Characters / High School D×D: Issei Peerage

All spoilers regarding the first four story arcs (volumes 1-20) are unmarked. Examples pertaining to the fifth story arc and Shin High School D×D can be spoiler tagged if necessary.

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Main Index | Occult Research Club | Issei Hyōdō | Issei's Peerage | The Student Council | Devils | Angels and Fallen Angels | Vali Team | The Khaos Brigade | Mythologies | Dragons | SLASHDØG | Other Characters

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Issei's Peerage

After Issei's promotion to High-Class Devil, he is given a set of Evil Pieces allowing him to form his own peerage with himself as King. He trades several of his pieces with Rias in exchange for Asia, Xenovia, and Rossweisse, and one with Lady Phenex in exchange for Ravel, giving him two Bishops, a Knight, and a Rook. Issei recruits the descendant of the original Leviathan, Ingvild, as his Queen. With Sona becoming the new head of the Sitri family and thus unable to battle on the front lines, Bennia is traded into his peerage, becoming his second Knight.

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Members

Issei Hyōdō

See his separate page.

Asia Argento

Asia Argento

Role: Bishop
Species: Human / Reincarnated Devil
Voiced by: Azumi Asakura (Japanese), Chloe Daniels (English, 2013-2015), Leah Clark (English, 2018-present)^{Foreign VAs}Heide Ihlenfeld (German)

Lord. Can you please listen to my wish? Please protect Ise-san forever. Also... Please allow me to continue living with Ise-san...

As a young infant, Asia Argento is discovered by the Roman Catholic Church. She becomes a nun because of her healing powers. After healing Diodora Astaroth, however, Asia is exiled as a heretic. Sometime later, she meets and befriends Issei while looking for a local church. When Asia is killed by Raynare, Rias revives her as her Bishop and Asia joins the Occult Research Club, continuing to use her healing powers in the process. She is traded to Issei upon his promotion to High-Class Devil, making her Issei's first Bishop.

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• A-Cup Angst: In the anime, when engaged in a Lover Tug of War with Rias over Issei, she admits that she might lose based on the size of her chest.
• Actual Pacifist: Asia's strength lies in healing her comrades, and she has no direct offensive abilities whatsoever. She's shown to have learned basic elemental magic by Shin Volume 2, willing to fight for her King and fiancé Issei.
• Alliterative Name: Asia Argento. Gamebreaking points for having the same initials as her Japanese voice actress.
• All-Loving Heroine: Asia loves everyone. Even when she was still a human, she didn't resent Devils and treated everyone equally, regardless of what they were. Azazel comments that this could be a potential drawback to her long-distance healing powers, as she probably wouldn't have the heart to ignore her enemies' injuries.
• All of the Other Reindeer: The Church exiled her when she was discovered to heal angels, humans and devils such as Diodora.
• The Aloner: She becomes a hermit in her backstory after being exiled from the Church, using her powers for healing others.
• Amusing Injuries: Apparently her nun training is still pretty well-ingrained. If she's relieved, she usually says something like "Thank God" followed by a whimper of pain since devils cannot pray. However, there's really no excuse for her trying to read The Bible repeatedly even though it has the same effect.
• Babies Ever After: In the future, she has a daughter with Issei, named Airi.
• Back from the Dead: She is killed during the removal of her sacred gear at the end of Volume 1, but is revived, and subsequently added to the Occult Research Club, by Rias shortly afterwards. This is common knowledge.
• Barrier Warrior: She becomes one in volume 20. When her Sacred Gear goes Balance Breaker becoming Twilight Saint Affection using Fafnir's aura, Rizevim's most powerful attacks can't get through, and he has to flee from a very, very pissed off Issei.
• Bathtub Bonding: The anime openly shows her being the first girl in Ise's harem to bathe with him, at her request no less. Issei's mom walks in on them and gets the wrong idea...
  "Honey! We're going to be seeing our grandchild soon!"
• Because You Were Nice to Me: While all of the girls in Issei's harem fall in love with him due to his kindness, Asia is the most notable because Issei was her First Friend and the person who tried to save her from Raynare, being with her as she died due to having her Sacred Gear removed by Raynare.
• Betty and Veronica: In Volume 2, Asia and Rias are presented as Issei's primary love interests because the harem is merely starting. Asia is the Betty; the cute, sweet and pure-hearted girl raised as a nun.
• Beyond the Impossible: Made pacts with Four mass-produced evil dragons, which was only supposed to be possible for Evil Gods.
• Big Good: She serves as the leader of the Occult Research Club by the end of volume 19.
• Bitch Slap: She slaps Diodora after he insults Issei within earshot of her.
• Breast Expansion: In Volume 23, Issei explicitly states that Asia's breasts have grown to Irina and Xenovia's size. Justified, since Asia is still in the later parts of a woman's growth stage (where it usually ends at the early twenties) and that she is a devil, as Ravel states her demonic energy and desires to have a big bust for Issei helps her grow. This is even carried over to the fourth anime season, Hero.
• Chainmail Bikini: Her Balance Breaker gives her golden Powered Armor from her bond with Fafnir, but it's rather revealing compared to similar Balance Breakers.
• Cleavage Window: Her Crimson Uniform she wears during the Azazel Cup contains a small one.
• Clingy Jealous Girl: It starts to show up a lot more after Rias moves in with Issei and her in his parents' house. As a result, if Asia sees Rias doing something perverted, she'll attempt to join in. For example, if she sees Rias naked in bed with Issei, she'll start stripping off her clothes as well. She's generally too mild-mannered to start any actual conflict, though.
• Club President: She replaces Rias as the club's president and resident Big Good at the end of Volume 19.
• Contrived Coincidence: Asia is lucky that Vali and his group are around at the Dimension Gap searching for Gogmagog, otherwise she would have died.
• Cute Clumsy Girl: Issei first meets her after she trips. Also shows up in her and Koneko's spinoff manga.
• Damsel in Distress:
  • Way back in Volume 1, Raynare kidnaps Asia but Issei refuses to give up hope on her. He eventually finds Asia, but tragically, she dies in his arms, having her Twilight Healing stolen by Raynare. He delivers a beat down to Raynare out of a grief-stricken rage.
  • In Volume 6, Diodora kidnaps Asia on Shalba's orders. The Occult Research Club successfully finds her in the Underworld and Issei gives a major Curb-Stomp Battle on Diodora. And when Shalba kills Diodora and sends Asia to the Dimensional Gap, Issei uses Juggernaut Drive for the first time and easily beats him to a pulp
  • In EX, Asia's future self is cursed by Loki to grow weaker every day, with the kids coming back to both stop him and find a way to rescue her.
• Dark and Troubled Past: She was abandoned by her parents when she was a baby at a church doorstep. She was raised in that church and sometime during her childhood, she gained the ability to use her Twilight Healing. She was eventually persecuted as a heretic for healing Diodora Astaroth, a devil.
• Disney Death: In Volume 6, she is sent to the dimensional gap by Shalba Beelzebub, a member of the Old Satan Faction. While this provokes Issei into giving Shalba a Curb-Stomp Battle, she is rescued by Vali, who happened upon her body while traversing the void.
• Doorstop Baby: According to her Backstory, her parents left her behind at a church doorstep.
• The Exile: Asia is exiled from the Church when she heals Diodora. Turns out that Diodora planned this from the beginning.
• Fanservice Model: As of Shin Volume 2, she's featured on a Gremory-owned show as an underwear model alongside Xenovia and Irina.
• Fanservice Pack: She becomes considerably more attractive in volume 23, where her breasts become larger and this is carried over to Hero. For the Azazel Cup she also ditches her modest green robe for a much more revealing outfit complete with lack of visible underwear.
• The Farmer and the Viper: Asia learns the hard way that being nice to Diodora, an Obviously Evil devil who has turned other Catholic nuns into heretics, isn't going to change his heart.
• First Kiss: Asia shares her first kiss with Issei.
• Friendless Background: Before meeting Issei, Asia laments that she doesn't have any friends.
• From Roommates to Romance: After Rias revives her as a devil, Asia moves into the Hyōdō residence and Issei's parents welcome her after Rias proposes to train Asia as a future wife for Issei. Asia does eventually become one of Issei's many wives.
• Good Shepherd: Raised as a nun, she is a pious cleric and does her best to help everyone she can, be it with Twilight Healing or something else. Even after being raised as a devil, she continues to pray.
• Hair of Gold, Heart of Gold: She's blonde, sweet, innocent, pure-hearted, and a faithful Catholic.
• Happily Adopted:
  • Sort of. There's no formal adoption, but everyone acts like Issei's parents are her actual parents, and Issei spends several volumes trying to force himself to think of her as his sister due to feeling incredibly guilty over not being able to save her from Raynare before ultimately giving up on it. Rias even holds the majority of the group back for "clean-up" during a battle in Volume 20 and orders Issei and Asia to go save his parents alone because the parents should be saved by their son and daughter.
  • EX reveals that later in the future, Asia would be officially adopted into the Hyōdō family, along with Ravel and Le Fey, as a way of getting around Japan's polygamy laws. This is why Airi, Robertina and Mordred are the only ones with the Hyōdō surname.
• Healing Hands: The first time she demonstrates Twilight Healing, she does in the classic sense of holding her hands over the injury she wants to heal, but she can heal allies at a long distance. If she's near an enemy, the healing aura will just dissolve. She doesn't utilize the Reverse method because it would be risky for the Twilight Healing user (that and she's surrounded by one hell of a Badass Crew anyway).
• The Heretic: She was excommunicated from the Church after Diodora tricked her into healing him.
• The Hermit: She retreated into complete isolation after being expelled from the Church, using her powers to help people.
• Hime Cut: Has this hairstyle, despite being Italian, not Japanese. It fits her gentle and humble personality.
• Idiot Hair: She has a strand sticking out of her hair, and is kind of clumsy and naive.
• I Got Bigger: She hit her growth spurt by volume 23, with her breasts becoming the size of Xenovia and Irina's.
• I Just Want to Have Friends: Asia has a Friendless Background because of her powers, and then she was exiled from the church that she was raised in thanks to Diodora's schemes. Fortunately, Issei, Rias and their friends are there for her.
• Image Song: Kagiri Naku Junsui ni Chikai Daten
• Incorruptible Pure Pureness: Extremely kind, sweet and pure-hearted. She doesn't have a mean bone in her body and loves everyone.
• Innocent Fanservice Girl: Is hovering between this when she doesn't realize there's a problem with getting naked in a particular situation and a Shameless Fanservice Girl who fully comprehends what she's doing but does it anyway to achieve her goals.
• Instant Expert: Picks up demon magic with just a few lessons from Akeno. Then again, it seems to follow a similar process to Twilight Healing, which she's been using all her life.
• Ironic Name: Possible example. Asia's RL namesake is an actress/director known for some pretty... controversial films.
• Like Brother and Sister: She's more or less regarded as Issei's adoptive sister, and Issei frequently talks himself out of intimacy with her as if they're biologically related.
• Marry Them All: She is the first of the haremettes to bring up the subject of polygamy, as Rias is moving into the Hyōdō residence (although she's talking to herself and Issei just overhears her, and, in typical Issei fashion, doesn't know why she's talking about it). He finally proposes to her toward the end of Volume 23, one volume after proposing to Rias.
• The Medic: Her role in Rias' peerage is to heal her teammates.
• Named After Somebody Famous: She's named after the famous Italian actress Asia Argento.
• Nice Girl: Asia is probably one of the nicest devils in the underworld. A special has her thinking up ways to be crueler befitting her new demonic nature, and she comes up with such supposedly unforgivable things as stealing milk from the neighbors, switching shoes in shoeboxes, and ignoring erasers that people drop. Even these are enough to bring her to tears and make her start begging God for forgiveness.
• No Social Skills: As a result of being sheltered by the Church for most of her life, she has little idea of how to socialize. For example, she doesn't know how to make orders from a fast-food chain. Though she gets better over time.
• No-Sell: Subverted. At first her Balance Breaker, Twilight Saint Affection, seems to have this power, but it is revealed that it actually heals any damage done within its field almost as instantly as it is caused.
• Number Two: She is this within the harem since Issei's affection for her is only second to Top Wife Rias. Even Akeno gives her that position; though knowing her fetish for affairs it serves her own purposes. In the EX future, Asia is even the second one to give birth to Issei's child and his first daughter.
• One Head Taller: She's smaller than Issei, who is 170 cm/5'7'', while she's only 155 cm/5'1''. Being smaller than him is part of what makes him so protective of her.
• Only the Pure of Heart: Sprite dragons only open their hearts to those who are pure of heart themselves. It is rare indeed for them to bond with devils, let alone immediately and on their own initiative, as Rassei does with Asia. Akeno and Rias theorize that being a nun played a role in it.
• Parental Substitute: Serves as a mother figure to Issei's future children, including the ones she did not give birth to herself.
• Playing Card Motifs: In the ending theme of the Season 1 anime, Asia is shown as the Joker, like Issei.
• Power at a Price: For Fafnir to follow her instructions, he just needs a treasure. Unfortunately for Asia, it's her panties.
• Prone to Tears: She's quite prone to crying, the reasons ranging from her comrades getting hurt to jealousy over other girls (particularly Rias) making advances on Issei.
• Pronouncing My Name for You: In the dub, Issei's father pronounces it the way one says it when speaking of the continent (AY-sha), while she corrects him in that it's AH-zyah.
• Protectorate: A lot of people are invested in keeping her safe. Issei becomes surprisingly gentlemanly where she is concerned and is willing to endure a lot of pain to rescue her from Raynare. Rassei decides to protect her soon after seeing her for the first time and becomes her familiar despite her being a devil (which is rare for sprite dragons). Rias is protective of all of her servants and lodges her in her own home until finding her a more permanent home.
• Rank Up: After Rias's graduation, she becomes the President of the Occult Research Club.
• Spell My Name With An S: Some scanlations often use "Aashia" and "Ashia". Some early promotional material didn't help solve this issue either until they resolved it with her current name.
• Summon Magic: This is what Azazel advises to Asia so she could catch up with the rest of the team. So he gives her Fafnir. Later, her daughter inherited the Dragon King after her mother was cursed by Loki during his time travels.
• Supreme Chef: Out of all the harem, Asia is believed to be the best in cooking.
• Throw the Dog a Bone: Her striking a friendship with Xenovia, who becomes a big sister surrogate.
• Token Religious Teammate: Despite being reincarnated as a Devil, Asia still believes in God and follows His teachings such as praying to Him and reading the Bible.
• Took a Level in Badass: In Volume 2 of Shin High School D×D, she fought against Crom Cruach alongside Fafnir in the Rating Game against Rias' team with Crom Cruach unable to break her Balance Breaker; by the end of the fight Crom Cruach broke one of his arms against Fafnir and Asia even used fire magic and wind magic offensively against Crom Cruach despite her kind nature before he retired her.
• Touched by Vorlons: Is blessed by Ophis to be able to make pacts with Dragons; the first is Fafnir. (Rassei doesn't count, as he is a Familiar).
• Tsundere: Not her, her breasts! Yes, Issei used his new ability to hear what a girl's breasts are saying.
• Undying Loyalty: After falling in love with Issei, Asia swears that she will always stand by Issei's side forever, and in demon years that is in the thousands. She declares she will join Issei's Peerage when he becomes a High-Class Devil. And she does upon his promotion in Volume 22!
• Unwitting Pawn: She never realized she was being used as a pawn by Diodora until it was too late.
• White Magician Girl: She fits the trope to a T: profusely compassionate and specializes in healing her teammates.
• Witch Hunt: Asia was persecuted as The Heretic when she was discovered to be able to heal not only angels and humans but also devils thanks to Diodora.
• You Can't Go Home Again: Asia can't return to the church any longer because she's a heretic.

Xenovia Quarta

Xenovia Quarta

Role: Knight
Species: Human / Reincarnated Devil
Voiced by: Risa Taneda (Japanese), Lauren Landa (English)^{Foreign VAs}Nadine Zaddam (German)

I will bring judgement upon you with my own hands, in the name of God.

Xenovia Quarta is an exorcist for the Roman Catholic Church who wields the Holy Sword Durandal. Along with fellow exorcist Irina Shido, Xenovia travels to Kuoh Academy to retrieve the three Excalibur swords that were stolen by Kokabiel. After retrieving the swords, she is exiled by the church for discovering that God Is Dead and joins the Occult Research Club as Rias' Knight. As a student of Kuoh Academy, she intends to become the academy's Student Council President, competing against Momo Hanakai and succeeding, forcing her to leave the Occult Research Club. After Issei's promotion to High Class Devil, she is traded to him by Rias, making her Issei's first Knight.

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• The Ace: She's one of the smartest at her class much to Issei's surprise. This is more impressive since when she first started attending Kuoh, she wasn't literate ^note Literacy in Japanese involves being able to read not only the "alphabet", but also the 100 most common Kanji (of thousands) and mentions pulling all-nighters so she can learn to read the classwork properly. In the future, she rose up to her ante, becoming a headmistress of a cram school.
• All of the Other Reindeer: By the time of volume 4, she is excommunicated from the Church for understandably learning that God Is Dead. Her status as a heretic is ultimately what leads to her reconciliation and friendship with Asia, who was equally considered one. The two still maintain their faith in God, however, but it's not enough to get them accepted back.
• Ambadassador: She and Irina are sent to Japan to retrieve the Excalibur fragments and negotiate a non-aggression pact with the Occult Research Club. When the situation goes From Bad to Worse, Xenovia and Irina team up with the Student Council and the Occult Research Club to fight Kokabiel. Even after having Rias transform her into a devil and later becoming the Student Council President, Xenovia hasn't lost her negotiating skills.
• Amusing Injuries: Like Asia, she gets headaches whenever she tries to pray after reincarnating as a devil until Issei asks Michael to let the two do so without resistance.
• Aren't You Going to Ravish Me?: When Issei's clone uses Dress Break on her in a side story, she gets mad... because he didn't take advantage of her afterward.
• Asskicking Leads to Leadership: She is a badass swordswoman who eventually becomes the Student Council President, leader of her own peerage, and a headmistress of her own school.
• Attack! Attack! Attack!: Something Kiba notes that she really needs to get out of. Which finally happens in Volume 14.
• The Atoner: She makes up for the mistake she made to Asia at the end of Volume 3.
• Babies Ever After: She finally gets her wish to reproduce as, in the future, she has a son with Issei, named Zen.
• Badass Cape: As a Church exorcist, white hooded cloak with gold and blue accents.
• Badass Teacher: In EX, she teaches her students as their headmistress from time to time.
• Bash Sisters: With Irina. They can even anticipate each other's moves in combat, not requiring to vocalize them, making them a very formidable Tag Team.
• Be as Unhelpful as Possible: When the girls catch her and Issei in a compromising position, Xenovia only digs Issei deeper into the hole by casually continuing her requests to make children. She later realizes that she was asking too much of him at the time... and gives Issei condoms in the middle of class so they can "practice".
• Became Their Own Antithesis: A heroic example. After the Occult Research Club's battle with Kokabiel, Xenovia goes from a devoted Catholic exorcist to a devil, the very species that serve as the Church's enemies.
• BFS: Durandal is a pretty big sword.
• The Big Girl: Xenovia is a power-type fighter and usually takes the direct approach in fighting, often trying to get the first attack before the fight officially begins.
• Big Sister Instinct: When Asia is taken by Diodora, she vaporizes two devils who got in her way.
• Black-and-White Morality: Like most others in the Church, she initially views devils, heretics, and fallen angels as enemies. However, she also didn't realize that in actuality God Is Dead until it was too late.
• Boyish Short Hair: She cut her hair short after a dangerous mission involving a vampire.
• Clingy Jealous Girl: Even more so than Asia. Once she has her Heel–Face Turn, she gets very jealous when she sees Asia or any other girl is about to do naughty things to Issei to the point where she strips and attempts to seduce him.
• Cloudcuckoolander: She lacks a lot of common sense, due to living most of her life sheltered in the Church like Asia.
• The Coats Are Off: She takes off her cape when she is ready to fight until she becomes a member of the Occult Research Club.
• Contralto of Strength: She has one of, if not the deepest voice of all the female Peerage members, courtesy of both Risa Taneda in Japanese and Lauren Landa in English, befitting her battle prowess and her personality as one of the most serious and tomboyish women amongst the main heroines.
• Cool Big Sis: She becomes an older sister surrogate to Asia towards the end of Volume 3, given their shared backgrounds as Italian heretics to the Church despite still believing in God as devils.
• Cool Sword: She's the current wielder of Durandal, her main weapon.
• Covert Pervert: The "pervert" part is undeniable. The "covert" part is at best paper-thin. During the short story "300 Isseis", when one of his clones (whom she thought was the real Issei) used Dress Break on her, she got angry not because she got stripped, but because he didn't do anything else to her.
• Darwinist Desire: Her initial attempts to seduce Issei were due to how powerful her children would be when sired with a host of the Red Dragon Emperor. True enough, her son in the future, Zen, is quite powerful in his own right.
• Defrosting Ice Queen: During her time as an exorcist, her initial indifference towards Asia, herself an exiled follower of God, causes Issei to snap when she attempts to kill Asia. Fortunately, she realizes the error of her ways and becomes an older sister surrogate to Asia after the latter forgives her at the end of Volume 3.
• Ditzy Genius: Despite frequently spouting off incoherent lines, she's one of the best students in Issei's class. She is severely lacking in the social skills department as seen below.
• Do You Want to Copulate?: She wastes no time in letting Issei know that she wants his genes. She has condoms on hand whenever he wants to 'practice'. Let that sink in.
• Dual Wielding: Usually wields Durandal but sometimes she wields it alongside Ascalon whenever Issei lends it to her, and eventually with Excalibur. She eventually learns a technique that requires her to dual wield to use it, Cross Crisis.
• Dumb Muscle: A debatably accurate accusation often leveled towards her, much to her annoyance. She lacks finesse or technique in combat, and just powers through, making her the exact opposite of dexterity-oriented Kiba. This leads to a hilarious subversion in Volume 14, when she starts using different Excaliburs. Kiba actually starts shedding tears of joy, and the attacking magicians are dumbstruck that the "power idiot" can use techniques.
• Early-Bird Cameo: She made a brief appearance in the post-credits of Season 1 during the announcement for NEW.
• Easily Forgiven: By Asia Argento at the end of Volume 3 when she has Rias transform her into a devil and apologizes for her earlier actions in their first meeting. The Church, not so much.
• Education Mama: Her son Zen hinted that she becomes this in the future to the kids as well as being a headmistress, but is laxer compared to other examples since they are more sociable and fighting a war.
• Enemy Mine: Despite being initially opposed to Devils and Fallen Angels as an exorcist, she and Irina still negotiate with the Occult Research Club to hunt down the Excalibur fragments.
• Even the Girls Want Her: She accumulated a lot of fangirls during the Rating Games.
• The Exile: She is exiled from the Church as a heretic for understandably learning the truth about God at the end of Volume 3.
• Faith–Heel Turn: Subverted — even after joining Rias's team, she still retains her faith in God.
• Fanservice Model: As of Volume 2 of Shin High School D×D, she's featured on a Gremory-owned show as an underwear model alongside Asia and Irina.
• Forgiven, but Not Forgotten: Xenovia does eventually reconcile with Asia shortly after the former becomes a heretic, but she remains deeply affected by what happened during their first meeting (which is understandable, considering Xenovia was an exorcist who opposed Devils).
• Form-Fitting Wardrobe: Her church battle outfit fits her shape.
• Good Costume Switch: After learning the truth about God and having Rias transform her into a devil, Xenovia ditches the white cape and hood combo she wore when she was an exorcist, as well as the rosary necklace.
• Gorgeous Gaijin: She's an attractive Italian compared to the (still attractive) Japanese Irina, making her the second Italian of Rias' peerage alongside Asia. Unlike the blond Asia though, Xenovia's blue hair isn't exactly what girls from her region are known for.
• Heel–Face Turn: Although Xenovia isn't a villain, she is converted into a devil and joins the Occult Research Club after finding out the truth about God from Kokabiel.
• Heel Realization: In the Volume 3 finale, she undergoes one after learning that God Is Dead and apologizes for her earlier actions towards Asia.
• The Heretic: At the end of Volume 3, Xenovia is excommunicated from the Church after finding out that God Is Dead. Fortunately, she makes friends with Asia, a fellow heretic.
• Heroes Prefer Swords: She uses the sword Durandal as her weapon.
• Hero with Bad Publicity: Despite being a well-known swordswoman and exorcist, she gets exiled by the Church for learning that God Is Dead.
• Heterosexual Life-Partners: She and Irina are BFFs, even after the former became a devil.
• Impossibly Cool Clothes: Her church battle outfit.
• Important Haircut: Her hair was once long in the past, but after going through the vampire mission, she cuts her hair short.
• Innocent Fanservice Girl: As Asia, she is hovering between this when she doesn't realize there's a problem with getting naked in a particular situation and a Shameless Fanservice Girl who fully comprehends what she's doing but does it anyway to achieve her goals.
• In the Hood: Back when she was an exorcist, she wears a white cape with a hood attached to it. By the end of volume 3, she uses the standard Kuoh Academy uniform.
• I Shall Taunt You: When Xenovia encountered Asia back in volume 3, she rubs the latter's exile in her face to Issei's understandable frustration. Later in the volume, she taunts Kiba for becoming a stray devil.
• Jerk with a Heart of Gold: Xenovia can be a stoic jerk, but she has a compassionate personality. She drops the "Jerk" part of her character after she's banished from the church toward the end of Volume 3.
• Knight Templar: When we first meet her, Xenovia believes in upholding the faith of the Church, even willing to kill Devils if absolutely necessary... until she learns that God Is Dead.
• The Lad-ette: As a result of being raised first and foremost as an exorcist. Her speech patterns are decidedly unfeminine compared to other girls in the series, and she's out of touch with what's considered girly activity.
• Lady of War: Early on, she’s portrayed as a very serious swordswoman, especially compared to her livelier partner Irina. She retains her battle prowess later on despite becoming an immodest airhead outside of fights.
• Leeroy Jenkins: She always charges into battle before anyone else. Issei doesn't react well to it.
• Leotard of Power: And has her sword to back it up.
• Long Hair Is Feminine: In the past, she grew her hair out for this reason, even though she also found in a hindrance in battle. After it gets caught in a fight with a Vampire, she cuts it down to its current length.
• Male Gaze: Most of her fanservice-heavy arts give a good focus to her shapely derriere.
• Marry Them All: After Issei proposes to Rias and declares his love for Akeno in front of a crowd, she becomes determined to make him "take responsibility" for her, Irina, and Asia as well. She later proposes to him during a Rating Game match, and he accepts. Oddly, perhaps due to her Christian upbringing, her proposal is the first one to use conventional marriage terms; with Rias, he asks her to "lead the same life" as him, while Xenovia specifically asks to be his bride.
• Master Swordswoman: It comes with her being an experienced exorcist and a Knight, which lets her fight against Kokabiel as well as the Khaos Brigade's forces.
• Mentor Archetype: She teaches her fellow students as a school headmistress by the time EX rolls around.
• Morph Weapon: Knows how to use Mimic thanks to Irina.
• Murder Is the Best Solution:
  • Done with any talks before the fight? She'll fire off the first blow before anyone else, much to Issei's consternation.
  • She really wanted to kill Diodora, but Shalba beat her to it.
• My God, What Have I Done?: While she doesn't utter the phrase, her guilt-ridden expression just screams this trope upon her reconciliation with Asia at the end of Volume 3.
• Named After Somebody Famous: Her first name is a misspelt version of Queen Zenobia, the famous warrior-queen from Palmyra (now modern Syria).
• No Social Skills: Talks about condoms and having babies to Issei out loud in front of everybody. Needless to say, she doesn't have the slightest social grace due to her having grown up as a member of the Church.
• Once Done, Never Forgotten: After befriending Asia, Xenovia's repeatedly beaten herself up for calling her a witch during their first meeting.
• Only One Name: She was only referred to as Xenovia until her last name Quarta was revealed in Volume 19.
• Pillar of Light: What happens when she combines Durandal with Ascalon.
• Rank Up: When Sona graduates, she becomes the Student Council President of Kuoh Academy. She later is promoted to High-Class Devil herself, giving her the right to have her own peerage. Among said Peerage includes Ruruko, who Sona traded to her after she was forced to take over as head of the Sitri Clan, Kuroka, who was officially given by Ajuka so as to no longer leave her marked as a stray, and Balberith and Verrine, who had defected from Hades side out of a desire for a family.
• Red Baron: With her promotion to High Class Devil, she earns the nickname Double Holy Swords of Destruction.
• Running Gag: Tends to literally kick Issei out of bed when they (again, literally) sleep together.
• Sensual Spandex: Her church battle outfit.
• Shameless Fanservice Girl: Is shameless about wanting to have sex and reproduce with Issei, though it's also a bit of Innocent Fanservice Girl as she doesn't realize how suggestive it all sounds.
• She Knows Too Much: She is excommunicated from the Church after learning that God Is Dead all along.
• Shoot the Dog: She views killing Asia and Kiba as this, given how devils are considered enemies of the Church. Issei disagreed.
• Spell My Name With An S: Xenovia or Zenobia? (It's actually Zenovia, as written in katakana since it is the modern form of Zenobia. However, since Xenovia is the most popular within fan translations and the official subs, it stuck and became official).
• The Stoic: She's a very calm, cool and collected warrior and almost shows no emotion on her face when she first appears.
• Student Council President: This is the main reason why she wants to be a Dumbass No More. She takes Sona's place when she graduates by the end of Volume 19. In EX, Xenovia ups the ante by becoming a school headmistress.
• Stuff Blowing Up: She blows up everything with her sword.
• Token Religious Teammate: Share this role with Asia. Being a demon or learning that God Is Dead didn't stop her from being religious at all. Her desire to reproduce is also seen by her as a way to obey God's command to be fruitful and have children to walk the Earth after his sacrifice.
• Tomboy and Girly Girl: She's the tomboy compared to Asia and Irina, and thus considers being a mother as a "womanly" goal to make up for being just a warrior to the long-dead God and to provide his world children in his absence.
• Tomboyish Voice: In both Japanese and English dubs her normal voice is deeper and rougher than the majority of other girls her age, to represent how she has a much tougher and more masculine attitude compared to them. It also counts her for Contralto of Strength, since the rough deepness also represents well how she's a straightforward brute-force fighter compared to the more graceful combat styles of the other girls.
• Took a Level in Kindness: She is introduced as a stoic and level-headed exorcist who is willing to uphold the Church's beliefs, even resorting to killing devils or heretics where necessary. Once she becomes a devil at the end of volume 3, Xenovia becomes a friendly and lovable goofball.
• Too Many Belts: Has multiple belts on her legs, arms, under her breasts, and wears one as underwear. In one of the illustrator's artworks, she wears them as a swimsuit!
• Undying Loyalty: Towards Issei, as she asks Issei to let her join his peerage when he becomes a High-Class Devil. Which she does upon his promotion in Volume 22.
• Unskilled, but Strong: The addition of Excalibur to her Durandal provides her with a wide range of abilities, but she doesn't know how to use most of them very well and generally sticks to brute force.
• Vapor Wear: Irina reveals that Xenovia doesn't have any undergarments in her uniform.
• Why Did It Have to Be Snakes?: She's apparently afraid of her swordmaster-turned-Angel, as shown in her short story.
• You Can't Go Home Again: Just like Asia, Xenovia is unable to return to the Church due to her excommunication.

Rossweisse

Rossweisse

Role: Rook^spoilerBishop in the Azazel Cup
Species: Valkyrie / Reincarnated Devil
Voiced by: Ai Kakuma (Japanese), Mallorie Rodak (English)^{Foreign VAs}Anja Rybiczka (German)

"My name is Rossweisse. I will be under your care during our stay in Japan. Nice to meet you all."

Rossweisse is a valkyrie who is a subordinate to her master, Odin. As it turns out, she hasn't gathered a single warrior for Ragnarok. After being abandoned by Odin, Rossweisse is reincarnated as a devil, joins the Occult Research Club as Rias's Rook and a second advisor, and becomes a civics teacher at Kuoh Academy. She is traded to Issei upon his promotion to High-Class Devil, making her Issei's first Rook.

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• Accent Slip-Up: She usually speaks in a polite register, but slips into a country accent when she's talking to her grandmother or embarrassed.
• Affectionate Nickname: She is called Rose by her grandmother Gondul.
• Arranged Marriage: In volume 24, it is mentioned that her grandmother Gondul made a deal with the Asgardian top brass to marry her to one of the gods. Her groom-to-be? Vidarr, Odin's third son and current ruler of Asgard himself. Though given the Foregone Conclusion from EX, Issei can call this off since Vidar isn't interested in marrying her in the first place.
• Babies Ever After: In the future, she has a daughter with Issei, named Helmwige.
• Badass in a Nice Suit: She usually wears a black business suit as a civics teacher and is capable of moping the floor with other enemies.
• Badass Teacher: She is the civics teacher at Kuoh Academy from time to time.
• Barrier Maiden: Both in the literal and figurative sense, as EX shows that she has completed her sealing technique first mentioned in Volume 17 which is capable of containing a God-Class being in a black spherical barrier. However, the seal is still not perfect and requires frequent reinforcing.
• Bathtub Bonding: She joins Issei in the male's bath at Sona's Rating Game School's Dormitory. She asks Issei to kill her if she is used by Euclid but he refused that, by saying he wouldn't hand her over and before she could give her reply Asia, Xenovia, Irina, Koneko and Ravel walk in and jump in when they see them together.
• Berserk Button:
  • She is furious when Issei and Azazel suggest that her somewhat prudish ways are the reason that she doesn't have a boyfriend and almost fries the former with her magic for doing just that in volume 9.
  • Destroying her clothes that she bought on sale, since she's very aware about the financial risks.
• Blatant Lies: Asking Issei about his preferences and saying his opinion is an "example".
• Bodyguard Babes: She serves as one to Odin up until the end of Volume 7.
• Bodyguarding a Badass: There should have been no reason why Odin needed her at all considering what he can do.
• Breast Expansion: Inverted like Rias when her breasts shrink to power Issei's Nyuutron Beam Cannon against Thanatos. As with Rias, Issei sheds mournful tears despite the change being temporary.
• Butt-Monkey: She doesn't have it quite as bad as Issei, but she still has her sore spot about lacking a boyfriend frequently brought up, is implied to have financial struggles, joined Rias because Odin abandoned her, has her jersey stripped off by Issei's Dress Break, and can't handle alcohol at all.
• Cannot Spit It Out: When it comes to finding a boyfriend, she isn't completely honest about her feelings for Issei, at least until Volume 25.
• Can't Hold Her Liquor: As opposed to Grayfia, one cup of sake leads to slurred speech, and two leaves her with a hangover, sufficiently non-detailed nausea, hiccups and a staggering stumble. After falling for Issei and getting engaged this causes her to become extremely lustful and seductive.
• Celibate Heroine: The reason she’s so far ahead academically compared to others of her age is that, unlike the other valkyries, she put romance to the side in favor of studying. She’s clearly regretting the results now, though. However, after falling for and becoming engaged to Issei, she has become more lustful.
• Cool Teacher: To the Devil children students of the Aurous Academy, who greatly liked her and her grandmother's magic lessons.
• Conflicting Loyalty: She has a brief moment of this in volume 22 between Issei and Rias when both of them are entering the Azazel Cup independently but Rias has her join Issei.
• Defector from Decadence: Being abandoned by Odin at the end of volume 7 gave Rossweisse the perfect opportunity to join the Occult Research Club.
• Did You Just Flip Off Cthulhu?: In the volume 7 finale, Rossweisse joins the Occult Research Club not only for financial reasons but also to essentially give a "screw you" to Odin, who abandoned her shortly after Loki's defeat.
• Drowning My Sorrows: She's been drinking alcohol ever since she became Odin's bodyguard. Even after joining the M Cs she still drinks on occasion which causes hilarity.
• Elemental Powers: She is very talented with elemental magic, using a variety of elements in battle.
• Expressive Hair: Her two antennae at any rate, and only sometimes.
• First Kiss: She shares her first kiss with Issei in Volume 25.
• Hair Antennae: And unlike Akeno's, they express her feelings on rare occasions.
• Hot for Student: She becomes this after falling in love with Issei. She's only about a year older than him, though.
• Hot Teacher: One of the teachers of Kuoh Academy despite being near Issei's age.
• Inelegant Blubbering: She's prone to this whenever her lack of a boyfriend is brought up. It is later ended after she is engaged to Issei.
• Instant Armor: While it presumably doesn't have the same protective measures as Issei's Scale Mail, she has the ability to instantly switch out whatever she's wearing for her valkyrie armor.
• Instant Runes: She can make multiple magic circles in an instant, the anime shows them well during the battle with Loki where she makes a dozen in an instant.
• It's Personal: Her resentment of Odin is personal, because of how he abandoned her at the end of volume 7.
• Leotard of Power: She wears a black leotard with her valkyrie armor when engaging in battle.
• Lovable Sex Maniac: After she is engaged to Issei, rather than spiralling into sadness when she gets drunk, Rossweisse seems to direct her attention to Issei by clinging to him. She has risen to Akeno level, as seen in Shin Volume 3 after eating a brandy cake, she tries to seduce Issei and even ties him up to prevent him from escaping and she actually almost goes all the way... only to pass out at the last moment. Even after that, she continues to have dreams about making Issei the father to their children.
• Magic Knight: She wears armor like a knight, but her skill lies in her magic. Issei describes her as a "moving cannon" as a result of her being a wizard-type Rook.
• Magic Wand: The Mistilteinn Wand, which is a legendary weapon of the Norse Gods, can enhance the user's magic. Rossweisse obtains one from the Grigori Governer; Shemhazai.
• Mentor Archetype: She teaches as a civics professor at Kuoh Academy.
• Mid-Season Upgrade: Though it's bordering on So Last Season and 11th-Hour Superpower since the novels went into its final arc, she gets some much-needed firepower by obtaining Mistleteinn, the famous weapon that killed Baldr in the original Norse myths. There's a catch for that.
• Mystical White Hair: Silver hair is befitting of a mystical valkyrie.
• Number Two: She serves as one of Odin's bodyguards until she gets abandoned in the volume 7 finale. Afterwards she typically becomes Azazel's whenever meetings for the allied forces occur, or when he needs to ditch schoolwork off on her.
• Randomly Gifted: Played With. While Rossweisse was stated to lack talent at performing her family's signature magic, she did develop the ability to easily learn and master offensive-based magic.
• Reasonable Authority Figure: When Rossweisse becomes one of Kuoh Academy's civics teachers, she often gives out thoughtful advice to her students as well as Issei.
• Reluctant Fanservice Girl: She’s notable for being one of the more conservative girls in the Club. Even Koneko, who often snarks at and punishes Issei for his perversions, isn’t completely averse toward intimacy. She’s mortified when Issei strips her with Dress Break (though she’s more upset about the cost of replacing the clothes) and wears a Modesty Towel when the other girls happily go into baths naked with him, only sharing a proper nude bath with him once when she went over to the boys' side while the girls' side didn't have heat, mistakenly believing that nobody was there. She slowly grows out of this after falling for Issei.
• Rescue Romance: She falls in love with Issei after he saves her from Euclid.
• Romantic Fake–Real Turn: Rossweisse asked Issei to pretend to be her boyfriend in front of her grandmother; Gondul, because she lied about having a boyfriend. After Issei promises to keep her safe from Euclid and later saves her from him, she truly falls in love with him as her grandmother entrusts her to Issei.
• Semi-Divine: Valkyries are regarded as Half-Gods.
• The Scrooge: She tries to save money as much as possible, preferring to shop in 100-yen shops, and her first complaint when Issei's Dress Break destroys her clothes is about what it'll cost her to replace them.
• Sensei-chan: Attractive? Check. Only a couple of years older than her students? Check. Still unmarried? Check. Has some quirks that make her act more childish than she should be? Check.
• Shout-Out Theme Naming: Rossweisse and Helmwige are the names of some of the Valkyries featured in Richard Wagner's Der Ring des Nibelungen.
• Skewed Priorities: When fighting Issei in Volume 9 to prevent him from peeping on the girls in his class, Issei manages to end the fight with his Dress Break. She gets upset... because the clothes she was wearing at the time had been on sale and will cost more to replace. It's a moment later that she suddenly realizes that she's been stripped naked, much to Issei's confusion.
• Statuesque Stunner: Not only does she stand at 173 cm/5'8'' tall, but she's one of the club's attractive female characters in the series.
• Supernatural Sealing: Rossweise is an expert at Sealing Magic from studying it to find a way to seal the 666. She can use it in combat to seal her enemies with powerful magic seals. Her sealing barrier is effective even against Armaros, the Grigori anti-magic specialist, if she has enough time to prepare it.
• Surpassed the Teacher: She achieves this after defeating the senior Valkyrie who taught her; Brynhildr.
• Valkyries: She is introduced as Odin's bodyguard, and apparently holds the record for the longest time accompanying him.
• Woman Scorned: Given how Odin abandoned her at the end of volume 7, she loses her cool whenever she sees him afterwards.
• Yandere: At least according to Issei's description of her after chasing down Odin in Volume 10.
• Yank the Dog's Chain: After volume 7, she gets abandoned by Odin and suffers a Heroic BSoD.
• You Have Outlived Your Usefulness: Odin abandons her towards the end of Volume 7, which leads to Rossweisse joining the Occult Research Club and reincarnating as Rias' second Rook.
• Younger than She Looks: Looks and acts like a mature person, but is only around the group's age.

Ravel Phenex

Ravel Phenex

Role: Bishop^spoilerPawn (x2) in the Azazel Cup
Species: Pure Devil
Voiced by: Asuka Nishi (Japanese), Brittney Karbowski (English)^{Foreign VAs}Sarah Alles (German, 2014), Alice Bauer (German, 2016-present)

Ravel Phenex is the only daughter in the Phenex family who serves in her brother Riser's peerage as his Bishop and participated in the Rating Game against the Gremory family. Following Riser's defeat, she becomes a free bishop. Eventually, she becomes a first-year transfer student at Kuoh Academy and joins the Occult Research Club. Following the success of Issei's television series, she becomes his manager in the Underworld. After Issei's promotion to High Class Devil, she is traded to him by Lady Phenex, making her Issei's second Bishop.

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• Animal Jingoism: She has a bird motif, while Koneko has a cat motif; the two don't get along well given their battle at Riser's Rating Game.
• Animal Motifs: The phoenix, which fits her surname.
• Babies Ever After: In the future, she has a daughter with Issei, named Robertina.
• Badass Cape: Wears a long purple cape as part of her uniform while competing in the Azazel cup.
• Bathtub Bonding: She walks in on Issei bathing and joins him in Volume 14. At first, Issei is worried that it will be a repeat of the infamous Hot-springs encounter from the Volume 13 short stories until she starts trying to be intimate with him. Unfortunately for both of them, Ophis had other ideas.
• Big Brother Worship: She believes that her brother is so powerful, no one could ever possibly defeat him. Until Issei does in Volume 2.
• The Bus Came Back: She is mostly absent following Riser's defeat, aside from sporadic appearances during the Grabbin' Dragon campaign and the Young Devils Gathering. By Volume 10, she transfers to Kuoh Academy and becomes a major character in her own right.
• Bust-Contrast Duo: She is more busty in comparison to Koneko, who suffers from A-Cup Angst.
• Clingy Jealous Girl: She gets jealous when Koneko is sitting on Issei's lap. She also shows generally on occasion.
• Combat Pragmatist: In Ratings Games. Unlike most Devils (including her own brother) who fight with some amount of honor in the spirit of the thing, Ravel is absolutely ruthless in pursuit of victory. Demonstrated in the Rating Game between Issei and Sona in volume DX 4/23.5, where she nukes Sona's side of the field right out of the gate to deny them any cover or terrain advantage, takes out Tsubaki by exploiting her Yaoi Fangirl streak, and then - having completely stripped Sona's team of any defensive options - allows Issei and Grayfia to run roughshod over their helpless opposition. It's such a crushing victory Ravel would have gained more points than Sona even if she'd sniped.
• Damsel in Distress: She gets captured along with Koneko and Gasper when the Khaos Brigade launches yet another assault on Kuoh Academy.
• A Day in the Limelight: Volume 14 spends time on Ravel finding Issei a wizard to form a contract with, as well as dealing with a rogue group of magicians that have been manufacturing illicit Phenex tears to sell on the black market.
• Fanservice Pack: Some illustrations of her either depict her flat-chested or with breasts nearly the same size as Asia's (pictured above), with the most case being an illustration in Volume 14. The Official Data Book later has it that her chest is actually 2 cm/0.79'' below Xenovia's, and that her shifting sizes were due to artist error.
• Hair Antennae: Like Akeno, she has an antenna that slopes backwards, rather than forwards.
• Hair of Gold, Heart of Gold: A young, pretty and well-mannered Ojou.
• Hero-Worshipper:
  • She originally was this to her big brother Riser, thinking that no one was strong enough to defeat him. Though she later starts to acknowledge his faults.
  • She later becomes this to Issei, due to falling in love with him and wanting to be his servant, as he reminds her of the heroes that appeared in the stories that her butler told her.
• Hidden Depths: Seems spoiled and shallow at first, but she's actually a very organized, intelligent, clear-headed girl who is a talented baker, with an eidetic memory.
• Honest Corporate Executive: After volume 11, she becomes a successful business manager for Issei.
• Irony: She mocks Issei when they first encountered each other, stating that Rias has bad taste in men given her adoration of Issei. Ironically, Ravel falls in love with Issei herself and make arrangements to become his servant and manager.
• Know When to Fold 'Em: When Issei and Riser's Engagement Challenge is finished, she decides to take her injured brother and leave the battlefield.
• Malicious Misnaming: When Issei meets Ravel after defeating Riser, he calls her "the fried chicken's little sister." Then, Koneko calls her a "fried chicken princess." Understandably, she gets annoyed.
• Mentor Archetype: She becomes Issei's manager and eventually his mentor in his peerage, as well as his second in command.
• The Napoleon: She may be 153 cm/5'0'', but she is not someone you want to screw around with.
• Noblewoman's Laugh: She laughs briefly in chapter 20 of the manga, complete with the pose, only for Issei to walk past her to her frustration.
• Number Two: Ravel serves as Issei's loyal second in command due to her experience and personality and because Ingvild doesn't have much experience as a Queen.
• Offscreen Moment of Awesome: Ravel is mentioned wiping out waves of evil dragons in the defense of the Norse territories in volume 21.
• Ojou: To be expected of the only daughter of the Phenex family.
• One Head Taller: With Issei, who is 170 cm/5'7'', while she's only 153 cm/5'0''.
• Playing with Fire: Uses powerful flamethrowers against evil dragons in Volume 21.
• Power Gives You Wings: Like Riser, she also has the ability to sprout Hot Wings.
• Religious and Mythological Theme Naming: Her surname comes from the 37th of the 72 demons of the Ars Goetia, which is, as its name implies, a phoenix.
• Shameless Fanservice Girl: While Ravel was initially a bit shy about being in erotic situations with Issei, she later becomes far more comfortable with them after he returns from his "death".
• Sir Not-Appearing-in-This-Trailer: She doesn't appear in the first teasers of Hero, given that the second half of the season adapts volume 10, where she has a major role.
• The Smurfette Principle: The only female child of the Phenex family.
• The Strategist: She is the strategist for Issei's peerage and his Azazel Cup team.
• Strong Family Resemblance: Ravel greatly resembles her mother Lady Phenex with her blonde hair, blue eyes and calm personality.
• Supreme Chef: She can bake cakes just fine.
• Sweet Tooth: Like Koneko, Ravel has a fondness for eating and making cakes.
• Tomboy and Girly Girl: The contrast between Koneko and her. Ravel is a feminine noble girl, who is good at a variety of things such as cooking, and fights as Long-Range Fighter, compared to Koneko; who is a tomboyish orphan who fights as a Close-Range Combatant.
• Underestimating Badassery: In volume 2, she underestimates how Issei can defeat Riser and is proven wrong.
• Undying Loyalty: She wants to eventually become a Bishop under Issei. She finally does after he becomes a High-Class Devil in Volume 22.
• Vitriolic Best Buds: With Koneko, via Animal Jingoism.

Ingvild Leviathan

Ingvild Leviathan

Role: Queen
Species: Human/Devil Hybrid

Ingvild Leviathan is a descendant of the original Leviathan and possessor of Nereid Kyrie, one of the several Sacred Gear reclassified as Longinus level. Although she was left in a coma for over 100 years because of the same disease Sairaorg's mother had, she reawakens by the time of the Azazel Cup. She later becomes Issei's Queen.

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• The Beastmaster: One of the main aspects of Nereid Kyrie (Also known as Poem of Endless Green Sea) is its ability to control dragons, which Ingvild can use to direct Issei and give him an additional power boost.
• Brainwashed: Nyx put a complex spell on her to weaponise her voice on dragons like Issei, Vali and Crom who would pose a threat to the Gods of Hell.
• Born Winner: She, like Vali, qualifies due to being born with both immense demonic power due to her Leviathan heritage, as well as having a Longinus.
• Brown Note: Nereid Kyrie can drain the stamina of any dragon who hears her voice, including Ddraig's from within Issei's Sacred Gear (Issei himself is also affected as he's a Draconic Humanoid). It's suspected that it could even weaken Ophis and Great Red.
• Combat Pragmatist: Played for Laughs. Ingvild kills a group of Artificial Devils while they were Evil Gloating.
• Convenient Coma: She has been in one for 100 years, caused by the same disease that Misla Bael had.
• Damsel in Distress: She gets mind-controlled by Nyx, who hopes to exploit her due to the power of her Longinus. Issei can save her by defeating Nyx.
• Distaff Counterpart: Issei notes her as a female counterpart of his rival Vali Lucifer, with both being half-human/devil descendants of the original Satan clans, in addition to possessing Longinus Sacred Gears.
• Fish out of Temporal Water: Having awoken from a 100-year coma, Ingvild gets stuck in a world where everyone she knew is dead.
• The Gift: She is noted by Issei to have the same level of talent as Vali, being able to rapidly improve her abilities in a short amount of time.
• Half-Human Hybrid: Half-human, half-devil, her devil heritage comes from the Leviathan Clan.
• How Do I Shot Web?: Upon becoming Issei's Queen, she sprouts eight wings like Vali... and asks how to put them away.
• Hybrid Power: Due to her hybrid nature, she inherited the unique demonic powers of the Leviathan bloodline due to her devil side, in addition to her human side allowing her to obtain Nereid Kyrie.
• Instant Expert: Ingvild shows instant progress in using her demonic power and magic after being taught by Rossweisse, with her specializing in water manipulation due to her Leviathan heritage.
• Last of Her Kind: Ingvild was in a coma for 100 years, and thus escaped the Occult Research Club's battle with Katerea Leviathan. By the time of Shin High School D×D, Ingvild's the last living descendant of the original Leviathan.
• Making a Splash: Neried Kyrie allows Ingvild dominion over the seas. She’s inherently good at water magic thanks to her Leviathan heritage.
• Mysterious Waif: She’s introduced as an enchanting singer with a somewhat spaced-out personality and a vague background. Later, she’s revealed to be a distant descendant of the original Leviathan and possess one of the new Longinus, for which Hades’ alliance is taking advantage of her.
• Named After Somebody Famous: She's named after the famous Norwegian actress Ingvild Deila.
• Older Than They Look: She looks 17 but is 117.
• Proper Tights with a Skirt: The cover for DX.7 reveals that she wears a pair of purple tights as part of her Kuoh Academy uniform.
• Reluctant Fanservice Girl: She hovers between this and Innocent Fanservice Girl as her reaction to seeing Issei, Akeno and Koneko naked in a compromising position was to wonder if she should get naked while feeling a bit embarrassed about it.
• Status Buff: Ingvild's Longinus can be used to strengthen Dragons though it is noted that she can only strengthen them by a small degree due to being Incompletely Trained.
• Sleepyhead: This is a lingering effect from the disease she had. Ingvild has a hard time staying awake, even falling asleep during class and at work.
• Unskilled, but Strong: Fresh out of a 100-year coma, still narcoleptic, and learning the basics of a Devil's duties under her King Issei, yet she already boasts Satan-class aura in addition to her Longinus. She is also a descendant of the original Leviathan.
• Walking Spoiler: As she debuts in Shin High School D×D, her existence spoils not only the fact that there is a Sequel, but also that Issei has become a High-Class Devil and amassed a Peerage of his own with her as his Queen.

Issei's Second Knight (Spoilers)

Bennia Orcus

Role: Knight
Species: Human/Grim Reaper Hybrid / Reincarnated Devil

Bennia Orcus is a half-Grim Reaper and Sona's second Knight. She enrolled at Kuoh Academy as a First Year student soon after Sona's graduation and proceeded to join the Occult Research Club. With Sona becoming the new head of the Sitri family and thus unable to battle on the front lines, Bennia is traded into Issei's peerage, becoming his second Knight.

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• Ascended Fangirl: By trading his remaining Knight piece to Sona, she becomes Issei's second knight.
• Back-to-Back Badasses: With Loup Garou in Volume 16.
• Braids of Action: Has a waist-length braid, and she's very powerful.
• Fangirl: She is a fan of The Gropin' Dragon.
• Distinguishing Mark: She has black markings with gold neon lines on both her legs, which curiously match the pattern on her scythe.
• The Gadfly: Has no issue teasing allies and enemies alike, and is often caught pulling pranks.
• Genki Girl: Is described as very upbeat and cheerful.
• Going Commando: Judging by her images, it can be seen that she wears no underwear under her dress.
• Half-Human Hybrid: Half-human, half-grim reaper, her reaper heritage comes from her reaper father, Orcus.
• Me's a Crowd: Kiba does note that the clones she makes are easily distinguishable but because she's fast, enemies can't hit her clones anyway.
• Pre-Asskicking One-Liner: Against vampires:
  Bennia: "You’ll die. Anyone who sees my scythe will all die."
• Shout-Out: Her armor is based on the Deathscythe. The above-mentioned Pre-Asskicking One-Liner is a shout-out to its pilot Duo Maxwell.
• Sinister Scythe: Her main weapon.
• Supernatural Gold Eyes: Her eyes are bright gold, and she's part Grim Reaper.
• Super-Speed: Slower than Kiba but still noted by the latter that she's fast.
• Vapor Wear: She doesn't seem to wear any underwear under her outfit.
• White Mask of Doom: She usually wears a white mask, given her status as a grim reaper.

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