Changes

| english = Blue's Back

| english air date = October 27, 2018

'''"Blue's Back"''', known as "'''Flawless AI Duelist'''" in the Japanese version, is the seventeenth episode of the ''[[Yu-Gi-Oh! VRAINS]]'' anime. It first aired in Japan on September 6, 2017. It , became available with official subtitles via Crunchyroll on the same day, and aired in Canada on October 27, 2018.

{{Episode summary|[[Aoi Skye Zaizen|Blue Angel]] rushes to [[Yusaku Fujiki|Playmaker]], who is having troubles against the AI programs. Thanks to her, Playmaker is able to get out of a pinch and reach the inner depths of the mother computer. However, when Playmaker reaches the data bank, a certain [[Akira Zaizen|character]] stands in his way...}}

== Featured Duels ==

=== Playmaker vs. Prototype AiGreen-A ==={{Duelprev|Featured Duel: Playmaker vs. Prototype AiGreen-A}}

[[Playmaker activates ]] [[activate]]s the [[effect ]] of "[[Dual Assembwurm (anime)|Dual Assembwurm]]" in his [[Graveyard|GY]], [[banish]]ing two other [[Cyberse ]] monsters from his GY to [[Special Summon ]] it with , but its ATK becomes halved. He banishes "[[Linkslayer Dotscaper (anime)|LinkslayerDotscaper]]" and "[[Dotscaper Linkslayer (anime)|DotscaperLinkslayer]]" in his GY to [[, and Special Summon]] Summons "Dual Assembwurm" (2800 → 1400/1000) in [[Attack Position]]. As "Dotscaper" was banished, Playmaker activates its effect, Special Summoning it in [[Defense Position]] (0/2100). Playmaker activates the effect of [[Equip Spell]] "[[Cynet Defrag]]" in his GY, paying [[pay]]ing half his [[LP]] to Special Summon activate it from the GY (Playmaker: 4000 → 2000 LP), [[target]]ing a [[Level ]] 4 or lower Cyberse monster in his GY and Special Summoning it in [[Defense Position and ]], then [[equip]] ping "Cynet Defrag" to that monster (Playmaker: 4000 → 2000 LP)it. He targets, Special Summons the Level 4 , and equips "Cynet Defrag" to "[[Flick Clown (anime)|Flick Clown]]" (1000/1400). As Playmaker has no cards in his [[hand]], he activates the effect of "Flick Clown", paying 1000 LP to [[draw a card ]] (Playmaker: 2000 → 1000 LP).

At this point, Playmaker enters the [[Data Storm]]. As his Playmaker's LP is 1000 or lowerless, Playmaker he activates his [[Skill ]] "Storm Access", to randomly access accessing a card within Cyberse [[Link Monster]] at random from a nearby Data Stormand adding it to his [[Extra Deck]]. Playmaker He obtains "[[Vector Square Archfiend (anime)|Vector Square Scare Archfiend]]" and adds it to his [[Extra Deck]].

Playmaker uses [[Link Material|sets]] "Dual AssembwurmDotscaper", "DotscaperDual Assembwurm", and "Flick Clown" in the [[Link Arrow]]s to [[Link Summon]] "[[Vector Square Scare Archfiend(anime)|Vector Scare Archfiend]]" (2400/↙↑→) to the [[Extra Monster Zone]]. Playmaker [[Normal Summons Summon]]s "[[Cyberse Wizard (anime)|Cyberse Wizard]]" (1800/800) to the zone the bottom-left Link Arrow of . "Vector Square ArchfiendCyberse Wizard" [[points toattack]]. "Cyberse Wizard" attacks s and destroys "[[Tentacluster Drillwormdestroy]]s ". Drillworm", then "Vector Square Scare Archfiend" attacks and destroys "[[Tentacluster Nautilus]]" (AiGreen-A: 3500 → 1100 LP). As "Vector Square Scare Archfiend" destroyed a Green-A's monster by [[battle]], Playmaker activates its effect, [[Tribute|Tributing ]] a monster to Special Summon the destroyed monster to an opponentGreen-A's [[zone it ]] "Vector Scare Archfiend" [[points to and letting ]], then "Vector Square Scare Archfiend" can attack again in a row, on that monster again. He Tributes "Cyberse Wizard" to , then Special Summon Summons "Nautilus" to the zone the top-center Link Arrow of "Vector Square Scare Archfiend" points to. "Vector Square Scare Archfiend" attacks and destroys "Nautilus" (AiGreen-A: 1100 → 0 LP).

=== Blue Angel vs. Prototype AiRed-B ===

[[Blue Angel activates ]] [[activate]]s the [[Field Spell Card|Field Spell Card]] "[[Trickstar Light Stage (anime)|Trickstar Light Stage]]". As it was activated, Blue Angel adds [[Add a card|adding]] a "[[Trickstar]]" [[monster ]] from her [[Main Deck|Deck ]] to her [[hand]]. She adds "[[Trickstar Lilybell (anime)|Trickstar Lilybell]]". As "Lilybell" was added to her Blue Angel's hand except by [[Draw a method other than card|drawing]] it, Blue Angel she activates its [[effect]], [[Special Summoning Summon]]ing it (800/2000). Blue Angel [[Normal Summons Summon]]s "[[Trickstar Candina (anime)|Trickstar Candina]]" (1800/400). As it "Candina" was Normal Summoned, Blue Angel activates the its effect of "Candina", adding a "Trickstar" card from her deck Deck to her hand. She adds "[[Trickstar Vision]]". Blue Angel uses [[Link Material|sets]] "CandinaLilybell" and "LilybellCandina" to Link Summon in the [[Link Arrow]]s to [[Link Summon]] "[[Trickstar Holly Angel (anime)|Trickstar Holly Angel]]" (2000/↙↘) to the Extra the [[Extra Monster Zone]]. Blue Angel activates the [[Spell Card ]] "[[Trickstar Vision]]", Special Summoning a "Trickstar" monster from her hand with , but its effects negated and [[ATK ]] becomes halved, also it has its effects [[negate]]d, then letting both players draw each player draws a card. Blue Angel She Special Summons "[[Trickstar Narkissus (anime)|Trickstar Narkissus]]" (1000 → 500/1800), draws, then subsequently Sets her drawn both players draw a card. Blue Angel [[Set]]s a card. Blue Angel activates the effect of "[[Trickstar Lycoris (anime)|Trickstar Lycoris]]" in her hand, Special Summoning [[reveal]]ing it, then returning [[target]]ing a different "Trickstar" monster she controls to her Special Summon it, then [[return]] that monster to the hand. Blue Angel returns She targets "Narkissus" to her hand and , Special Summons "Lycoris" (1600/1200) to the [[zone ]] the bottom-left Link Arrow of "Holly Angel" [[points to]], and returns "Narkissus" to her hand. As Each time a "Trickstar" monster was is Normal or Special Summoned to a zone "Holly Angel" points to, its effect inflicts 200 [[effect Effect damage|damage]] to Ai[[Prototype Red-B|Red-B ]] (AiRed-B: 4000 → 3800 [[LP]]). As Each time a "Trickstar" monster inflicted Blue Angel controls inflicts [[Battle damage|battle]] or effect damage to AiRed-B, the effect of "Light Stage" inflicts 200 more damage to him (AiRed-B: 3800 → 3600 LP). As AiRed-B took effect damage, Blue Angel activates the effect of "Narkissus" in her hand, Special Summoning it (1000/1800). She Special Summons it in [[Defense Position]].

'''<u>Turn 2: AiRed-B</u>'''<br />As Red-B draws. Each time a card was is added to AiRed-B's hand, the effect of "Lycoris" inflicts 200 damage to him for each card added, with "Light Stage" inflicting 200 more (AiRed-B: 3600 → 3400 → 3200 LP). As AiRed-B took damage from the effect of by a "Trickstar" monster's effect, the effect of "Holly Angel" activates, increasing its ATK equal to the damage taken he took, until the End Phase end of this [[turn]] ("Holly Angel": 2000 → 2200 ATK). AiRed-B activates the [[Continuous Spell Card]] "[[Abyss Invitation]]". AiRed-B activates the effect of B activates the effect of "[[Tentacluster Darkwhip]]" in its hand, [[pay]]ing 500 LP to Special Summon it (100/500) in its hand, paying 500 LP to Special Summon it (AiRed-B: 3200 → 2700 LP). As Each time Red-B activates a monster effect in Ai-B's his hand activated its effector [[GY]], the effect of "Narkissus" inflicts 200 damage to him immediately after the effect resolves it [[resolve]]s (AiRed-B: 2700 → 2500 → 2300 LP). As a player took 500 or less effect damageby the effect of another card, the effect of "Abyss Invitation" activates, inflicting 200 damage to Blue Angel (Blue Angel: 4000 → 3800 → 3600 LP). The effect of As Red-B took damage by a "Light StageTrickstar" inflicts damage (Ai-B: 2500 → 2300 LP)monster's effect, followed by the effect of "Holly Angel" activates, increasing its ATK equal to the damage he took, until the end of this turn ("Holly Angel": 2200 → 2400 ATK), then the effect of "Abyss Invitation" (Blue Angel: 3800 → 3600 LP). AiRed-B activates the Spell Card "[[Machine Duplication (later anime)|Machine Duplication]]", Special Summoning two copies of a Machine monster targeting a [[Machine]] monster he controls with 500 or less ATK he controls and Special Summoning up to two monsters from its Deckhis Deck with the same name as that [[face-up]] monster. It He targets "Darkwhip" and Special Summons two more copies of "Darkwhip" (100/500 each). Red-B sets three copies of "Darkwhip" in the Link Arrows to Link Summon "[[Tentacluster Nautilus]]" (0/↙↓↘) to the Extra Monster Zone. As "Nautilus" was Link Summoned, Red-B activates its effect, Special Summoning a "[[Tentacluster]]" monster from his hand to his zone "Nautilus" points to. He Special Summons "[[Tentacluster Blastsucker]]" (400/400) to a zone "Nautilus" points to. Red-B Normal Summons "Blastsucker" (400/400) to a zone "Nautilus" points to. Red-B activates the effect of "Nautilus", targeting all monsters it points to and destroying them. He targets two copies of "Blastsucker". As a Link Monster's effect is activated that targets the two copies of "Blastsucker" on the field, Red-B activates their effects, destroying them, then inflicting 400 damage to Blue Angel (Blue Angel: 3600 → 3200 → 2800 LP). As a player took 500 or less effect damage by the effect of another card, the effect of "Abyss Invitation" activates, inflicting 200 damage to Blue Angel (Blue Angel: 2800 → 2600 → 2400 LP).

AiRed-B uses activates the three copies effect of "DarkwhipBlastsucker" to Link Summon "[[Tentacluster Nautilus]]" (0/↙↓↘) to the Extra Monster Zone. As "Nautilus" was Link Summoned, Ai-B activates its effectin his GY, Special Summoning a "[[Tentacluster]]" monster from its hand to a zone it points to. It Special Summons "[[Tentacluster Blastsuckerbanish]]" (400/400) to the zone the bottom-center Link Arrow of "Nautilus" points to. Ai-B Normal Summons a second copy of "Blastsucker" to the zone the bottom-left Link Arrow of "Nautilus" points to. Ai-B activates the effect of "Nautilus", targeting and destroying all monsters it points to. As a Link Monster's effect that targets it on the field is activated, Ai-B activates the effect of "Blastsucker", destroying ing it to inflict 400 damage to Blue Angel (Blue Angel: 3600 2400 → 3200 2000 LP). The effect of "Abyss Invitation" then activates (Blue Angel, Red-B: 3200 2300 → 3000 2100 → 1900 LP). Ai-B activates As a player took 500 or less effect damage by the effect of the other "Blastsucker"another card, with the effect of "Abyss Invitation" following after (Blue Angel: 3000 → 2600 → 2400 LP). Ai-B activates the effect of the first "Blastsucker" in its GY, banishing it to inflict 400 inflicting 200 damage to Blue Angel (Blue Angel: 2400 → 2000 LP), followed by the effect of "Abyss Invitation" (Blue Angel: 2000 → 1800 → 1600 → 1400 LP). As Red-B took damage by a "Trickstar" monster in Ai-B's GY activated its effect, the effect of "NarkissusHolly Angel" inflicts 200 activates, increasing its ATK equal to the damage to Ai-B (Ai-B: 2300 → 2100 LP)he took, followed by until the effect end of "Abyss Invitation" (Blue Angel: 1800 → 1600 LP), then "Light Stage" (Ai-B: 2100 → 1900 LP), then "Abyss Invitation" again (Blue Angel: 1600 → 1400 LP), then "Holly Angel" this turn ("Holly Angel": 2400 → 2600 ATK). AiRed-B activates the effect of the second "Blastsucker" in his GY , banishing it to inflict 400 damage to Blue Angel (Blue Angel: 1400 → 1000 LP, Red-B: 1900 → 1700 → 1500 LP). As a player took 500 or less effect damage by the effect of another card, then the effects effect of "Abyss Invitation"activates, "Narkissus", and "Abyss Invitation" activate/apply once again in successive order, followed by "Light Stage" and "Abyss Invitation" once again, and then "Holly inflicting 200 damage to Blue Angel" following after (Blue Angel: 1400 → 1000 → 800 → 600 → 400 LP; Ai). As Red-B: 1900 → 1700 → 1500 LP; took damage by a "Trickstar" monster's effect, the effect of "Holly Angel" activates, increasing its ATK equal to the damage he took, until the end of this turn ("Holly Angel": 2600 → 2800 ATK). AiRed-B activates the Continuous Spell Card "[[Flexible Tentacluster]]". While active, Ai-B will not take the first instance of battle damage it would take per turn. It also allows Ai-B to Special Summon and activates its effect, targeting one of its his banished "Tentacluster" monstersand Special Summoning it in [[Attack Position]]. It activates the latter effect, He targets and Special Summoning Summons "Blastsucker" (400/400). "Blastsucker" attacks [[attack]]s "Lycoris". As AiRed-B's monster is attackingdeclared an attack, Blue Angel activates her [[face-down ]] [[Trap]] "[[Trickstar Cascade]]", returning a "Trickstar" card she controls to her the hand to [[negate]] the attack. She returns "Light Stage" to her handand negates the attack of "Blastsucker".

Blue Angel Normal Summons "Candina" (1800/400). As it "Candina" was Normal Summoned, she Blue Angel activates the its effect of "Candina", adding a "Trickstar" card from her Deck to her hand. She adds "[[Trickstar Temptation]]". Blue Angel uses sets "Narkissus" and "Lycoris" in the Link Arrows to Link Summon "[[Trickstar Black Catbat (anime)|Trickstar Black Catbat]]" (2000/←→) to the zone the bottom-left Link Arrow of "Holly Angel" points to. The first effect of "Holly Angel" applies (AiRed-B: 1500 → 1300 LP). As a player took 500 or less effect damage by the effect of another card, followed by the effect of "Abyss Invitation" activates, inflicting 200 damage to Blue Angel (Blue Angel: 400 → 200 LP). As Red-B took damage by a "Trickstar" monster's effect, then the third effect of "Holly Angel" activates, increasing its ATK equal to the damage he took, until the end of this turn ("Holly Angel": 2000 → 2200 ATK). As AiRed-B took damage from the effect of by a "Trickstar" monster's effect, the effect of "Black Catbat" activates, decreasing reducing the ATK of each of Aiall face-B's up monsters he controls by 200 for each monster "Black Catbat" points to , until the end of this turn. "Black Catbat" points to "Candina" ("Blastsucker": 400 → 200 ATK). As Blue Angel controls a "Trickstar" monster, she activates the [[Quick-Play Spell Card]] "[[Trickstar Temptation]]", returning targeting a monster with on the field whose current ATK is different from its [[original ATK ]] and returning it to the hand. Blue Angel He targets and returns "Blastsucker". "Holly Angel" attacks and destroys "Nautilus". Each turn, the first time Red-B would take battle damage from an attack involving his "Tentacluster" monster, with the effect of "Flexible Tentacluster" causing Ai-B to take no battle damage prevents him from that taking it. The attackcontinues and "Nautilus" is destroyed. "Black Catbat" attacks Red-B [[Direct attack|directly ]] (AiRed-B: 1300 → 0 LP).

* ''[[Vector Square Scare Archfiend (anime)|Vector Square Scare Archfiend]]''

{{Decklist|Blue Angel (Aoi Skye Zaizen)

{{Decklist|Prototype AiGreen-A

{{Decklist|Prototype AiRed-B