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Characters / Sword Art Online Mobile Games

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Real world names are in western naming order. Followed by their online name and worlds they played in.note 

This page details characters who are introduced as mobile game exclusive characters.

Note: Unmarked spoilers ahead.

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Introduced in Integral Factor

The customizable Player Character for Integral Factor.
  • Action Girl: If the Player is a girl.
  • Adventure Duo: With Koharu. The Player is the brave, confident hero to Koharu's more cautious and compassionate lancer.
  • All Deaths Are Final: Averted. While from a narrative perspective, the Player will die for good if their HP hits zero. However from a gameplay perspective it's very much Non-Lethal K.O. and the Player will respawn in the Town of Beginnings if they lose all their HP. The game even seems to encourage this with achievements for dying a certain number of times.
  • All Just a Dream: The 2019 April Fools event played up a particularly ridiculous scenario which ends up being explained away as a dream on the Player's part... or was it?
  • All Men Are Perverts: If the Player is male, there's often a second dialogue option that's a bit perverted where he shows his attraction to cute girls they come across. Koharu keeps stepping in to make him behave himself. They have the same responses if the Player is female.
  • Ambiguously Gay: If the Player is female, she has been known to flirt with or display attraction towards other girls.
  • Audience Surrogate: They are literally meant to represent the real life you.
  • Birds of a Feather: A lot of the Player's character can be seen in Kirito and Yuuki, being Thrill Seekers who are impossibly strong warriors. It's no wonder the Player gets along so well with them.
  • Character Customization: Appearance, name, and even voice can be customized.
  • Composite Character: A lot of Kirito and Asuna's plots from Progressive are given to the Player and Koharu, such as befriending Kizmel and helping them in the Elf War campaign.
  • Dude, Where's My Respect?: After helping out Kibaou on Floor 2 and seen talking with Kirito, other members of the Assault Team start ostracizing the Player and Koharu much like they did with Kirito. This is after the Player worked hard on many quests to gather items and intel.
  • Enemy Mine: After Floor 8, the Player and Koharu help out Wendelin the Forest Elf commander, even though they are actually allied with Kizmel and the Dark Elves. The reason being they found a common enemy in the Fallen Elves.
  • Famed In-Story: By Floor 5, the Player and Koharu gain quite a reputation for being two of the strongest players that are part of the Assault Team and have taken down a large number of bosses. They even gain fans who are willing to take pictures of them in secret.
  • Game-Favored Gender: While the player can be either male or female, story seems to lean more towards them being a male. One of the home screens saving Diavel, depicts the Player as a generic male. Story wise, Koharu constantly has to keep the Player from flirting with or gushing at other girls. While some characters explicitly address female Players using male terms. Although there are still quite a few lines adjusted if the Player is female.
  • Featureless Protagonist: Averted, unlike the Player of Fatal Bullet. Despite having limited dialogue, the Integral Factor Player's dialogue choices do a surprisingly good job of establishing their personality. They care a lot about Koharu, is not above flirting with or admiring attractive girls, and is a Determinator who works very hard to help the Assault Team to clear the game.
  • Hello, [Insert Name Here]: Has a customizable name.
  • The Hero: They are The Protagonist for Integral Factor.
  • Heroic Mime: Zigzagged. The Player is audible in gameplay based on a customizable voice, and during dialogue cutscenes certain times allow choice between two or more options. While the Integral Factor Player is given dialogue options more frequently than the Player of Fatal Bullet, it is still the NPC characters who do most of the conversing. However it's far less obvious that the Integral Factor Player is The Quiet One due to the fact that not all NPC dialogue is voiced, meaning they don't stick out as much for standing there saying nothing.
  • Knighting: They and Koharu are knighted by the Queen at the end of Floor 9 for their help in the Elf War campaign.
  • Magnetic Hero: In contrast to Kirito's Hero with Bad Publicity, the Player endears and impresses nearly every character they come across due to their kindness and strength.
  • The Mentor: Ends up taking Silica in as their student, training her to become stronger so she can better fend for herself.
  • Nice Guy: Is a kind player who willingly keeps Koharu company throughout the whole game where they become close companions.
  • One of the Boys: If the Player is female, she is typically treated and grouped with the guys like Kirito and Klein.
  • Player Character: Is this for Integral Factor rather than Kirito. Kirito and Asuna are still there and show up at certain points, especially Boss battles, but they often have their own adventures elsewhere.
  • Protagonist Without a Past: As the Player is meant to represent you, they are not given any backstory on their life before being trapped in Sword Art Online.
  • Seen It All: The Player has gotten so used to Argo sneaking up to them that eventually the Rat is dismayed to find she can no longer startle them at all.
  • The Tease: Often there will be a dialogue option that allows you to tease the NPCs that you're conversing with and making them annoyed at you.
  • Thrill Seeker: Is described as being one, being able to see the fun in dire situations, not unlike Yuuki.
  • Took a Level in Badass: When they came across Kirito in the beta, they were struggling against fodder monsters. Later they end up as one of the strongest players in the game, just behind Kirito and Asuna.
  • You Remind Me of X:
    • The Player mirrors Kirito in being a passionate gamer who gets a thrill out of challenging boss battles. Asuna says that the Player takes after Kirito in that regard.
    • In Kizmel's character quest for Floor 9, a dazed and injured Kizmel momentarily mistakes the Player for her twin sister Tilnel, as the Player treated her wounds much like her sister often did.


Koharu Honda / Koharu
Voiced by: Ari Ozawa
The main heroine of Integral Factor who serves as the Player's partner. She has known them since the beta testing days where they became friends and continued on into the official launch of SAO.
  • Action Girl: Though she has no confidence at first, Koharu ends up becoming one of the strongest players in SAO and always fights by the Player's side.
  • Adventure Duo: With the Player, being the more cautious and rational lancer to the Player's hero.
  • All-Loving Hero: Koharu is kind hearted to virtually everyone she comes across. It takes a really nasty person to get her angry. Sanya even tells Koharu that she's too nice and selfless for her own good.
  • Armor-Piercing Question: While Koharu and Sinon debate over whether NPCs like Kizmel are real or not, Sinon asks her if a player were to attack Kizmel if she would protect her. Koharu states she would, to which Sinon follows up with "Even if you had to kill them to save her?", which visibly causes Koharu to be conflicted.
  • Badass in Distress: On Floor 20, she and Sanya both get ambushed by orange players with weapons capable of paralysis, where the two girls get held hostage while the Player is forced to stand there and be a punching bag for the evil players' amusement.
  • Best Friend: Koharu is the best friend and partner of the Player, regardless of gender. Though there are Ship Tease moments between at times.
  • Big Sister Instinct: Comes to Silica's defense when a nasty female player tries to attack her out of jealousy.
  • Chronic Hero Syndrome: Koharu cannot help but respond to the aid of players in need, even more so than the Player who is sometimes given the choice to express doubt. This even extends to NPCs who Koharu thinks of as real people that need to be respected.
  • Cool Big Sis: Is one to younger players like Mater and Silica, constantly watching out for them and being concerned with their safety.
  • Declaration of Protection: There are multiple instances where both she declares she would protect the Player from harm.
  • Enemy Mine: After Floor 8, the Player and Koharu help out Wendelin the Forest Elf commander, even though they are actually allied with Kizmel and the Dark Elves. The reason being they found a common enemy in the Fallen Elves.
  • Famed In-Story: By Floor 5, she and the Player gain quite a reputation for being two of the strongest players in the game and members of the Assault Team, having huge success in clearing the bosses. They even gain fans who are willing to take pictures of them in secret.
  • Gamer Chick: She was an SAO beta player, although she's relatively inexperienced compared to the Player.
  • Hello, [Insert Name Here]: While her default name is Koharu, it can be changed just like the Player character.
  • Huge Schoolgirl: She's shown to be the same height as Asuna, who is already noted to be quite tall for an Asian adolescent girl.
  • Iconic Item: The Pendant Koharu wears is a keepsake for her as it reminds her of one she wore in real life given to her by her mother. Upon seeing one that resembled it in SAO she spent all her savings on it immediately and has worn it ever since.
  • Knighting: She and the Player are knighted by the Queen at the end of Floor 9 for their help in the Elf War campaign.
  • The Load: Later floors has Koharu viewing herself as one, with it being a reoccurring theme of Koharu doubting herself.
  • Morphic Resonance: Koharu is one of the few players who used her real life appearance for her avatar before Kayaba reset it. This is because she formerly used an account for VR shopping (which requires your real life appearance) and when moving to SAO she converted accounts without changing her avatar.
  • Nice Girl: Koharu is generally very kind to all she meets, even strangers.
  • Non-Player Companion: The NPC partner that accompanies you in the game.
  • Protectorate: On later floors, Koharu constantly vows to protect the Player no matter what. It is her inability to protect them that causes her immense grief and self-doubt, especially on Floor 20 where she and Sanya get held captive by Laughing Coffin players while the Player is forced to stand still and be a punchbag for their amusement.
  • Real Name as an Alias: Word of God confirms her real given name to be Koharu.
  • Seen It All: While for several floors she would be surprised when Mater shows up in the labyrinth when the boss respawns, by the time of Floor 20 she has come to expect Mater to be there and even messages the little girl in advance.
  • Ship Tease: While she and the Player are typically just friends, there are moments that hint at something a bit more.
  • Straight Man: The more sensible and maturer partner to the Player.
  • Suspiciously Similar Substitute:
    • She initially behaves a lot like Sachi, feeling she's weak and fearing for her life. However unlike Sachi, she had the Player constantly keeping her company and giving her confidence. It's probably why Koharu sympathizes with Sachi herself so much.
    • To a degree she's also a stand-in for Asuna, being the main female heroine during the Aincrad arc who accompanies the Player who is The Hero. Koharu also has an arc of gaining confidence in herself to become one of the strongest players, as well as being a Cool Big Sis to younger players.
  • Tomboy and Girly Girl: If the Player is female, Koharu will have this sort of dynamic with them, as it's been noted that the Player is not very girly.
  • Took a Level in Badass: Alongside the Player, but with Koharu it's also in a mental sense where she braves up and overcomes her fears.
  • Verbal Tic: Her most frequent audible dialogue is "Eto..."note  which she is even heard saying outside of cutscenes.
  • Voice for the Voiceless: Technically a voice for The Quiet One, given the Player is a semi-Heroic Mime.
  • Weapon of Choice: While Koharu can be customized with any weapon, there are a few weapons that she appear to canonically be favored for her.
    • She's most strongly associated with a rapier. Tutorial pictures show her with a rapier and a story event specifically has the quest instructing Koharu have a rapier crafted just for her.
    • Alternatively she's also associated with a dagger with the Home screen having her holding a dagger, while several Skill Record cards for daggers features Koharu.

A little girl who the Player and Koharu keep running into from Floor 5 onwards.
  • Aloof Big Sister: Inverted. She's the aloof little sister to her big brother, Lueur, and makes no effort to hide her disdain for him.
  • Ambiguous Situation: Koharu notices that one too many coincidences have occurred with Mater, as her presence ended up leading the Player and Koharu to an important quest item on several occasions. The reason behind this has not yet been explained.
  • Badass Adorable: As a solo player she's exceptionally strong.
  • Because You Were Nice to Me: Although she usually declines friend requests, she makes an exception for Koharu due to how nice she's been and so that the older girl no longer has to worry if she's still alive.
  • Big Damn Heroes: She shows up in the Floor 11 Dungeon to help the heroes fight off monsters and save the trapped players.
  • Big Little Sister: She's the younger sister to Lueur. While she is physically smaller, she's far more composed and mature than him.
  • Birds of a Feather: She and Silica finally meet on Floor 11, where Silica is delighted to find another girl her age. While Mater declines in a friend request, she is happy to help Silica out.
  • Creepy Child: Has a very odd way of speaking, refuses protection and money, tends to hang out in dangerous places like dungeons, and can quickly appear and disappear from the scene.
  • Creepy Monotone: Speaks in a very flat emotionless tone.
  • Defrosting the Ice Queen: After everything Koharu has done for Mater, such as looking out for her, protecting her, and worrying for her safety. Mater finally opens up on Floor 20 and admits she has grown fond of Koharu and is glad to have met her. Amusingly, this sentiment isn't quite returned to the Player, as Mater pauses before the short response.
  • Everyone's Baby Sister: Koharu is particularly attached to her and thinks of Mater like a little sister. She's also the real little sister to Lueur.
  • Freudian Excuse: Silica at least thinks her cold, unsociable behavior is a result of growing up with Lueur.
  • Hidden Depths: Extremely knowledgeable about hidden passage ways.
  • I Work Alone: Emphasizes that she's a solo player who operates better on her own.
  • Invisibility Cloak: The Character Quest for Floor 8 has her appear in the boss room after the Player and Koharu defeat the respawned boss. She then runs off down a corridor where Koharu is shocked to see her fade away, to which the Player reasons she must have been using special equipment.
  • Just a Kid: She hates being treated this way, insisting she can take care of herself despite the concerns of other players.
  • Knife Nut: She is a dagger user.
  • Misunderstood Loner with a Heart of Gold: She insists on being a solo player and doesn't add anyone to her friends list, but her heart is in the right place and she will help others in need.
  • Mysterious Past: Since Mater is an original character to the game, along with the fact she shares very little personal information about herself, her character is heavily clouded in mystery. On Floor 11 we finally find out she's Lueur's little sister and she doesn't like him.
  • No Social Skills: She's very upfront and unconventional with the way she speaks and has been known to sneak up on people. The Player and Koharu need to explain her quirks to those unfamiliar with her.
  • Perpetual Frowner: Almost always carries a frown as part of her default expression. When she finally does smile it's a very sweet sight.
  • Pint-Sized Powerhouse: She's a very strong solo player who's able to take on boss monsters on her own.
  • Sibling Rivalry: One-sided but she really dislikes her brother Lueur and would rather people think they weren't related.
  • The Stoic: Always very serious and rarely shows emotion.
  • Stealth Expert: She can sneak up on people or away with little difficulty. In one instance she may have even outright faded away in plain sight which may or may not have been due to special equipment.
  • Token Mini-Moe: She's noticeably younger than most of the cast, being around Silica's age.

A female player of DKB who specializes in being a tank. Quickly becomes an ally of the Player and Koharu.
  • Ascended Extra: She actually does appear in the light novels but as a very minor background character. Integral Factor greatly expands her role to that of a reoccurring supporting character.
  • The Big Gal: Specializes in being a tank class and takes the brunt of the damage.
  • Big Sister Instinct: She has instinctively protected two young girls from harm, Mater and Silica, on different occasions.
  • Carry a Big Stick: She wields a mace in combat.
  • Cool Helmet: She dons a helm for added protection and whenever she wants to appear intimidating. It was initially hard to tell that she was a girl for this reason.
  • Establishing Character Moment: She is introduced protecting Mater from monsters in the catacomb dungeon.
  • Friendly Enemies: Strictly speaking her guild isn't supposed to associate with rival guilds or solo players. She is happy to be an ally of the Player and Koharu, but is forced to keep this a secret from her own guild.
  • The Mole: She is very nearly forced to become one as she contemplates using her position in the DKB to help the Player, Koharu, and other smaller guilds to purchase an auctioned item and cease the fighting between ALS and DKB. fortunately Asuna steps in first.
  • Offical Couple: She falls in love with a player named Shivata. On Floor 20, Shivata and Liten both get trapped in a dungeon, leading a distraught Liten to come to the heroes to assist in rescuing him.
  • Samus Is a Girl: Wears a helm and is a pure tank class. Who would have thought she was a cute looking girl?

A self proclaimed bard who follows the Player and Koharu around after Floor 7, out of a desire to witness their heroics and pass on the stories for all to hear.
  • Annoying Younger Sibling: Inverted. He's the annoying big brother to Mater, who actually acts maturer than him and does not like him in the slightest.
  • Badass Pacifist: Lueur himself isn't a fighter, but he still manages to save Silica from being harassed by a toxic female player. He finally steps into a fighting role in the Floor 11 dungeon when the heroes are short on manpower to fend off monsters and save a trapped player.
  • The Bard: He desires to be one so he can sing tales of the heroes of Aincrad.
  • Butt-Monkey: No one holds back on rubbing it in on how weird of a person he is.
  • Cloud Cuckoo Lander: Speaks in riddles and poetic verses while often launching into odd praises by saying what great stories would come from a particular person. This ends up weirding out a lot of the people he talks to.
  • Dude, Where's My Respect?: He has done a lot to help the heroes but always gets brushed off as being annoying.
  • Expy: Visually he heavily resembles Sora. He even has a little sister with a Creepy Monotone who is an exceptionally strong player.
  • Hero-Worshipper: Idolizes the Player, Koharu, and other Assault Team members. He even helps them progress their journeys so that he can witness more heroics.
  • The Friend Nobody Likes: He seems to be a good person overall, but pretty much anyone he accompanies is weirded out by him and would be happy to get rid of him. Even the usual timid and polite Silica loses her patience and gets fed up with his antiques.
  • It Amused Me: Why he tries to be a bard and follow the strongest players of the Assault Team around.
  • Let's Get Dangerous!: In the Floor 11 King's Tomb Dungeon, even though he states he usually doesn't play the hero, he finally decides to step up and help seeing the heroes were in a pickle.
  • Red-Headed Hero: Seems to be good, while his defining feature are his red locks.
  • The Roleplayer: Takes role-playing a bard very seriously, to the point where it weirds others out.
  • Royal Rapier: He uses a rapier in combat.
  • What the Hell, Hero?: His constant nonchalant behavior and casual approach to everything often has others getting annoyed by him. Silica is appalled by his attitude towards his sister Mater, while Klein and Leafa cannot believe he wasn't even slightly upset by the tragic "Little Mermaid" story adaptation on Floor 12.

A forest Elf Commander and an NPC AI. Initially enemies to Kizmel and the humans he later becomes a begrudging ally.
  • Badass in Charge: A Forest Elf Commander who is tough in battle.
  • Because You Were Nice to Me: He starts off as enemies to the Player, Koharu, and Kizmel, but after they help him with no ulterior motives, he placed his full trust in them and becomes their ally.
  • Enemy Mine: Initially he worked with the Player and Koharu without Kizmel's knowledge or consent. They later end all animosity between each other and he becomes a full ally.
  • Good All Along: Played with. The point of the Elf War Campaign was that there was never a true 'good or evil' side between the Dark and Forest elves, with players needing to pick a side for themselves. However Wendelin end up opposing the humans due to Koharu choosing to ally with Kizmel. But even afterwards, it's gradually shown that Wendelin isn't such a bad person himself being very noble and can be reasoned with. He ends up fully allying with the heroes after having his eyes opened to the truth.
  • Heel Realization: Speaking with the Queen of Lyusula finally opened his eyes to the truth. Unlocking the Sacred Tree wouldn't result in the liberation of magic, but would send Aincrad plummeting out of the sky and kill everyone on it.
  • Named by the Adaptation: He isn't given a name in Progressive.
  • The Rival: Initially presented as one to Kizmel, but eventually they see past their differences, especially when Wendelin is made to see the truth and witnesses the corruption among the Forest Elves.
  • Sympathy for the Devil: He was never evil per say, however both Koharu and Kizmel pity him even before turning a truce.
  • Villain Respect: Was never really a villain per say, but he still opposed the Player and Koharu. He really came to respect the Player for being capable of holding their own against him in battle.

A fan created character from a competition. Sanya is a Russian girl with silvery hair and is in possession of a demonic blade that allows her to absorb HP of monsters she slays. Her renowned power and mysteriousness have earned her a reputation among players and she has come to be known as the "Silver Devil".
  • Anime Accent Absence: Sanya's voiced dialogue shows she has a perfect Japanese accent, despite being revealed to be natively Russian. That being said there are certain words Japanese words she struggles to pronounce.
  • Badass in Distress: On Floor 20, she and Koharu both get ambushed by orange players with weapons capable of paralysis, where the two girls get held hostage while the Player is forced to stand there and be a punching bag for the evil players' amusement.
  • Badass Long Coat: Wears a red one and is one of the strongest players in Aincrad.
  • Battle Aura: Not her, rather her sword which is enshrouded with a red aura when it absorbs enemy HP.
  • Big Sister Instinct: On Floor 14, she at first abruptly refuses to let Mater wander about on the frontlines and forcibly drags get off to Sasha's orphanage.
  • Blush Sticker: She gets these when she becomes embarrassed over being unable to pronounce a word correctly, being caught Not So Stoic, and Saying Too Much.
  • Butt-Monkey: Floor 20 has Sanya constantly receiving the short end of the stick. First she struggles to pronounces a Japanese word and when she finally does she gets caught being Not So Stoic. Then a quest forces her to be the one to reenact an action manga character, giving her sword skill flashy effects and her body involuntary dramatic posing, against her will. Poor Sanya blushes profusely.
  • Canon Foreigner: More so than even other game original characters, as she is entirely a fan creation that was submitted to a competition.
  • Cool Big Sis: All of the kids in Sasha's orphanage look up to her as a big sister, calling her Sanya-oneechan. She's extremely protective over them and happily plays with them.
  • The Cynic: Sanya is very untrusting of others and it takes her a quite a while to agree to work with the Player and Koharu. She even states she would prefer them not to blab about meeting her, yet adds she understood this was a big request and held no expectations they would keep their word.
  • Defrosting the Ice Queen: She maintains a cold and hostile disposition on the surface from the moment she's introduced. It takes a very long time for her to gain the trust of others and mellow out, and even then chooses to project an icy air.
  • Early-Bird Cameo: Sanya was first introduced in a limited time preview event before she appears proper on Floor 14. Though for the sake of players who missed the event, she is still given a reintroduction.
  • Friend to All Children: It's revealed she assists Sasha in looking after the children, providing them with funding. All the kids there treat her like a big sister.
  • Good Is Not Nice: She's quite cold and rude, due to being disillusioned from others pestering about her weapon then spreading rumors about her. However she's ultimately still a good person at heart, but even then prefers others to think she's hostile and icy as part of an act she puts up.
  • Gratuitous Russian: She's revealed to be Russian much like Rain and Seven, and had studied abroad in Japan when she got stuck in SAO. She occasionally drops Russian words mid dialogue.
  • I Call It "Vera": She named her demonic sword, Fisternis.
  • Hero with Bad Publicity: Despite her being Famed In-Story, upon meeting the Assault Team she is met with hostility and false accusations from jealous players.
  • Hidden Heart of Gold: Sanya's most altruistic side is shown when it's revealed she has helped Sasha out with her household looking after the kids trapped in SAO, help in bringing children to said home, and even using her own player money to fund the housing.
  • In-Series Nickname: Klein starts calling her "Nya" after the Floor 14 Boss Fight. She let's anyone but Klein refer to her by that name.
  • I Work Alone: Is very adamant about being a solo player and it takes a lot for her to warm up and change her mind.
  • Life Drinker: Possesses a sword that absorbs the HP of mobs she destroys.
  • Mega Twin Tails: Two giant ones that go to her waist.
  • Misunderstood Loner with a Heart of Gold: She's even more of a cold solo player than Kirito, pushing people away from her with her sharp tongue. But underneath that hostile exterior is a kind heart who has helped others from behind the scenes, such as donating half her funds to the orphanage.
  • Mystical White Hair: Silver hair to be exact, but it certainly fits her mysteriousness.
  • Not So Different: When Sanya gets ostracized when she tries to join the Assault Team and gets accused of being a player-killer who stole her Legendary Weapon from a dead player, Koharu notices the similarities to how Kirito got branded a Beater.
  • Perpetual Frowner: She's usually seen with a serious frown on her face, with the occasional smile slipping through when she's amused or when her soft side slips out.
  • Pint-Sized Powerhouse: She's a girl of average height, but with a fearsome reputation as a solo player who mows down mobs.
  • Red Baron: Her silver hair and her fearsome life draining blade has earned her the nickname the "Silver Devil" among other players. Though Sanya herself doesn't like being referred to by this name.
  • Red Is Heroic: She wears a red Badass Long Coat.
  • The Reveal: She is revealed to be a native to Russia and studied abroad in Japan where she learnt Japanese, explaining why her dialogue is overly fancy. Her real name is also implied to be Alexandra.
  • Urban Legend: She ended up becoming one in Aincrad due to her Legendary Weapon and her antisocial attitude.


Introduced in Memory Defrag


Sphica (ALO)

A reoccurring character in Memory Defrag. Sphica is a young girl at the age of 11 and ALO player who encounters Kirito and Asuna. She's is exceptionally talented at hide-and-seek and revealed to be an Ill Girl in real life. Although initially scared of other children, she later becomes good friends with Seven and Yui.
  • Ambiguous Disorder: She's outright stated to suffer from a mental illness that is so severe it affects her in real life. However the condition itself is never directly named, with it only being described as some kind of communication disorder that made it hard for her to speak to others.
  • Big Brother Worship: Big brother and big sister, for Kirito and Asuna, who Sphica greatly admires and looks up to.
  • Casting a Shadow: Has darkness-based element attacks.
  • Cheerful Child: She's best known to be immensely happy and outgoing. Things aren't like this in real life where she's much sadder, but in VR she's able to be who she really is.
  • Children Are Innocent: A young carefree, fun and games, sweet little girl. She's extremely naive about things, not knowing the difference between NPCs and real people.
  • Constantly Curious: She asks endless questions much like Yui does.
  • Dark and Troubled Past: She acquired a mental illness which made it difficult for her to communicate and led her to be constantly bullied. It got to the point where she stopped going to school and was administered into hospital as she seemed to stop talking altogether. In the present day seeing scenes of bullying triggers traumatic flashbacks for her.
  • Dark Is Not Evil: As an Imp, Sphica has a darkness based element, but is completely innocent and the opposite of evil.
  • Earn Your Happy Ending: Thanks to the efforts of Kirito and Asuna playing with her in VR and keeping her happy, she regained her ability to speak in the real world and is recovered enough that she is discharged from hospital. Her parents were overjoyed by this and even wrote Kirito and Asuna a letter to thank them.
  • Expy: She's almost like a younger Yuuki, given she's an Ill Girl who plays ALO as an Imp and is associated with the color purple. However unlike Yuuki she has a much more happy ending, with her time in VR helping her recover.
  • Ill Girl: She's hospitalized in real life due to a mental illness that gives her communication difficulties. She uses a Medicuboid just like Yuuki as a form of experimental therapy.
  • In the Hood: Always seen wearing one.
  • Royal Rapier: She is a rapier wielder.
  • Samus Is a Girl: It's actually quite hard to tell she's a girl based on physical appearance.
  • Saying Too Much: The truth about Sphica slips out when she mentions being in a "Medicuboid", tipping off Kirito and Asuna that she's a hospital resident with a serious illness. Though unlike most examples of this trope she never comes to realize this as she's too young to know better.
  • Shrinking Violet: Has an innate fear of kids her age. Though Kirito, Asuna, and Seven help her get over it.
  • Stealth Expert: Sphica is exceptionally talented at playing hide-and-seek, being able to remain undetected for ages and can find others instantly.
  • Tag Along Kid: She's one of the most frequent appearing kids in Memory Defrag and sometimes accompanies Kirito and Asuna in their adventures.
  • Those Two Girls: With Feliz, who is her best friend in ALO. The two of them are almost always seen together.
  • Token Mini-Moe: Still a child at the age of 11 but frequently plays with Kirito and Asuna.
  • Troubling Unchildlike Behavior: The first thing that tips Kirito off that there's something unusual about her is that she logs into ALO past 11 pm, where he finds it odd that her parents haven't tried to enforce her bed time. It's because she's hospitalized.
  • Verbal Tic: Her audible dialogue reveals she ends all of her sentences with "desu".


Arianrhood (SAO, ALO)

A reoccurring character, currently an NPC. Arianrhood is the commander of the new Knights of the Blood Oath in Alfheim Online and an ally of Kirito and Asuna in ALO.
  • The Apprentice: Was personally trained by Heathcliff when the latter saw her potential and that she merely needed motivation.
  • Badass in Charge: She's the commander of the new Knights of the Blood Oath and is not to be messed with in a fight.
  • Badass Teacher: She's revealed to be a teacher in real life and takes up a position in Asuna's virtual school in ALO.
  • Brawn Hilda: She's a very large woman and serves as a tank.
  • Contralto of Danger: Her in-game voice is very deep sounding which suits her being a Lady of War.
  • Distaff Counterpart: She's quite literally made out to be a female Heathcliff in design, personality, and position.
  • Good Counterpart: What Heathcliff would have been if he was truly good and not merely a Bitch in Sheep's Clothing.
  • Identical Stranger: Her avatar is modeled after Heathcliff with virtually everything being identical aside from her gender. Kirito mistakenly thought Heathcliff had come back from the dead the first time he saw her.
  • Lady of War: The commander of the new Knights of the Blood Oath and nearly as formidable as Heathcliff himself.
  • Light 'em Up: Has light-based attacks much like Heathcliff does.
  • Nice Girl: Happily agrees to have the New KoBs help bodyguard Seven's caroling troupe from monster spawns and doesn't ask for a single Yrd in return. She insists that it was their duty to protect the innocent and the only payment they needed was to hear the carolers singing for free.
  • Red Is Heroic: Wears the red plated armor of the KoB much like Heathcliff, but unlike him she's a genuine hero.
  • Remember the New Guy?: A cross media example. Asuna served with her back in SAO, but we never heard of her until Memory Defrag.
  • Took a Level in Badass: She's personally mentored by Heathcliff and goes from a Dirty Coward to one of the strongest tanks in the game.
  • UltimateGamer386: When she first entered SAO she was Famed In-Story as being the strongest female player in every MMORPG as a tank, though her fans abruptly turn on her when she becomes paralyzed with fear during her fight and runs away.
  • You Are in Command Now: With Heathcliff gone she's the new commander of the KoB in ALO.


Rechka (SAO, ALO)

A playable character. Rechka is an SAO survivor as well as a Supreme Chef who mastered cooking in SAO.
  • Birds of a Feather: Instantly gets along with Asuna due to both of them being passionate about cooking. She's able to see straight into Asuna's heart and trusts her enough to disclose her personal life.
  • Carry a Big Stick: She is a mace user.
  • Chef of Iron: A Supreme Chef who's also capable of fighting on her own.
  • Continuity Snarl: The mobile game reveals Rechka was the one who taught Asuna how to make soy sauce, even though in canon Asuna stated she found it out herself through experimentation.
  • Friend to All Children: As shown in her story, see Nice Girl entry. She also loves the smiles on children's face the most.
  • Improbable Weapon User: Her third Sword Skill has her taking out a ladle and pot of soup, then throwing said soup at enemies.
  • Intergenerational Friendship: Is good friends with Asuna despite their age gap.
  • Light 'em Up: Her attacks do light based damage, even though she's a Salamander that is typically associated with fire.
  • The Mentor: She was retroactively the one who trained Asuna to cook in VR. Remember how Asuna learned to make soy sauce in SAO? Rechka was the one who taught her how!
  • Nice Girl: Extremely kind-hearted and regularly does selfless things.
    • She's happy to bring guests into her shop to eat for free.
    • She was unhesitant to help Sasha track down a missing child, and stayed in the church to cook for the kids.
  • So Proud of You: After she joins ALO and meets up with Asuna, she tells her how proud she is of how far Asuna has come.
  • Rapunzel Hair: Has a ponytail that goes to her waist.
  • Remember the New Guy?: A cross media example. Asuna and Kirito already knew her back in SAO by the time she shows up in ALO. Later on the story of how they actually met in SAO is visited.
  • Supreme Chef: Her cooking skills are unparalleled, where Asuna looks up to her. She even runs a real life Italian restaurant.
  • Widow Woman: Her husband was a graphic designer for SAO, but tragically he lost his life before the launch of the game. The reason she signed on to play SAO was so she could see what he had been working on.


Sima (SAO)

A playable character. Sima is an SAO player and an angler who Kirito and Asuna encounter on the 22nd Floor while fishing with Nishida.
  • Bare Your Midriff: Wears something akin to Chain Mail Bikini.
  • Brainy Brunette: A college student in real life who has brown hair.
  • Color Motif: Favors the color blue in the outfits she wears.
  • Crazy-Prepared: As a solo player, her equipment is chock full of essentials to survive in any terrain for days.
  • Hero of Another Story: She's had plenty of her own adventures away from Kirito and Asuna. She discovered that minerals can be attained near river sides, before informing Argo who spread said information. She also saved Silica from a creepy male player in a cavern.
  • I Just Want to Be Special: She's obsessed with becoming a master angler due to being the daughter of an angler in real life. She wants to prove herself in the virtual world so that when she does escape back to the real world, her father will consider her worthy.
  • Jerk with a Heart of Gold: Downplayed. Kirito sees through her act and correctly deduces she was using him and Asuna so she could have the prized Guardian of the Lake for herself. While this much is true, ambition aside she's actually a really decent person and even forfeits her chance to catch it believing Nishida had a stronger claim to it.
  • Knife Nut: She is a dagger user.
  • Making a Splash: As an angler she has a water-based element with water-based Sword Skills.
  • Pet the Dog:
    • Despite being obsessed with trying to catch the Guardian of the Lake, she comes to see she was being too selfish and decides to leave it for Nishida and his friends to catch since they had been targeting it for ages.
    • She helps Silica out in a cavern after a creepy male player won't leave alone.


Waals (GGO)

A playable character. Dyne's cousin who Sinon is tasked with teaching in the ways of GGO.
  • The Apprentice: Is mentored by Sinon. She speaks very fondly of her teacher. Sinon remarks it was nice having an apprentice who was a girl and younger than her (unlike Kirito).
  • Arc Symbol: Heavily associated with nuts and bolts.
  • Awesome, but Impractical: Her rocket launcher, which can inflict massive amounts of damage at the cost of mobility. The problem is especially glaring considering she is an AGI build that specializes in mobility. Sinon helps her to get around this by teaching her a skill to move using the recoil of the blast.
  • Badass Bookworm: An honor student in real life. She also extensively studied the game before becoming a player.
  • Bare Your Midriff: Her GGO avatar's outfit is comprised of this.
  • BFG: The largest rocket launcher that can be acquired in the game. It's so heavy that it weighs down her mobility.
  • The Big Gal: Favored the raw power of her rocket launcher over the mobility of lighter weapons.
  • Escapism: The reason why she started playing GGO was so she could be someone different to who she was in real life.
  • G.I.F.T.: Played with. She's not a troll, but she's intentionally grafted herself an extremely different personality online, being difficult, impulsive, and doesn't listen to instructions.
  • Goggles Do Nothing: Has a pair perched on her head which she never seems to use.
  • Informed Attribute: Cutscenes emphasize her Weapon of Choice is a rocket launcher, but in gameplay she uses an automatic rifle, while none of her sword skills include the rocket launcher.
  • Meaningful Name: Appears to be named after the physicist Van der Waals.
  • Mega Twin Tails: Has ones that are Rapunzel length.
  • Not So Stoic: She drops her eccentric manner when Dyne is gossiping about her in real life to Sinon, proceeding to sucker punch Dyne for blabbing. She also inadvertently reveals what her real voice sounds like.
  • Red Eyes, Take Warning: Her avatar naturally has red eyes, and after training with Sinon she's become very dangerous with her rocket launcher.
  • The Quiet One: Will go for extended periods of silence even when spoken directly to.
  • Small Girl, Big Gun: Even more apparent than Sinon. Her rocket launcher is the largest one available in the game and her avatar is that of a tiny girl.
  • Suddenly SHOUTING!: She finally loses her cool when Dyne blabs about how she is in the real world to Sinon, leading Sinon to amusingly learn what her real voice sounds like.
  • There Is No Kill Like Overkill: Shooting at enemies mundanely isn't good enough for her, she has to blow them to smithereens.
  • Unskilled, but Strong: Hefts around a rocket launcher that she can solo monsters with, but she's doesn't know the first thing about PvP or the importance of mobility. Lugging around a rocket launcher doesn't work well for an AGI build avatar that are designed to be mobile rather than carrying heavy equipment.
  • Visible Silence: Her dialogue is frequently comprised of "..."


Seiko / Makoto (ALO, OS)

Voiced by: Akane Fujita
A playable character and the Arc Hero / villain of the "Helheim Invasion" story event and later a very prominent reoccurring character. Seiko is a Childhood Friend of Kazuto and Suguha, having reunited with them as an adult where she's now a police officer. She's persuaded to join her old friends in VR, so she makes an account in Alfheim Online under the name Makoto. However, rather than the usual selection of fairy races, she's dragged to Helheim and made into a demon.
  • The Ace: She was a star pupil of the dojo that Suguha and Kazuto went to as kids.
  • Action Girl: In both real life where she's an expert kendo practitioner and in VR where she's a contender for World's Best Warrior of ALO alongside Kirito.
  • Affectionate Nickname: In real life, Suguha and Kazuto call her "Sei".
  • All Deaths Are Final: Played with. While demon kills are still restricted to being in-game, they are far more consequential than usual. Any player who is killed will have their account suspended for several days and be unable to login, in addition fairies won't stay around as Remain Lights and will die immediately once their HP hits zero.
  • Always Someone Better: On the giving end to Kirito. She appears to be the one character who has almost always consistently managed to come out on top when the two of them compete, with Kirito thus far having one victory and even then it was due to a well planned ambush rather than directly comparing skill.
  • Anti-Villain:
    • Quite literally forced to be a demon and attacking the fairy nations against her will.
    • Even in later stories, while she's still in opposition to the faries of Alfheim, she's a Friendly Enemy and an ally when the time calls.
  • Arc Hero: Of the "Helheim Invasion" story event. Asuna even remarks that "Kirito the hero" had his usual spotlight stolen as it was Makoto who saved the day with Kirito's assistance, while Kirito adds on that he was a "major side character instead of the main character" this time round.
  • Asskicking Equals Authority: She challenges Hel the ruler of Helheim and she wins! This makes her the new ruler of Helheim who commands the demon army as their queen.
  • Audience Surrogate: She asks a lot of questions due to being a complete VR newbie. It also helps the audience learn about Helheim.
  • Badass Cape: Has a long flowing one as Makoto.
  • Badass in Charge: Possibly the most powerful player in ALO next to Kirito, and she leads the demon army of Helheim first as a general and later as queen.
  • Bare Your Midriff: As Makoto, her outfit is very Stripperiffic and midriff baring.
  • Brains and Brawn: The brawn to Thokk's brains, being the athletic kendo champion and later World's Best Warrior to Thokk's genius hacker.
  • Broken Pedestal: She joined Alfheim Online to be a hero and fight for justice, but instead became a demon and must kill fairies against her will.
  • The Bus Came Back: After an absence, she returns for the OS revival and the Valentine events.
  • Captain Obvious Reveal: In-Universe. Figuring out Makoto's identity for someone with the deductive prowess of Kirito was child's play given how many clues she had left, see Saying Too Much for more details.
  • Casting a Shadow: Has a darkness-based element and utilizes darkness attacks.
  • Childhood Friends: Has been friends with Suguha and Kazuto since they were kids.
  • Cool Big Sis:
    • Ends up becoming one to her child demon NPC companion, Kobold, giving her words of encouragement and protecting her on several occasions.
    • Also develops into one for Thokk/Haru, constantly looking out for the girl and being the only one the young NEET considers a friend.
    • She is even one to Warla in "Nibelungeon Purgatory", caring for the little girl and helping to plait up her messy hair to make her look cuter.
  • Dark Is Not Evil: She has darkness-based attacks who doesn't wish to harm others, but is unwilling forced to invade the fairy realm. At least at first...
  • Enemy Mine:
    • She ceases the Helheim Invasion and joins forces with Kirito to take down Thokk to stop her rampage.
    • In "Angels vs Demons", Makoto and Thokk decide to join the 'Angels' side and teams up with Asuna, despite the two of them being on opposing sides in any other circumstance.
  • Establishing Character Moment: We're first introduced to her stopping a thief and bringing him into custody.
  • Evil Albino: Downplayed that she isn't actually evil, but she does play as a demon who's meant to be evil.
  • Fallen Hero: Albeit not by choice. In the real world she's a police officer and a A Hero to His Hometown while in ALO she was forcibly made into a villainous demon who invades the fairy realm.
  • Famed In-Story: When Seiko tries out OS, she quickly dominates the game, beating An Incarnation of Radius and becomes a well known celebrity with large masses showing up to cheer her on.
  • Familiar: During gameplay, Makoto is able to summon Floor Bosses from SAO to attack her enemies. Storywise, it turns out her demon companions, Skull and Grimm are the SAO Floor Bosses (the Skull Reaper and Gleam Eyes to be precies) that were killed and sent to Helheim, before they took up the form of humanoid demons.
  • Friendly Enemies:
    • After she's exposed by Kirito and Leafa, she comes clean about what happened, but she still continues on with the demon invasion, with both her and Kirito enjoying themselves as they do battle.
    • In the Halloween event she also warns Kirito that Thokk is indeed behind the demon attacks, but also makes it clear she has no intention of stopping them and will join them in fighting the fairies, with she and Kirito looking forward to crossing blades again. Kirito even invites her and Thokk to the second Halloween party.
    • Eventually it gets to the point where Makoto can casually come and go for friendly visits to Alfheim, even though both sides know they'll be fighting in another demon invasion at some point in the future.
  • Friend on the Force: She works as a police officer in real life.
  • Frontline General: One of the commanders of Helheim's demon army. She ends up being promoted to Royals Who Actually Do Something after she challenges Hel for the throne of Helheim and gets made into the new Demon Queen.
  • G.I.F.T.: Eventually adopts this mindset to deal with her guilt of killing other players. She reasons that games were separate from real life and it was okay to be someone else, someone evil and villainous.
  • Going Native: At first she was horrified and repulsed at being a demon where she was forced to kill fairies, but over time she grew fond of her demon companions and eventually was willing to fight on her own. By the second arc she's fully embraced her role as an evil demon warlord, giving Rousing Speechs of spilling fairy blood in the war, having accepted the ways of the G.I.F.T. where she can act like a villain in-game. She even make it a point to defeat Hel and crown herself ruler of Helheim.
  • Good Wings, Evil Wings: As Makoto, she possesses demonic bat wings in contrast to the colorful transluscent fairy wings that most players have.
  • A Hero to His Hometown: Her Establishing Character Moment has her stopping a thief and bringing him into custody, to which all of the towns people cheer for her.
  • Heel–Face Turn: She finally joins forces with Kirito against Thokk when they out her real identity. Makoto sees it as another justice in helping a troubled little girl in real life.
  • Hopeless with Tech: Due to growing up with a traditionalist father who dislikes modern technology, Seiko lacks even the most fundamental knowledge about gaming or the internet. Thokk has to teach her everything from scratch.
  • I Know Mortal Kombat: Inverted. She's a kendo practitioner who Leafa looked up to in their younger years, and she took all of that real world skill into ALO where she's a devastating force to be reckoned with, able to take on ALO's strongest players like Strea and Rain.
  • It Began with a Twist of Fate
  • Million-to-One Chance: Makoto ends up as one of the rare instances where her ALO account is selected to be taken to Helheim and made into a demon.
  • Mama Bear:
    • Towards Kobol, the youngest of the demons. She is infatuated with how the little girl looks up to her and is extremely protective towards Kobol.
    • She later shows a Big Sister Instinct towards Thokk, refusing to leave her to throw a tantrum like Kirito suggested and wanted to help her real life situation out despite the little girl's strong resistance. She even starts acting like a mom towards Thokk, berating her for staying up late, to which Thokk sarcastically calls her "mom".
  • Nice Hat: Makoto wears a beret like hat as part of her demon attire.
  • Purple Is Powerful: As Makoto her attire and her darkness-based are purple in color.
  • Real Name as an Alias: "Makoto" is her gamer name, which is an alternate reading of the first word of her real name "Seiko".
  • Red Eyes, Take Warning: Her eyes in real life are brown but have a red tinge, while in VR as Makoto they are straight up red.
  • Saying Too Much: She drops a number of clues to Kirito and Leafa that gives away she's Seiko. It became apparent she was a kendo practitioner, she revealed herself as a VRMMO newbie despite being so skilled with the blade, she named her OSS after a Shinsengumi naming convention (which Seiko is fond of), and finally she named her attack after her gamer name "Makoto" which Kirito immediately recognized as an alternate reading of her real name.
  • Sinister Scimitar: As Makoto, she wields a crude curved and twisted blade.
  • So Proud of You: She can't help but feel proud of Kirito for defeating her, as the boy was her kendo pupil.
  • Story-Breaker Power: Due to her being a real world kendo skills combined with the magic of ALO, she's impossibly strong and able to make short work of practically every player she comes across, including the creation of an extremely powerful OSS. Some of the strongest players in the game like Strea, Agil, Rain, and Leafa were all hit by The Worf Effect.
  • Strong and Skilled:
    • While she started off as Unskilled, but Strong due to be a complete newbie to VR, her real life mastery of kendo gave her a huge edge. Then coupled with the training she received from Thokk, she quickly ascended to become the strongest player in ALO, only rivaled by Kirito.
    • Played even more straight when she tries out OS, where she moves with her real life body that is incredibly athletic, leading her to dominate the game.
  • Thinking Up Portals: She like all demons have the ability to create a void portal which they can use to travel to locations instantly.
  • Those Two Girls: She and Thokk are virtually inseparable and almost always seen together.
  • Time Stands Still: Makoto was the first to introduce the "Acceleration" ability and the only enemy NPC who possesses it. She is able to slow down time, making it very difficult to counter or dodge her attacks. She is the first character introduced with this ability, before Summonable 6 Star characters with this skill are introduced shortly afterwards.
  • What Have I Done:
    • Every time she joins the demons in attacking one of the fairy nations it leaves her wrought with guilt over the innocent fairies she slaughtered, but she has no control over her actions whatsoever.
    • After she embraces her role as a demon general, she had this reaction again when she learns she had been fighting her real life friends Suguha and Kazuto, and ended up striking down Suguha who had taken the blow in her brother's place. This in turn clues Kirito in that Makoto is actually Seiko.
  • Winged Humanoid: In contrast to the standard fairy wings, Makoto's demon wings seem to be a permanent part of her appearance.
  • Woobie, Destroyer of Worlds: Quite literally. She is fully opposed to the idea of invading the surface world and killing the fairy players there, but she has no choice in the matter. Even when she refuses to fight, her body acts on its own to kill the fairies.
  • The Worf Effect: On the giving end. She takes out some of SAO's heavy hitters like the Gnomes (Strea and Agil), Arianrhood, and even cuts through Rain's legendary "Thousand Rain" OSS. Only Kirito is able to take her on and survive, and he had to have seen her OSS first to learn to counter it.
  • World's Best Warrior: Given that she managed to beat several contenders and very nearly beats Kirito, she may very well may be the new holder of this title for ALO.
  • Worthy Opponent: To Kirito. After she trounces the majority of ALO's strongest players, Kirito is the only one who manages to fight against her evenly and stands a chance of winning, as he manages to counter her previously unbeatable OSS. They never get to finish their fight due to Thokk interfering.


Haru Kiyono / Thokk / Hokkai Haruru (ALO, OS)

Voiced by: Yukari Tamura

A playable character and the true Big Bad of Helheim Invasion. She posed as Makoto's Navigation Gremlin, but is revealed to be the mastermind behind the entire event.

  • Ambiguous Situation: Whether or not Thokk is actually an NPC with an advanced AI, or someone pretending to be that. There are numerous clues dropped that suggest the latter, such as her speaking with an accent, being able to hold a very sophisticated conversation which includes real life subjects, being able to use a player main menu, giving orders to the NPCs, being able to fight on her own, and having a detection skill. The Reveal confirms she is indeed a human player pretending to be an NPC, being a young hacker named Haru Kiyono who created the "Halheim Invasion" so she could make a name for herself.
  • The Bad Guy Wins: One of the few instances in the franchise where the villain is victorious, with Thokk's demon army succeeding in destroying virtually every Fairy town in Alfheim. Even her own defeat when Kirito and Makoto joined forces against her was more of a tie.
  • Batman Gambit: Kirito pulls one on her in the Halloween event, holding a parade which he knew Thokk couldn't resist having her demons crashing, where it turns out to be a trap and a large army waiting to ambush them.
  • Big Bad:
    • Revealed to be the true mastermind behind "Halheim Invasion" who created the extremely difficult Player-made event of waging war on Alfheim.
    • She carries over as the one behind the demon attacks on the 2018 Halloween Party.
  • Brains and Brawn: The brains to Makoto's brawn, being the Child Prodigy hacker to her kendo champion and World's Best Warrior.
  • Child Prodigy: A junior high student who coded the entire Helheim Invasion event all by herself and is also a Playful Hacker in her past time.
  • Create Your Own Hero: Trained Makoto to be the most powerful demon in ALO, however Makoto decides to fight for the fairies after realizing who Thokk really was, leading Thokk to deal with the very demon she created.
  • Creepy High-Pitched Voice: Has a high-pitched squeaky voice as a result of being voiced by Yukari Tamura who is typecast for such characters. This is despite her being a member of the demon race and later revealed to be the Big Bad. Justified in that she's a child in real life.
  • Dark and Troubled Past: In real life she's a young girl who is the victim of severe parental neglect, which was so traumatizing it led her to develop a deep hatred for grown-ups and shut herself off from the outer world.
  • Deadpan Snarker: Muses how she could have been fooled by Makoto wanting to be a fairy rather than a demon, due to how well Makoto was at being demonic.
  • Demolitions Expert: In OS her combat style involves throwing bombs at bosses from a high location. However this makes her a Glass Cannon.
  • Didn't See That Coming: While Thokk had been on the giving end of most of the twists and surprises, she herself didn't anticipate that the player she snatched to Helheim to become a demon was the very same police officer who visited her over her parental neglect.
  • Escapism: In real life she was the victim of parental neglect and as a result became a shut-in who sealed herself off from the real world. She instead used her brilliant hacking skills to view the security camera network, as well as create the Halheim Invasion event in ALO to make her own world.
  • Evil Counterpart: A Navigation Gremlin to Yui's Navigation Pixie. She even has a larger form the size of a ten year old child much like Yui.
  • Evil Mentor: Mentors Makoto into being a fearsome demon.
  • Expy: To Seven. With The Reveal that she's a young computer savvy girl who orchestrated massive changes to Alfheim Online by being the Big Bad due to breaking from the stress of real life. She even has a giant One-Winged Angel form and had to be defeated by the heroes before she could be reasoned with and talked sense into. The similarities only increase further when Makoto serves as a Cool Big Sis figure and the two of them have a Brains and Brawn dynamic, much like Rain and Seven, with Makoto being a contender for World's Best Warrior for ALO and Thokk being a Child Prodigy when it comes to game development.
  • The Gadfly: Takes great enjoyment in poking fun at Makoto's expense, especially when she's wallowing in guilt.
  • Glass Cannon: In OS, her combat style is to throw bombs from a high location. While she can deal a lot of damage she is unable to receive any. She tries to get around this by using an oversized shield but that's not a feasible option when she's forced to fight up close.
  • Make My Monster Grow: She can take on the form of the giant known as Thokk from Norse Mythology.
  • Meaningful Name:
    • Thokk is named after the giant from Norse Mythology.
    • She named the event Halheim Invasion rather than Helheim, as her real name is Haru, effectively making Halheim "Hal's Heim".
  • Mega Twin Tails: Sport these both in-game and in real life.
  • Ms. Exposition: There to provide infodumps for Makoto to how the Helheim region of ALO works.
  • Older Than They Look: In ALO as Thokk she is about Yui's height and could be mistaken around 10. She's actually a junior high school student.
  • Pint-Sized Powerhouse: Tiny in size, either in her Gremlin form or her human sized form, but she's able to take on Lisbeth and the Sleeping Knights all by herself. And then it's revealed she has an overpowered giant form.
  • The Reveal: As foreshadowed several times, she's not an NPC but a human pretending to be one, she's actually a young girl named Haru Kiyono who is a skilled hacker who became a shut-in after becoming stressed in real life.
  • Ridiculously Human Robot: Averted. She claimed to be an advanced AI almost to the same level of sophistication as Yui and displayed a very complex thought process. At least, that's what she pretended to be. Turns out she's actually a human.
  • Saying Too Much: She accidentally let's slip that strawberries don't grow around her house, which Makoto picks up on.
  • Servile Snarker: Is quite witty towards Makoto, especially in regards to her complete lack of gaming knowledge. She's also a bit of a troll, showing amusement at Makoto's frustration in being a demon rather than a fairy.
  • Shrinking Violet: Having been The Shut-In for so long, Thokk/Haru struggles with social contact and often hides behind or clings to Makoto.
  • The Shut-In: Is one in real life, keeping herself locked up and having trouble talking to others.
  • Smart People Wear Glasses: She wears glasses in real life.
  • Story-Breaker Power: Thokk has granted herself a number of broken abilities, with the most notable once being able to turn into a giant monster. In this form she's able to lay waste to the Sleeping Knights, the guild who took down a boss monster with six players, including Yuuki.
  • Suspiciously Specific Denial: When probed Thokk insists she is an NPC with an AI and not an actual person. Makoto also notices Thokk seems to have an accent, but Thokk claims it's just her imagination.
  • Sympathy for the Devil: She stirred up a lot of trouble with her "Halheim Invasion" event that caused a lot of player deaths (resulting in account suspension for several days), but Makoto and Kirito come to pity her for her Dark and Troubled Past and helps her open her eyes when she has a Villainous Breakdown.
  • Tantrum Throwing: Essentially the entire quest event she created of Helheim's demons invading and destroying Alfheim is a child venting her frustration.
  • Those Two Girls: She and Makoto are virtually inseparable and almost always seen together.
  • Token Mini-Moe: Physically she has the age of a ten year old girl, while in real life she's a junior high school student.
  • Trademark Favorite Food: Is particularly fond of strawberries. Her personal weapon is a Simple Staff ornamented with a strawberry, her OS outfit is adorned with strawberries, while her profile's dialogue includes the line "ichigo daisuke"note 
  • Villainous Breakdown: After having her identity outed and discovering her demon apprentice Makoto is actually the police officer who often visited her, she becomes devastated and throws a child's tantrum, taking on her monster form and wanting everyone to leave her alone.
  • The Worf Effect: On the giving end. She took out Yuuki and the Sleeping Knights all on her own, highlighting just how broken her boss monster form is.

Skull, Grimm, and Kobol

Thokk's Demon NPC companions.
  • Astonishingly Appropriate Appearance: Their designs are strikingly reminiscent of past SAO bosses in humanoid form, which is because they were those SAO bosses in their past lives.
  • Co-Dragons: They're the generals of Helheim's demon army, but they take orders from Thokk.
  • Out of Focus: Skull and Grimm appear in almost every subsequent Helheim story, but Kobol has largely vanished.
  • The Reveal: It turns out they are past SAO bosses that were killed and reincarnated as humanoid demon girls in Helheim. Specifically they were the Skull Reaper, the Gleam Eyes, and the Kobold Lord. They are also able to assume their original monster forms.
  • Ridiculously Human Robot: They are all NPCs but able to hold quite a sophisticated level of conversation.
  • True Companions: Despite being demons, they all legitimately care for one another including Makoto. When Skull and Grimm see Kobol being killed both of them go on a Roaring Rampage of Revenge.

    Norse Gods 

In General

  • Depending on the Writer: Their designs vary drastically compared to their appearance in Lost Song, especially Loki.
  • Fusion Dance: To fight Fenrir, all the heroes each take a Divine Object and use them on themselves, transforming into Norse God versions of themselves.
  • No Body Left Behind: Aside from Urdr who returned to her normal state, all the other gods disappeared and became their Divine Objects upon being defeated.
  • Physical God: The literal Norse Gods that appear in Alfheim Online.


  • The Atoner: Upon returning to her senses, she repents what she has done and tries to assist.
  • Big Bad: Ultimately revealed to be this in the conclusion of the Divine Objects Arc, as she sent the heroes to collect them so that she could use them to power her and the other gods up to perform a memory defrag to purge the system of Alice and Eugeo.


The Norse Goddess of Death and ruler of Helheim.
  • Amazon Chaser: She lusts for a strong partner, of either gender.
  • Bi the Way: Hel is attracted to those who are strong, irrespective of gender, as Makoto finds out.
  • Early-Bird Cameo: She first debuted in the Ragnarok event as one of the Gods created from the Divine Objects, before she later makes a return in a more significant role in "Helheim Invasion" event.
  • Familiar: As the Norse Goddess of Death she can summon demons and undead monsters to aid her in battle.
  • Motor Mouth: After Sinon absorbs Hel's Divine Object, Hel starts manifesting near Sinon from time to time and Sinon discovers that Hel is quite a chatterbox.
  • Physical God: The literal Norse Goddess of Death.
  • Playing with Fire: If Sinon with Hel's powers is any indication, Hel can summon a fiery vortex to burn her enemies.
  • Red and Black and Evil All Over: Not evil per say, but she being the Goddess of Death who's sided with the demons, it certainly invited this imagery.
  • Stripperific: Her extremely revealing outfit leaves little to the imagination.

Hellfire Urdr / Warla

The anger contained within Urdr which split off into a separate being and rampaged in ALO. In an attempt to save her, Kirito and crew had her transferred to a new game made by Thokk, Nibelungeon Purgatory.
  • Anti-Villain: She is the fury contained within Urdr and tries to attack the heroes on sight, but they feel sorry for her and want to help her, which leads to Thokk developing a new game and importing her over where she can unleash said anger.
  • Bare-Fisted Monk: Kirito remarks that Warla is the first of their allies who is a martial artist relying completely on her fists.
  • Literal Split Personality: The anger from Urdr that split off into a separate being.

Introduced in Alicization Rising Steel

    Eydis Synthesis Ten 


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