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]] "[[Trickstar Light Stage (anime)|Trickstar Light Stage]]". As it was activated, Blue Angel activates its effect to add [[Add a card|adding]] a "[[Trickstar]]" [[monster ]] from her deck [[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 to ]], [[Special 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", to add adding a "Trickstar" card from her deck Deck to her hand. She adds "Trickstar Vision". Blue Angel [[Link Material|sets]] "Lilybell" and "Candina" in the [[Link Arrow]]s to [[Link Summon]] "[[Trickstar Holly Angel (anime)|Trickstar Holly Angel]]" (2000/↙↘) to the [[Extra Monster Zone]]. Blue Angel activates the [[Spell]] "[[Trickstar Vision]]", Special Summoning a "Trickstar" monster from her hand, but its [[ATK]] becomes halved, also it has its effects [[negate]]d, then each player draws a card. She Special Summons "[[Trickstar Narkissus (anime)|Trickstar Narkissus]]" (1000 → 500/1800), then 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, [[reveal]]ing it, then [[target]]ing a different "Trickstar" monster she controls to Special Summon it, then [[return]] that monster to the hand. She targets "Narkissus", Special Summons "Lycoris" (1600/1200) to the [[zone]] the bottom-left Link Arrow of "Holly Angel" [[points to]], and returns "Narkissus" to her hand. Each time a "Trickstar" monster is Normal or Special Summoned to a zone "Holly Angel" points to, its effect inflicts 200 [[Effect damage|damage]] to [[Prototype Red-B|Red-B]] (Red-B: 4000 → 3800 [[LP]]). Each time a "Trickstar" monster Blue Angel controls inflicts [[Battle damage|battle]] or effect damage to Red-B, the effect of "Light Stage" inflicts 200 damage to him (Red-B: 3800 → 3600 LP). As Red-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]].

Blue Angel uses '''<u>Turn 2: Red-B</u>'''<br />Red-B draws. Each time a card is added to Red-B's hand, the effect of "CandinaLycoris" and inflicts 200 damage to him for each (Red-B: 3600 → 3400 → 3200 LP). As Red-B took damage by a "LilybellTrickstar" to Link Summon monster's effect, the effect of "Holly Angel"activates, increasing its ATK equal to the damage he took, until the end of this [[Trickstar Holly Angel turn]] (anime)|Trickstar "Holly Angel]]" (: 2000/↙↘→ 2200 ATK) to the Extra Monster Zone. Blue Angel Red-B activates the [[Continuous Spell Card ]] "[[Abyss Invitation]]". Red-B activates the effect of "Trickstar Vision[[Tentacluster Darkwhip]]" in its hand, [[pay]]ing 500 LP to Special Summon it (100/500) (Red-B: 3200 → 2700 LP). Each time Red-B activates a "Trickstar" monster from her effect in his hand with its effects negated and ATK halvedor [[GY]], then letting both players draw a card. Blue Angel Special Summons the effect of "Narkissus"inflicts 200 damage to him immediately after it [[Trickstar Narkissus (anime)|Trickstar Narkissusresolve]]" s (1000 Red-B: 2700 → 2500 → 2300 LP). As a player took 500/1800)or less effect damage by the effect of another card, drawsthe effect of "Abyss Invitation" activates, then subsequently Sets her drawn cardinflicting 200 damage to Blue Angel (Blue Angel: 4000 → 3800 → 3600 LP). Blue As Red-B took damage by a "Trickstar" monster's effect, the effect of "Holly Angel " activates , increasing its ATK equal to the effect damage he took, until the end of this turn ("Holly Angel": 2200 → 2400 ATK). Red-B activates the Spell "[[Trickstar Lycoris Machine Duplication (later anime)|Trickstar LycorisMachine Duplication]]" in her hand, revealing it to return targeting a "Trickstar" [[Machine]] monster she he controls to her hand with 500 or less ATK and Special Summon "Lycoris"Summoning up to two monsters from his Deck with the same name as that [[face-up]] monster. Blue Angel returns He targets "NarkissusDarkwhip" to her hand and Special Summons two copies of "LycorisDarkwhip" (1600100/1200500) to the zone the bottom. Red-left Link Arrow B sets three copies of "Holly AngelDarkwhip" in the Link Arrows to Link Summon " [[points toTentacluster Nautilus]]" (0/↙↓↘) to the Extra Monster Zone. As a "TrickstarNautilus" monster was Special Link Summoned to a zone "Holly Angel" points to, Red-B activates its effect activates, inflicting 200 damage to Ai-B. As Special Summoning a "Trickstar[[Tentacluster]]" monster was Special Summoned from his hand to a his zone "Holly AngelNautilus" points to, its effect inflicts 200 . He Special Summons "[[effect damage|damageTentacluster Blastsucker]] " (400/400) to a zone "Nautilus" points to Ai. Red-B Normal Summons "Blastsucker" (Ai-B: 4000 → 3800 [[LP]]400/400). As to a zone "TrickstarNautilus" monster inflicted effect damage points to Ai. Red-Bactivates 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 effect two copies of "Light StageBlastsucker" inflicts 200 more on the field, Red-B activates their effects, destroying them, then inflicting 400 damage to Blue Angel (Ai-BBlue Angel: 3800 3600 → 3200 → 3600 2800 LP). As Ai-B a player took 500 or less effect damageby the effect of another card, Blue Angel activates the effect of "NarkissusAbyss Invitation" in her hand activates, inflicting 200 damage to Special Summon it Blue Angel (1000/1800Blue Angel: 2800 → 2600 → 2400 LP).

'''<u>Turn 2: AiRed-B</u>'''<br />As a card was added to Ai-B's hand, activates the effect of "LycorisBlastsucker" inflicts 200 damage for each card addedin his GY, with "Light Stage" inflicting 200 more (Ai-B: 3600 → 3400 → 3200 LP). As Ai-B took damage from the effect of a "Trickstar" monster, the effect of "Holly Angel" activates, increasing its ATK equal to the damage taken until the End Phase ("Holly Angel": 2000 → 2200 ATK). Ai-B activates the [[Continuous Spell Cardbanish]] "[[Abyss Invitation]]". Ai-B activates the effect of "[[Tentacluster Darkwhip]]" ing it to inflict 400 damage to Blue Angel (100/500) in its hand, paying 500 LP to Special Summon it (Ai-BBlue Angel: 3200 2400 → 2700 2000 LP). As a monster in Ai-B's hand activated its effect, the effect of "Narkissus" inflicts 200 damage after the effect resolves (AiRed-B: 2700 2300 → 2100 → 2500 1900 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 2000 → 3800 LP). The effect of "Light Stage" inflicts damage (Ai-B: 2500 1800 → 2300 LP), followed by the effect of "Holly Angel" ("Holly Angel": 2200 1600 → 2400 ATK), then the effect of "Abyss Invitation" (Blue Angel: 3800 → 3600 1400 LP). Ai-B then activates the Spell Card "[[Machine Duplication (later anime)|Machine Duplication]]" to Special Summon two copies of a Machine monster with 500 or less ATK on the field from its Deck. It Special Summons two more copies of "Darkwhip" (100/500 each). Ai-B uses the three copies of "Darkwhip" to Link Summon "[[Tentacluster Nautilus]]" (0/↙↓↘) to the Extra Monster Zone. As "Nautilus" was Link Summoned, AIRed-B activates its effect to Special Summon took damage by a "[[Tentacluster]]Trickstar" monster from its hand to a zone it points to. It Special Summons "[[Tentacluster Blastsucker]]" (400/400) to the zone the bottom-center Link Arrow of "Nautilus" points to. Ai-B then Normal Summons a second copy of "Blastsucker" to the zone the bottom-left Link Arrow of "Nautilus" points to. Ai-B then activates the effect of "Nautilus", letting it destroy all monsters "Nautilus" points to. As a Link Monster's effect that targets it on the field is activated, Ai-B activates the effect of "BlastsuckerHolly Angel"activates, destroying it increasing its ATK equal to inflict 400 the damage to Blue Angel (Blue Angel: 3600 → 3200 LP). The effect of "Abyss Invitation" then activates (Blue Angel: 3200 → 3000 LP). The effect of the other "Blastsucker" activateshe took, followed by until the effect end of this turn ("Abyss InvitationHolly Angel" (Blue Angel: 3000 2400 → 2600 → 2400 LPATK). AiRed-B activates the effect of the first "Blastsucker" in its his GY, banishing it to inflict 400 damage to Blue Angel (Blue Angel: 2400 1400 → 2000 1000 LP). The effect of "Abyss Invitation" activates (Blue Angel, Red-B: 2000 1900 → 1700 → 1800 1500 LP). As a monster in Ai-B's GY activated its player took 500 or less effect, damage by the effect of "Narkissus" inflicts 200 damage to Ai-B (Ai-B: 2300 → 2100 LP)another card, followed by the effect of "Abyss Invitation" activates, inflicting 200 damage to Blue Angel (Blue Angel: 1800 1000 → 800 → 600 → 1600 400 LP), then "Light Stage" (Ai. As Red-B: 2100 → 1900 LP), then took damage by a "Abyss InvitationTrickstar" again (Blue Angel: 1600 → 1400 LP)monster's effect, then the effect of "Holly Angel" ("Holly Angel": 2400 → 2600 activates, increasing its ATK). Ai-B activates equal to the effect of the second "Blastsucker" in his GY (Blue Angel: 1400 → 1000 LP)damage he took, then until the effects end of "Abyss Invitation", "Narkissus", and "Abyss Invitation" activate/apply once again in successive order, followed by "Light Stage" and "Abyss Invitation" once again, and then "Holly Angel" following after this turn (Blue Angel: 1400 → 1000 → 800 → 600 → 400 LP; Ai-B: 1900 → 1700 → 1500 LP; "Holly Angel": 2600 → 2800 ATK). AiRed-B activates the Continuous Spell Card "[[Flexible Tentacluster]]". While active, Ai-B does 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 to He targets and Special Summon 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" to add , adding a "Trickstar" card from her Deck to her hand, adding . 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" activates (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