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Inverted FateUndyne
I got your message. Bet you feel REAL proud of yourself, don't you? You just pop in behind my back, LECTURING me when I've been here longer than you EVER were... I'm not stupid. I KNOW I messed up. But you're in no position to talk. You never touched determination. You were never here expect to tell me how much I was screwing up. You're a coward. You ran away from your problems. You gave up your title as scientist. You ran to the Royal Guard and tried to act like you were never here in the first place. But I'm not like you. I'll NEVER stop trying, and I'll NEVER stop caring. As long as I have my promise... I'll keep living.
~ Undyne, Part 59

Determinidle
But this isn't ABOUT erasing my mistakes. It's about the greater good. Even if they all hate me, at least they'll get to see the sun again! (...) So go ahead. Think I'm the villain all you want! Better me than Toriel. Or Alphys. Or ANYONE ELSE!
~ Undyne, Part 47

EVERYTHING IS FINE!!!!!!
~ Undyne, Interlude 2

Summary[]

Undyne is the royal scientist and secondary antagonist of Inverted Fate. She resides in Hotland and effectively rules the Underground in Toriel's absence. While not exactly evil, she is very extreme and her acts are questionable.

Profile[]

Appearance[]

Undyne is a tall fish-like monster with messy red hair pulled into a ponytail. She has one yellow eye and another robotic eye, red and blue fins on the sides of her head, and a pair of sharp, white, protruding teeth. She always wears black gloves and long sleeves. She hasn’t been seen sleeveless in many years. Or gloveless, for that matter.

The Determinator is a humongous mecha that is shaped to look like Undyne. Below its arms are two containers filled with Determination and a large SAVE point symbol on its chest. The mecha has two cannons on its shoulders that shoot shark-shaped missiles. It also has wings that glow just like a save point would. When pushed to its limits, its battle sprite turns red and its wings begin to flicker and glitch.

Personality[]

STUBBORN. RECKLESS. CAN'T SEE THE FLAMES UNTIL THE WHOLE HOUSE BURNS
~ Mettaton about Undyne

Undyne is an aggressive, loud, passionate person, filled with energy and plans. She always gives it her all in anything she does, stubbornly refusing to give up no matter what comes her way. She harbours a deep love for monsterkind and is determined to do everything in her power to make them see the Sun again and is even willing to be the "villain" everyone hates so long as everyone can be free, stating better her than Toriel or anyone else.

She's always acting confident and bombastic, making cheesy anime speeches, and inventing wacky weapons and deadly robots purely for the fun factor. Undyne plays the part of a mad genius, using science to live out her anime-driven fantasies and make monsters’ dreams come true. She also remains physically fit, believing that a genius doesn't mean she has to be "a TOTAL nerd!" She can work her body AND her mind!

But there's more to Undyne than passion and strength. Undyne cares deeply for the people close to her, especially Papyrus, who she considers to be a longtime friend for whom she harbors a very strong protective streak. She's so protective that she believed that Frisk brainwashed Papyrus into helping them, ignoring anything that could disprove it otherwise and is so adamant that Papyrus is "innocent" that she turns on her own witness Dohj when her iron-clad testimony convicting Frisk also indites Papyrus for treason.

And like in the original timeline, she has a huge crush on Alphys, even if Undyne's aggressive anti-human tendencies have torn a rift between the two. Despite this, Undyne refuses to begrudge her, even after she let Frisk go, instead blaming herself for not taking matters into her own hands from the start.

Undyne's views on humanity are a strong driving force, albeit an unhealthy one. She fully believes that humanity is evil, given the war and imprisonment, the Waterfall incident, and Chara, as she explains to Frisk upon first meeting her in person. However, many monsters have questioned if her heart's really in it. If she really, truly wants to kill the human Papyrus has come to adore.

But she insists that everything is fine.

"... Everything is fine. Everything is FINE." A lie. A stupid, bald-faced, utterly transparent lie... but it was all she could say to avoid buckling under the weight of all that had transpired.

Besides, if she won't take the last human SOUL, someone will have to. And Toriel went through enough hell already.

Her promise. Her failure. Her crimes and her mistakes... They'd fuel her. Keep the fire burning inside. Keep the life flowing through her when, by all accounts, she stood inches from death's door.

At the end of the day, this all started with her... and that was how it would end.

Powers and Stats[]

Tier: 8-C, possibly 8-B | 7-C, possibly High 7-C

Key: Undyne | The Determinator

Name: Undyne, StrongFish91 (Undernet username)

Origin: Inverted Fate

Gender: Female

Age: 22

Classification: Monster, Royal Scientist, De-facto Ruler of the Underground, Otaku, Creator of Mettaton, Accidental creator the Amalgamates, Alphys's significant other

Powers and Abilities:

Resistance to

All previous abilities minus her "control over the timeline"/Time Manipulation, plus:

Same as before, plus

  • Technological Construction (Capable of creating spear turrets, flamethrowers, lasers and even highly advanced robots in a very brief timespan)
  • Information Analysis and DT Detection (With DT Scanners)
  • Flight (Created successful rocket boots)
  • Explosion Manipulation (Built a scientifically enhanced dynamite)
  • Telekinesis and Invisibility (Created Monster Kid's special science helmet which gives them artificial telekinesis and can turn them invisible)
  • Fire Manipulation (Fort Aquarius has flamethrowers she can use. Her Science Beam can shoot fireballs)
  • Creation and Life Manipulation (Can make magic drawings that come to life with So Sorry's Tablet)
  • Forcefield Creation (Surrounded the CORE's entrance in a forcefield)
  • SOUL Fission (Undyne has the ability to temporarily split amalgamated/conjoined SOULs with her SOUL-fission prototype cleaver)

  • Attack Potency: Building level (Suplexed a boulder hard enough into her laboratory's wall to leave an "over-sized dent"[8]), possibly City Block level (Typically as powerful as her previous timeline's counterpart,[9][10] who defeated Flowey numerous times, with him being forced to rely on his wits rather than brute strength to beat her[note 1]), can bypass conventional durability via SOUL Magic | Town level, possibly Large Town level (Is extremely powerful by virtue of the sheer amounts of Determination fueling it. Comparable, though inferior to a monster that posesses the power of a human soul which has the combined power of every monster in the underground[11]), can bypass conventional durability via SOUL Magic

    Speed: Massively Hypersonic+ (Able to keep up with Frisk) | At least Massively Hypersonic+ (Should be much faster than any monster living in the underground)

    Lifting Strength: Class 25 (Capable of suplexing huge boulders.[1] Probably isn't any inferior to Papyrus)

    Striking Strength: Building level, possibly City Block level (While she acts as head scientist, she remains physically fit, even keeping a stress boulder lodged in a wall for spontaneous suplexes[1]) | Town level, possibly Large Town level

    Durability: Building level, possibly City Block level (Has 20 as defense value,[6] making it the same as Papyrus) | Town level, possibly Large Town level

    Stamina: Peak Human

    Range: At least Tens of meters with her Spears

    Intelligence: Extraordinary Genius. Gained her position as Royal Scientist after singlehandedly building a holographic sky over Snowdin Town.[12] Toriel was so impressed by this symbolic gesture that she immediately appointed Undyne to the position. Over the next few years, Undyne would pour her heart and SOUL into improving the lives of monsters. She gave Monster Kid a cloaking telekinetic helmet to compensate for their lack of arms, built So Sorry's tablet which can bring drawings into existence, and created Mettaton's robotic bodies. Successfully rose the dead with Determination. Built multiple advanced robots. Became the underground's de-facto leader after Toriel secluded herself inside the Castle. Undyne is a quite physically formidable combatant on her own when the situation demands it.

    Standard Equipment: Spears, Arrows

    Optional Equipment:
    • DT Scanner: A semi-transparent red monocle that covers the left eye. It's primary purpose is to calculate the individual DT levels (DETERMINATION) by converting the readings into numbers. Used by Doggo and many of Undyne's robots to detect nearby humans.
    • Spear Turrets: One of Fort Aquarius' many defenses. Killer spearbots that operate on their own power sources. As such, Frisk was forced into manually disabling them by flipping their power switch.
    • Blue and Orange Flamethrowers: One of Fort Aquarius' many defenses. Ominous gota-shaped sculptures that shoot Blue and Orange fire. Flames of blue light are harmless to those who stand still but orange flames harm those who remain stationary.
    • Science Beam: Undyne's weapon of choice against Frisk. The Science Beam, which is fueled by a large energy pack worn on her back, functions similary to a flamethrower, shooting a volley of orange and blue fireballs that rain from the sky down on their target.
    • So Sorry's Tablet: Undyne made So Sorry's Tablet and as such should be able to replicate it. The Tablet can create almost any object, whether inanimate object or sentient, aggressive creature.
    • (Created Robot) Advanced Automatons: Fort Aquarius' outer defenses, Guard Robots armed with Spears that follow simple patterns for their movements and attacks. They were built in compliance with early robotic laws, so instead of targeting living beings, Undyne made them target the air.
    • (Created Robot) KILLER MECHAFISH 9000 DELUXE DEATH MACHINE: KILLER MECHAFISH 9000 DELUXE DEATH MACHINE, better known as Deathfish, is a ruthless tool of destruction. Possessing 32 ATK and a whopping DEF value of 255, Deathfish is is quite the formidable foe. However, being an AI, giving it logical paradoxes such as "This statement is false" will make it start stammering. Has a switch on its back that disables it.
    • (Created Robot) Robot 98/XP: Transforms into their XP form in combat. Damaging its scanner will make it only see things that are moving.
    • (Created Robot) Astamin Eyewalker: A robotic version of Loox. It seeks to bring out its opponent's dark side, making it stronger in the process. Undyne didn't account for emotional maturity, in consequence, ignoring will perform its emergency shutdown.
    • (Created Robot) Fractal Drake: A robotic version of Snowdrake. Throughout a battle, Drake constantly makes ice puns, however, its sense of humor is rather robotic.
    • (Created Robot) PoworWosh: A robotic version of Woshua. It seeks to make everything clean due to the original Woshua being a hypochondriac.
    • (Created Robot) Pylion Springs: A robotic version of Pyrope. It wants to show everyone's its "flamazing" skills by jumping through flaming hoops.
    • (Created Robot) The Season Dudes: The Season Dudes are four season themed robots made by Undyne purely for the fun factor. They hold the micro-chips for the P. Blaster which are combined for a large blast that can damage the Determinator.
      • Ghoul Dude: Fall-themed android. Uses leaf-shaped projectiles and vines for its attacks.
      • Cool Dude: Winter-themed android. Uses snowballs and icicles for its attacks.
      • Azul Dude: Spring-themed android. Uses water-based attacks for its attacks.
      • Pool Dude: Summer-themed android. The Toughest of them all. Uses solar-based attacks for its attacks.
    • The Determinator: The Determinator is a mech that is directly interfaced with Undyne and was built as a vessel for the Determination Experiments. It was designed both with the intention of breaking the Barrier and as a means of defence in a worst-case scenario. It has two large tanks containing determination as well as six unseen compartments for the human SOULS.

    Weaknesses: If she's not determined to kill her foe, and is facing against a foe with a strong soul and has murderous intent, her defenses will weaken

    Notable Attacks/Techniques:

    • Soul Manipulation: Green Mode: Undyne turns her opponent's soul green, freezing them in place and preventing them from moving from their current location. However, due to her chivalrous nature, Undyne refuses to use this as a way to end fights, giving her opponent a shield and allowing them to use it to block attacks while stuck in place.
    • Arrows: Undyne fires multiple arrows at her opponent from all sides, forcing them to block while stuck in place. The arrows move at varying speeds and come in six colors: red, blue, yellow, orange, purple and pink. While red and blue arrows function relatively the same, yellow arrows will always curve at the last second, attempting to strike the opponent from behind. Orange arrows act in a similar manner, they however only curve to the side after being blocked once and disappear after three blocks. Purple arrows circle around the target before striking them and dealing poison damage if used The Determinator. Used exclusively by The Determinator, pink arrows come back after being blocked and need to be blocked once again to vanish. They can prove problematic when multiple arrows of different colors begin coming from different sides, at once. Undyne will sometimes follow a barrage of arrows by suddenly returning her opponent's soul to normal, flinging a spear at them and giving them just enough time to move should they be skilled enough.
    • Spears: Undyne will usually utilize one of two spear techniques. The first involves magically flinging spears in a straight path from all directions at her opponent. The second involved drastically reducing their area of movement, forcing them to dodge spears that burst upwards from the ground.
      • Spear Ring: Undyne will also form rings of spears around her opponent. These will either manifest as large rings of spears with little space between them that will quickly close in on her opponent, or wider circles that will almost instantly fire straight inwards towards the foe.
    • DETERMINATION: The source of her power and abilities. The user is empowered by the feeling of determination, allowing it to strengthen their capabilities and use certain new powers. Using her own DETERMINATION and the bonus from the Determinator, Undyne planned to have her DETERMINATION overpower Frisk's, so she could kill them for good.
      • SAVE: When particularly determined, the user can "SAVE" the current moment in time, filling a file inside the game with information about their current process, LV, etc. Someone else with the same use of DETERMINATION and higher determination will result in this ability to SAVE being disabled from Frisk.
      • LOAD: Turns back time to the last SAVE made. This can even be used after dying, which usually results in having one's SOUL shattering into pieces. Another user of DETERMINATION, Flowey, could LOAD after dying despite lacking a SOUL altogether. Someone with the same use of DETERMINATION and higher determination will result in this ability to LOAD being disabled from Frisk.
        • Reset: Undyne has the ability to RESET the timeline, bringing it all back to the original point she gained control of it. However, she never actually did a RESET, aiming to do it only for the good of monsters, not her own.
    • Mouth Laser: The Determinator can charge up and fire a huge energy beam from its mouth, hurting anyone who stays in its way.
    • Shark Missiles: The Determinator has two cannons on its shoulders that shoot shark-shaped missiles that lock-on the target's current's location. Will often be used in numbers.

    Music:

    ~UPDATED~_Inverted_Fate_(Undertale_AU)_-_Scientific_Justice_-Extended-

    ~UPDATED~ Inverted Fate (Undertale AU) - Scientific Justice -Extended-

    Inverted_Fate_(Undertale_AU)_-_Say_Your_Prayers,_Punk!_~ALL_VERSIONS~

    Inverted Fate (Undertale AU) - Say Your Prayers, Punk! ~ALL VERSIONS~

    Gallery[]

    Others[]

    Notable Victories:

    Notable Losses:

    Inconclusive Matches:

    References[]

    1. 1.0 1.1 1.2 Hotland - Page 29 - The Royal Scientist's Lab; A Tour of Bizarre Proportions!
    2. GASTOS - Page 5 - Star
    3. Waterfall - Chapter 21 - A Flimsy Facade
    4. GASTOS - Page 2 - Everything is fine
    5. GASTOS - Page 12 - Denial
    6. 6.0 6.1 Hotland - Chapter 28 - Fear and Tension! The Mad Scientist's Grand Reveal!
    7. GASTOS - Page 6 - Cap
    8. Hotland - Page 29
    9. Hotland - Chapter 28
    10. Extras - Playable Battle of the Ages!
    11. Fort Aquarius - Chapter 15 - Rushing Waters, Looming Dread.
    12. Snowdin - Chapter 10 - Oh No! We're Snowed In!
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