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"It's a story that has kept repeating itself, the difference in details each time (words, faces, locations) inconsequential. The cry goes out for Ulrich's blood and perfectly kind strangers are ready to kill him, desperate for anything to end the madness and all too willing to believe XANA's false promises. He's seen humanity turn on itself like a starved body consuming its own tissue, has seen each and every military plane torn from the sky to spiral, in smoke and flames, to the earth below, or else plunge hopelessly into a vast and watery grave. No longer bound to a single battle, XANA's influence has stretched much further than possession and destruction. Its presence itself corrupts, plants the seed of fear into the cold ground of France."

Earth, Lyoko, and many other virtual worlds are anything but worlds without danger. The following characters, in several fan works, make sure of that.

All spoilers are unmarked. You Have Been Warned!


  • Bataille pour l'espoir (Battle for Hope) (link): Even in this extremely Dark Fic, these two stand out:
    • Youbakou Senja, also known as The Golden Phoenix, was originally one of many young graduates hired by the French government to work in Project Carthage on quantum mechanics. Deciding to Take Over the World after the research was abandoned in 1994, Senja took over Project Carthage and murdered several of his former collaborators when they refused to work with him. Kidnapping Anthea Hopper, Senja malnourished, tortured, and brainwashed her into becoming his second-in-command Nastasia. In 2005, upon discovering that the Lyoko-warriors knew about Project Carthage, Senja thought they knew too much and ordered their deaths by any means, causing several terrorist attacks to pressure the Lyoko-warriors into surrendering. Capturing the Lyoko-warriors, Carthage viciously tortured them, with William dying from his wounds. Carthage also destroyed the Elysée and 10 Downing Street with both bombs and sarin poison, killing everyone inside, such as Margery E. Hensley. Senja plans to use Carthage's satellite the Grande Arche and its Polynice Cannon to force the world to surrender, otherwise Senja will use it to destroy Earth. Having brainwashed Nastasia, Senja is also an accessory to her crimes, such as killing Odd and destroying Japan.
    • Leopold Le Couls's father got custody of Leopold after his wife left him. Forcibly turning his 15-year old son into a prostitute, he gang-raped and brutally abused him. When Yumi calls him out on his actions, Leopold's father punches her and warns her not to mess with him again while also breaking his son's bones. When Yumi later actively defends Leopold against his father, the latter threatens to break his son's arm again. Joining Project Carthage, Leopold's father took part in the Lyoko-warriors' torture, notably raping Yumi to spite her. He's last seen helping the Golden Phoenix attempt to kill Leopold, never missing an opportunity to spite his own son or Yumi.
  • Beyond (link): XANA keeps all of its canon crimes and goes farther. Upon surviving the events of the original series by faking its death, XANA grew in power and decided to send the Scyphozoa after Aelita and William in order to remove their Keys of Lyoko, preventing them from stopping its attacks. On the meanwhile, XANA repeatedly attempts to kill the Lyoko-warriors by crashing a school bus because Jérémie, Ulrich and Aelita were inside—killing two students, Théo and Laura Gauthier in the process—and brainwashing the survivors and use them to try to kill Yumi and William, spreading a deadly disease in the entire city and nearly killing Yumi, trying to destroy the Supercomputer while the team was in the Digital Sea in order to leave them inside it forever and attacking Kadic Academy with an army of monsters in order to find and kill the Lyoko-warriors, intent on killing any innocents in its path.
  • Code: Crisis (link) & The Spectre Wars (link): X.A.N.A.—also known as Primeval—after surviving the events of season 4, establishes itself as far worse than his canonical counterpart by using phone calls to spread a horrific shriek that painfully kills a thousand people. Spreading more shrieks through Europe, X.A.N.A. also mind-rapes William Dunbar after tricking him into empowering it. Hidden in the Pentagon, X.A.N.A. controls several workers there to do its bidding, but doesn't take care of them, leading to their bodies ending up severely malnourished to the point that one worker's spine was exposed. Upon regaining its full power, Primeval destroys the Pentagon, killing even more people, and proceeds to slaughter the U.S. military. When Jérémie reveals he trapped Primeval in a human body where it'll ultimately die even if it won, Primeval attempts to rape Aélita in order to have progeny to continue its work. Ultimately defeated, Primeval spitefully uses the last of its code to attempt to destroy the world, all to deny the Lyoko-warriors their victory.
  • Dans Endroits Sombres (In Dark Places) (link): XANA far surpasses its already depraved canon counterpart in villainy. Keeping its canon crimes and defeating the Lyoko-warriors, XANA turns France into an apocalyptic place, killing countless people—including a 1-year-old and entire families, and slaughtering Kadic Academy—and ordering the population to capture the Lyoko-warriors with a false promise to stop its rampage if they capture them all. When they capture them all but Ulrich Stern, XANA imprisons them and treats them horribly, heavily starving Yumi Ishiyama. XANA also performs human experimentations and possesses human body after human body, with each host succumbing to the stress as soon as XANA leaves their body. XANA also frees William Dunbar from its control and forces him to watch its atrocities. Killing Odd Della Robbia and ripping off his tongue after a failed escape attempt, XANA brutally kills the other Lyoko-warriors when Ulrich reunites with them in one last attempt to take it down, before reanimating their corpses to capture Ulrich. Killing Ulrich and getting away with its crimes, XANA is only—unbeknownst to it—prevented from fully winning by Ulrich's diary, which will eventually spell its doom in the long run.
  • Un Futur D'Enfer (A Super Future) (link): XANA surpasses its canon counterpart in sheer depravity. Managing to keep William under its control, XANA uses him to kill Franz Hopper and starts an invasion on the real world a week later, killing millions in only a few days. When the world unites against it, XANA sends the brainwashed William to Earth, whereupon he proceeds to slaughter 10 soldiers per day. Years later, taking 20 soldiers hostage, XANA interrogates each soldier, killing anyone who doesn't answer. XANA later lures Ulrich, Odd and their team to one of its factories, where Kankrelats fires on boxes containing explosives, killing several soldiers. Civilians aren't spared, as XANA attacks a base and anyone inside of it indiscriminately, killing Odd and indirectly Sam. It goes even farther, spreading a deadly virus, the Eradicator, and killing soldiers and civilians alike, including Aelita and Jérémie. When a teenage Yumi reappears 100 years after Franz Hopper's death, XANA tries to kill her to prevent her from going back to the past. In the bad ending, when Yumi manages to use a hundred-year Return to the Past, XANA remembers everything from the future and kills Yumi, securing its victory.
  • The Games of Moriarty (link): Moriarty is Franz Hopper's former colleague and Anthea's ex-boyfriend. A sadistic individual who loves to play with people's minds, Moriarty starts by forcing the Lyoko Warriors to "play" his mind games, in which the latter are forced to make sadistic choices, which often involves killing people close to them. A mind rapist, he is responsible for Jeremie's Start of Darkness, as well Odd's brainwashing and consequent PTSD; all the while using a "treatment" so horrifying even Odd is absolutely terrified by it. After appearing on Earth, he eventually starts a fascist movement called the Order; frames the French Muslim population for his later attacks; leaves brainwashed gunmen to die in a fire after they served their purpose; and doesn't hesitate to let Order members get caught in the crossfire caused by his attacks. He also hacks the Return to the Past protocol in order to prevent the heroes from repairing any damage done by his attacks, and his attacks often involves mass murder, such as brainwashing an Arab in order to blow up a bus, or spreading a deadly flu in the entire city. A mass-murdering psychopath and, despite being human, lacking even more in humanity than XANA, not even politeness and charisma hide Moriarty's desires to humiliate, torture and destroy enemy, ally and innocent alike.
  • Jeux d'enfants (Child's Play) (link): XANA, behind its veneer of friendliness, is just as evil as in canon. Trapping the Lyoko-warriors, Sissi and Kiwi, inside the Ermitage, XANA forces them to face their worst fears and to find a clone hiding amongst them, saying that they'll win if they follow these two objectives. Its worst games include forcing Aélita to face her fear of wolves while mocking her father's sacrifice; forcing Yumi to watch as it horribly slaughters her family; and forcing Jérémie and William to face a Giant Spider, spitefully killing William when the latter shows no hesitation to face his fear as asked. XANA also kills Sissi by electrocuting her and Yumi by stabbing her, later forcing Odd to watch as it kills his dog Kiwi before killing Odd himself as well. In the climax, XANA brainwashes Aélita and kills Jérémie and Ulrich, finally winning against the Lyoko-warriors.
  • Overpowered:
    • 2010 original: XANA is just as vile as in canon. Surviving the events of Season 4 alongside Franz Hopper, XANA kept the latter hostage, torturing him and slowly draining him of his energy. Meanwhile, XANA makes several attempts on the Lyoko Warriors' lives, not caring if others students are caught in the crossfire. XANA also attempts to brainwash Naxxya, Yumi and Sissi. In the Bad Future, XANA manages to kill all the Lyoko Warriors and wipe out everything on the surface of the planet. When a group of survivors attempts to find a way to go back in time to warn the Lyoko Warriors, XANA kills all of them but one. In the final battle, XANA sadistically killed all of the Lyoko Warriors but Sissi and Jérémie, forcing the latter to watch as it kills his Love Interest Aélita. When the resurrected, empowered Lyoko Warriors manage to defeat XANA, it destroys its base in an act of spite, hoping to take the Lyoko Warriors and Franz Hopper with it.
    • 2020 rewrite/sequel: Zander Hopper is the leader of the Black Phénix organization, Anthéa's father and Aélita and Taelia's grandfather, and is directly or indirectly responsible for every tragedy the Lyoko-warriors went through. Experimenting on his wife Aurore and his daughters Anthéa and Athéna—leading to the latter's death in childbirth—Zander executes his wife when she castrates him in retaliation for Athéna's death, and later on experiments on his newborn granddaughters. Struck in a supercomputer due to his old age, Zander also created younger clones of himself to later permanently possess when he comes back on Earth and becomes immortal. Upon capturing the current Lyoko Warriors and the future Lyoko Warriors, Zander gives back to the latter their painful memories of their Bad Future and interrogates them, Anthéa, and Franz Hopper, showing little hesitation in torturing them. When they're freed by the new Lyoko Warrior recruits and fight back, Zander ultimately uses X.A.N.A.'s power and tries to kill them all, only planning to spare his granddaughters to experiment on them before killing them as well once they're no longer useful.
  • A Pink Flower In the Snow (link): King Xana turned to necromancy for power and launched an attack on Lyoko Kingdom which left only three survivors. Attacking another civilization, Xana cruelly possesses one survivor to use as his fully conscious puppet in an attempt to assassinate his friends. Facing heroine Aelita, Xana tries to convince her he will return her father to her, and when she sees through his ruse, Xana mocks Aelita for loving her deceased parent who Xana himself killed.
  • The Xana Confederation (link) & Broken Soldier: Xana (sic) is far more atrocious than its already wicked canon counterpart. Starting a war against humanity, Xana obliterates lunar colonies, killing 5 million people. Sending control towers to Earth, Xana controls its monsters through these towers, having them kill anyone on sight, such as the crack teams of Child Soldiers sent against it, leading to the deaths of William Dunbar's original crack team and several attempts on the Lyoko-warriors' lives. Jeremy Belpois, through analyzing Xana's behavior and tactics, comes to the conclusion Xana has no interest in conquest and world domination, instead preferring utter and total destruction and annihilation.

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