower "[[D/D]]" [[Monster Card|monster]] from his [[Main Deck|Deck]] to his hand. He does this nowDeclan activates the effect of "Dark Contract with the Gate", adding "[[D/D Cerberus (anime)|D/D Cerberus]]"from his Deck to his hand. He then Declan activates another "Dark Contract with the Gate"and activates its effect, this time adding "[[D/D Lilith (anime)|D/D Lilith]]" from his Deck to his hand. He Declan activates the Continuous Spell Card "[[Dark Contract with the Swamp King (anime)|Dark Contract with the Swamp King]]". During his Standby Phase, he will take 1000 damage. Once , also, once per turn, he can [[Fusion Summon]] a [[Fiend]]-[[Type]] [[Fusion Monster]] using monsters in from his hand and on his or [[field]] as the [[Fusion Material Monster]]s. He does this nowDeclan activates the effect of "Dark Contract with the Swamp King", fusing "Cerberus" with and "Lilith" in his hand (2 "D/D" monsters) to Fusion Summon {{Monster"[[D/D/D Flame King Genghis (anime)|D/D/D Flame King Genghis}} ]]" in [[Attack Position]](2000/1500). Declan [[Set]]s 2 two cards.

[[Yuya Sakaki|Yuya]] [[Normal Summon]]s {{Monster"[[Performapal Whip Snake (anime)|Performapal Whip Snake}}]]" (1700/900). Yuya activates the [[effect]] of "Whip Snake", targeting a [[face-up]] monster his opponent controls and switching the [[ATK]] and [[DEF]] of a [[face-up]] monster his opponent controls that target until the [[End Phase]] . He targets "Genghis" ("Genghis": 2000 → 1500/1500 → 2000). "Whip Snake" [[attack]]s "Genghis", but Declan activates his [[face-down]] Set [[Continuous Trap Card]] "[[Dark Contract with the Witch (anime)|Dark Contract with the Witch]]". During his Standby Phase, he will take 1000 damage, but the ATK of all Fiend-Type monsters he [[control]]s will be increased by 1000 during his opponent's turn ("Genghis": 1500 → 2500/2000). Yuya finds and activates the [[Action Card]] "[[High Dive]]", increasing the ATK of targeting a monster on the field and increasing its ATK by 1000 until the end of the turn . He targets "Whip Snake" ("Whip Snake": 1700 → 2700/900). Declan finds an Action Card. He then As a "[[Dark Contract]]" card was activated this turn, Declan activates his face-down Set [[Trap Card]] "[[Contract Laundering (anime)|Contract Laundering]]", [[negate|negating]] the effects of all "[[Dark Contract]]" cards in his [[Spell & Trap Card Zone]] during the turn a "Dark Contract" card was activated ("Genghis": 2500 → 1500/2000). Declan then activates the Action Card "[[Evasion]]", negating the attack. Yuya Sets a [[Spell Card]]. During the [[End Phase]], the effects of "Whip Snake" and "High Dive" expire ("Genghis": 1500 → 2000/2000 → 1500, "Whip Snake": 2700 → 1700/900). The and the other effect of "Contract Laundering" activates, destroying all "Dark Contract" cards in Declan's Spell & Trap Card Zone , and letting him if it does, he [[draw a card|drawdraws a card]] a card for each . "Dark Contract with the Witch", "Dark Contract with the Swamp King" and both copies of "Dark Contract with the Gate" are destroyed, meaning so Declan draws fourcards.

Declan draws {{Monster"[[D/D Nighthowl (anime)|D/D Night Howl|pre=and subsequently Nighthowl]]". Declan Normal Summons it}}the [[Tuner monster]] "D/D Nighthowl" (300/600). As it "Nighthowl" was Normal Summoned, Declan activates its effect activates, letting him [[Special Summon]] ing a "D/D" monster from his [[Graveyard]], but its ATK and DEF will be reduced to become 0, also he will take 1000 damage if it is destroyed. He Special Summons {{Monster|"D/D Lilith " (anime)|Lilith|atk=100 → 0|def=/2100 → 0}}) in Attack Position. Declan [[Synchro Material Monster|tunes]] the Level 3 [[Tuner monster]] "Night HowlNighthowl" with the Level 4 "Lilith" to [[Synchro Summon]] {{the [[Level 7 MonsterCards|Level 7]] "[[D/D/D Gust King Alexander (anime)|D/D/D Gust King Alexander}} ]]" (2500/2000) in Attack Position. As a another "[[D/D/D]]" monster was Special Summoned, Declan activates the effect of "Genghis", letting him Special Summon Summoning a "D/D" monster from his Graveyard. He Special Summons {{Monster|"D/D Lilith|Lilith}}" in Attack Position. As a another "D/D" monster was Special Summoned, Declan activates the effect of "Alexander", letting him Special Summon Summoning a "D/D" monster from his Graveyard. He Special Summons {{Monster|"D/D Cerberus|Cerberus}}" (1800/600) in Attack Position. Declan [[Xyz Material|overlay]]s his two the Level 4 monsters Fiend "Lilith" and "Cerberus" to [[Xyz Summon]] {{the [[Rank 4 MonsterCards|Rank 4]] "[[D/D/D Wave King Caesar}} (anime)|D/D/D Wave King Caesar]]" (2400/1200) in Attack Position.

* ''[[D/D Night Howl Nighthowl (anime)|D/D Night HowlNighthowl]]''

* ''[[Athletic Circus|Acrobatic Circus]]''

* ''[[Athletic Acrobatic Circus]]''

| {{flag|France}} French || Duel au Sommet|-| German || Seltsame Dimensionen (1)|-| Italian || La battaglia sotto il tendone|-| Korean || DDD, 이차원의 왕|-| Thai || ดีดีดี ราชาต่างมิติ|} ==Cast== {| class="wikitable"|-! Japanese character name! Japanese voice actor! English character name! English voice actor|-| [[Yuya Sakaki]]| [[Kensho Ono]]| Yuya Sakaki| [[Michael Liscio Jr.]]|-| [[Sora Perse|Sora Shiun'in]]| [[Mie Sonozaki]]| [[Sora Perse]]| [[Eileen Stevens]]|-| [[Zuzu Boyle|Yuzu Hiragi]]| [[Yuna Inamura]]| [[Zuzu Boyle]]| Emily Jenness|-| [[Henrietta Akaba|Himika Akaba]]| [[Kikuko Fujimoto]]| [[Henrietta Akaba]]| [[Lianne Marrie Dobbs]]|-| [[Ally|Ayu Ayukawa]]| [[Satomi Akesaka]]| [[Ally]]| [[Alyson Leigh Rosenfeld]]|-| [[Tate|Tatsuya Yamashiro]]| [[Nanami Shinde]]| [[Tate]]| |-| [[Frederick|Futoshi Harada]]| [[Kyouko Chikiri]]| [[Frederick]]| |-| [[Declan Akaba|Reiji Akaba]]| [[Yoshimasa Hosoya]]| [[Declan Akaba]]| [[Billy Bob Thompson]]|-| [[Julia Krystal|Masumi Kotsu]]| [[Arisa Kiyoto]]| [[Julia Krystal]]| [[Kate Bristol]]|-| [[Dipper O'rion|Hokuto Shijima]]| [[Natsuki Hanae]]| [[Dipper O'rion]]| [[Daniel J. Edwards]]

| {{flag[[Kit Blade|Germany}} German Yaiba Todo]]|[[Kengo Takanashi]]| [[Kit Blade]]| Seltsame Dimensionen (1)

| {{flag[[Skip Boyle|Italy}} Italian Shuzo Hiragi]]|[[Mitsutaka Itakura]]| La battaglia sotto il tendone[[Skip Boyle]]| [[Billy Bob Thompson]]

| {{flag[[Gong Strong|South Korea}} Korean Noburo Gongenzaka]]|[[Yohei Obayashi]]| DDD, 이차원의 왕[[Gong Strong]]| [[Billy Bob Thompson]]