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"I am always waiting for you, Myo. I won't let anyone harm you. Because I love you, Myo"
– Leader Sans confesses his love to Myo after saving her in vacuum between AU

Leader Sans is an Out!Code created by QuanExercitus. After finding The Soul Of Omega, he ended up completely erasing Chara from his AU. He is one of the survivors in Unweaktale.

Backstory

Leader Sans is the Classic Sans in AU UnweakTale. In his AU, when the 8th person falls, that person is Myo. A few years later, Chara fell to the Underground. Chara killed many people and tried to kill Leader Sans and Myo but they ran away. Chara continued to kill anyone she saw and Chara killed Myo while Myo was hiding in Snowdin. Leader Sans is heartbroken to hear the news and is determined to kill Chara. But in the end, the one who died was the Leader Sans. Then Chara press RESET

And continue to the 9th Genocide. During this genocide, Leader Sans recalls the previous reset. Leader Sans begins to sense a source of power outside the AU. When searching for its source, Leader Sans found The Soul Of Omega. Leader Sans is empowered by The Soul Of Omega. Leader Sans immediately returns to Snowdin but discovers that Myo has been killed by Chara. He decides to kill Chara once and for all. Leader Sans succeeded in killing Chara and nullifying Determination's ability. After that, many terminators appear and intend to destroy UnweakTale. Leader Sans sees this and stops the destroyers

Profile

Transformation Forms

Unknown Aura

This form appears when the Main System code is extracted and given to the Leader Sans so that Leader Sans can transform into this form at any time. This form is very dangerous and is the form that the Leader Sans can control. The Leader Sans in this form has full control over his breed's abilities. Not only is this form powerful, but it also makes Leader Sans's skills many times stronger and deals incredible damage up to 9999999 (possibly infinite) dmg per millisecond. And he has the fearsome physical prowess if not the best in the Judgeverse. This form also has a strong healing element, completely rejecting death so it can heal any wound or form of damage

F.4.T.4.L.M.4.X

FATALMAX is the only transformation that Leader Sans cannot fully control. This transformation can only be achieved with Leader Sans when he is near death. During the transition, the alternate Multiverses will send the code to the Leader Sans. All Alternate Multiverse proceeds to redirect all its energy and code to the Leader Sans. This increase in power allows Leader Sans to destroy anything but space, time, and reality. Gives him full control over an ability similar to Leader Sans's. This form is very powerful and resembles the Semi-Almighty. This form can Kill people with just one touch and destroy objects at an unlimited distance. Its Dmg is so high it's hard to explain, it's simply over 9 billion Dmg per millisecond. He also has a pair of wings that allow him to fly at unfathomable speeds. Not only that, the eye on the wing also fires a second shot Tesla Ray but has removed the condition of the first shot, this beam is powerful enough to cause a lot of Multiverses to collapse in an instant. There is a downside to this transformation, when it ends up defending itself, the Alternate Multiverses will take back All of its code along with the Leader Sans. This means that once Leader Sans's fight is over, he will die instantly

Enhanced Ability

While in this form, Leader Sans's abilities will be enhanced in strength, characteristics, and goals. It's really dangerous because he has changed his own Skill to make it easier to kill you

L.4.S.T

LAST is the presence of the Leader Sans's determination, an entity that resides within the Leader Sans. It borned when Leader Sans is determined not to die at all costs to see his loved ones happy, especially Myo. LAST displays a brutal and violent reaction to his enemies, treating everything as trash and he only needs those closest to Leader Sans himself to live. LAST almost causes Leader Sans to lose awareness of his surroundings. When Leader Sans was extremely close to death, that was when LAST took control of Leader Sans's body. LAST will absorb all the Main System code and much more. This increase in power allows LAST to destroy anything in his vision, even a MultiMegaverse, and gives him complete control over existence, reality, space, and time. LAST's power turns all of Leader Sans's normal skills into a more deadly. This form is powerful and semi-almighty in almost every way. This form can kill with a single thought and can fly with its wings at unlimited speed. The eyes on the wings can shoot rays that will kill enemies in a variety of ways (simply experiencing infinitely different ways of dying same time)

Death Eye

LAST's eye sockets can inflict pain on enemies in different ways at the same time as a single LAST's look. This pain goes on continuously until LAST wants the person to die, this death will come in many ways, mainly the easiest way to kill.

Death Body

Staring at LAST can cause the enemy to die and come back to life to undergo other ways of dying until LAST stops. LAST's body can also absorb other entities easily

Appearance

Leader Sans wears a black jacket with a white hood and a white sweater with a black J on it. He has two white Ωs on the chest of his jacket and a white J on the back of his jacket. Jacket's hood has white fur. He wears black pants with white trim. He wears black shoes with white trim. He has red eyes with yellow rhombus in them. The eye sockets always drain black fluid. He always wears a yellow heart locket with Myo's image on it

Personality

Leader Sans, though cold, is actually very kind and not lazy. He shows little emotion to strangers. Thanks to the support of Gaster and Toriel, he became a brilliant scientist. Know everything like Swordsmanship, Martial Arts, Science and more. He loves to play with words in his words. Along with his inventions, he helped Underground thrive. After meeting Myo, he became happier and showed his feelings to everyone more. Looks like Leader Sans loves Myo. After UnweakTale was almost destroyed, he became a bit cooler and seemed more serious. He's starting to get a little lazier and enjoy playing games a bit more. His love for Myo remains unchanged. He has very little forgiveness in battle

Powers/Ability

Mainton Power

  • Non-Affect: Maintons can remove all sorts of effects of abilities such as cables, taking over bodies, bending the laws, copying and more. Maintons can only be created by selected Maintons
  • Anti-SOUL: When Mainton dies, they can respawn shortly after. They will lose their souls and they will rise again. Their abilities will become more deadly as those abilities will be upgraded to make it easier to kill enemies. However, Anti-SOUL can only be used once
  • Increase Power: After Myo died and the 9th Genocide ended, Leader Sans upgraded Mainton. This ability gives Mainton a 200x increase in net strength, increasing stats and abilities
  • Omni-Fire: He has complete control over fire, whether it's his own or someone else's. This flame is difficult to extinguish with an unknown temperature. Leader Sans also controls natural fire and raises or lowers its temperature. Make whoever controls fire do as he pleases. Inflicts a burn that makes quick healing useless regardless of whether the enemy feels pain or not
  • Omni-Ice: He has complete control over all states of water (gas, solid, liquid), whether his own or someone else's. He can create ice with incredible hardness. Leader Sans also controls fluid or other fluid properties with ease. Control who controls the state of the water. Make water like whips to attack enemies
  • Cable: After encountering Error404, Leader Sans was able to create cables and use them to catch and disrupt SOULs. Leader Sans can also control enemies by tying them up like puppets and then controlling them. When it catches an enemy, it will tie up the enemy very quickly. It is nearly impossible to break these cables (Mastroy can somehow break it). These cables also have some other abilities such as Disable Ability, Crush Spacetime. He used this ability to create his coat which makes his coat very durable
  • Copy and Paste: Initially, these nodes were only used for copying implicit resources. Leader Sans has the power to copy and paste anything using the Copy and Paste buttons. Copy a certain ability, a certain trait, and more. The only limitation here is that those with the Disable and Mainton abilities will not be affected
  • Tesla Rays: He shoots a beam from his finger that will kill anything and anyone whose code is a god, a virus, or a glitch. Its firing line can be bent at will. Removes all matter down to the subatomic level, leaving Spacetime severely damaged if Leader Sans so desires
    • Tesla Rays First Shot: First Shot holds the enemy in place for an infinite time. If entities don't have a code (or Out! Code) when hit, they die with nothing being able to do to revive them. Unfinite holders will not be affected by First Shot
    • Tesla Rays Second Shot: Kill everyone who was first Shot by First Shot. Make them unable to regenerate, reincarnate. Destruction of the body rapidly to the subatomic level
  • Judge Blasters: Judge Blasters are large dragon skulls that fire powerful blasts of damage. Judge Blaster fires a large beam with auxiliary rays aimed at enemies. The scale of the devastation can affect Spacetime, Reality. It will destroy a Megaverse strip with ease. When shot at an object, matter particles will completely disappear from all forms. When firing at an entity, it drains all enemy code back to the Leader Sans. If the enemy is unaffected, it will inform the enemy to help Leader Sans know how to kill that enemy. Leader Sans often uses Judge Blasters because of its ability to kill all enemies lower than god or god quickly on all forms
  • Normalize Environment: Leader Sans has the ability to be unaffected by abilities related to spacetime, reality, and higher things. If Leader Sans wants to, it can completely disable those abilities when he appears
  • Omega Reaction: Leader Sans has the ability to react extremely quickly and can react quickly when suddenly ambushed or attacked by anyone. It is so fast that the normal senses cannot perceive it. It helps Leader Sans dodge attacks easily
  • ERASE: This is an invention of Kingret Gaster after Toriel gave birth to Leader Sans. This button can delete anything but a living entity (if the entity is weaker than half the user's strength, the entity can still be permanently deleted). Leader Sans often uses ERASE to clear AUs quickly. The deleted entity will disappear from existence, spacetime, reality
  • Multiverse Gate: Leader Sans can create portals of any size, allowing him to travel through any point in time and space in any world. Leader Sans can also access higher reality like God Realm
  • Nightmare Returns: When Leader Sans uses this ability, he will summon all entities the enemy has killed or made them hate before. Those entities will be 10x stronger and have the added ability to counter enemies. These entities cannot be injured, they will last forever until Leader Sans dies or stops using this ability
  • Uninfinite: He can nullify related skills infinitely. If an entity has infinite stats, that entity's stats will default to 1 or 0. Skills like Infinite Strength, Infinite Summon, ... will be completely disabled unless That entity also has this ability
  • Immortaless: Anyone of the immortal type 13 or under. Making his attacks unhealable, rendering enemies unable to resurrect or regenerate themselves,... This skill simply counters 13/14 types of immortality
  • Disable: Leader Sans can disable the Button. If an enemy copies Leader Sans's ability, Leader Sans can disable it completely and take control of the enemy at will. It can disable SOUL's skill. The skill will be automatic if the enemy has a skill (only a small percentage) similar to Leader Sans's skill. To make it easier for you to imagine, I will give an example: The opponent's Blaster will be disabled because the Leader Sans also has a Blaster even though they are not of the same type. This ability cannot affect people who also have Disable
  • Omega Heal: He has an instant wound healing rate regardless of whether those wounds are related to Reality, Spacetime, Concepts, etc. It becomes weaker when it encounters Mainton owners. Leader Sans can also make it disabled or give it to someone else
  • DarkSharp Shuriken: He will raise his hand to the sky to create a Shadow Shuriken. This Shuriken can absorb almost anything in its path to convert it into energy for the Leader Sans. It can also rip apart reality, bypassing spacetime
  • LightSharp Shuriken: He will raise his hand to the sky to create a light Shuriken. This Shuriken can obliterate almost anything in its path, and it can slay even the most powerful gods. Damage can be increased when DarkSharp absorbs living creatures. It will really ignore all concepts, spacetime, reality,...
  • Bessekai Clone: He can create clones called GONEs, which Leader Sans will move into a parallel space (this space cannot be destroyed) with the real space. Physical attacks are useless against GONE but GONE can attack with lightning speed. The downside is that it can only be used for 15 seconds
  • Judge Area: Within 10000km, he can bring any entity within that distance to a place where everything is dark, hazy, the only light is the unidentified lights in the sky. This place may or may not be parallel to the real world, events taking place in this world affect the real world. This is where the Leader Sans has complete control over Concepts, Abilities, Spacetime,... If Leader Sans kills them in this world, they will lose their immortality, consciousness, and die
  • Unknown Strength:


Relationship

Kingret Gaster (Father)

Leader Sans respected his father very much. It may be due to the educational environment and the merits of his father. Gaster is also a teacher who teaches Leader Sans many things about science

Myo (Girlfriend)3

Leader Sans and Myo had a good relationship in the past and found each other one day in the Ruins, becoming close and closer ever since. They spent many years together until Myo was killed by Chara. And now she is Myo

Trivia

  • He likes mango, jackfruit, guava, watermelon, banana, and durian
  • He doesn't like to eat animal organs
  • He often says "Almighty is something that doesn't exist" when talking to people who claim to be omnipotent
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