Name: Y/N L/N

Alias: The Symbol of Terror/Fear/Evil, the new All For One, AFO, Emperor of Darkness, the Demon Lord, and Greatest Demon Lord of All. 

Age: 16 

Hair color: white 

Eye color: red 

Gender: male

Appearance: 

Personality: Calm, calculating, cold, cruel, sadistic, ruthless, merciless, cunning, brutal, heartless, and vengeful. 

Likes: The League of Villains, All For One, his power, taking people's quirks, training, strong opponents, his Nomu, peace and quiet, killing and tutoring his enemies.

Dislikes: Katsuki, Heroes, weaklings, cowards, perverts, rapists, losing, Tomura (sometimes), traitors, anyone gets in his way, and annoying people.

Family relatives: Richard Farron (father), M/N L/N (mother), Lightning Farron (step mother), Arcturus Farron (half-brother), Wanda Maixmoff (adopted sister), and Cynthia (adopted mother). 

Quirks/Powers: 

Quirkless (formerly): At the age of four, Y/n was diagnosed as quirkless much like 20% of the population.

All For One: After being found by and taken in All for One, Y/N joined him alongside Tomura in his plan to destroy hero society and bring a new age to the world. Due to Y/N being Quirkless, All For One decided to give him a quirk, a duplicate of All for One. Though it would take time for Y/N's body to get used to, he still accepted this power and would use it to make those who wronged him suffer. 

Given Quirks:

Air Cannon: Air Cannon allows the user to release a devastating shockwave of air pressure from the palm of their hands.

Springlike Limbs: Springlike Limbs allows the user to store and release force by coiling their muscles, akin to a coil spring.

Kinetic Booster: This unnamed Quirk seemingly increases the amount of kinetic energy the user creates and releases. 

Brawn Boost: Hence the name, this Quirk gives the user a boost in physical strength.

Rivet Stab: Rivet Stab allows its user to generate black tendrils that have red prominent cracked lines that extend from the users' fingers, although they can also emerge from other parts of the body such as the spine.

Impact Recoil: Impact Recoil allows the user to reverse the impact caused by an opposing physical force, damaging the opposition instead.

Forced Quirk Activation: Forced Quirk Activation allows the user to forcefully activate someone's Quirk against their will. Whether the target is conscious or not, the Quirk will work without fail, thus giving the user a method to use their allies' Quirks without having to worry about their state. They are also able to use it on themselves, even if their body is paralyzed in some way.

Strength Enhancer: The unnamed Quirk seemingly enhances All For One's physical strength. All For One has three copies of this Quirk.

Bone Protrusion: This quirk allows the users to protrude sharp bone protrusions that cover the user allowing them to use it for offense and defense and being able to make them able to grow larger and sharper. 

Spearlike Bones: allows the user to generate cone-shaped spears made of bone on any part of their body. Their size and length of these spears, as well as how many are released, can be increased and are capable of quickly and easily puncturing into human flesh.

Multiplier: This Quirk seemingly multiplies the number of All For One's arms.

Hypertrophy: This Quirk seemingly enlarges All For One's Arm.

Muscle Augmentation: This Quirk allows the user to augment the power of their muscles, changing their appearance.

Air Walk: This Quirk is capable of allowing the user to levitate in mid-air. 

Search: All For One can observe and monitor up to a hundred people at a time, including their location and weak points. In addition to infrared, this Quirk makes up for All for One's blindness.

Warping: This can produce a black liquid that acts as a portal. 

Infrared: This Quirk allows All For One to sense his surroundings using infrared senses.

Life Force: This quirk allows him to possess supernatural longevity in lifespan.

Hardflame Fan: This Quirk allows All For One to generate a wall of flames to act as a defense.

Quirks he can/will steal: 

Weather Manipulation: Allows him to control the weather, able to instantly cause powerful thunderstorms and tornadoes.

Scanning: He can use this Quirk to identify different Quirks belonging to others and gain a read on their abilities through an infrared-like vision. To an extent, he can also use this Quirk to measure their respective power levels.

Air Wall: He can use this Quirk to create a transparent barrier made of pressurized air to shield himself in a particular direction. This quirk can also be used offensively by releasing a powerful air burst that can push away people and attacks or is used as a springboard that can physically push people away.

Bullet Laser: Allows him to fire purple-colored lasers from his fingertips at will.

Hydra: Allows him to summon several large blue dragon-shaped attacks out of his back that he can control at will.

Cell Activation: This Quirk allows him to activate the cells in his own body or another person's body, boosting regeneration and repairing any damage.

Unnamed Telekinesis Quirk: This Quirk allows All For One the ability to levitate objects with his hand. He used it to levitate his medical device once freed from Tartarus.

Unnamed Mind Control Quirk: This Quirk allows All For One to control a person's actions by touching their head. He used it on a Tartarus guard to fly an emergency plane and escape the prison.

Unnamed Levitation Quirk: This Quirk allows All For One to levitate in the air.

Unnamed Lie Detector Quirk: This Quirk allows All For One to sense whether a person is lying or if they possess any semblance of ill will.

Unnamed Razor Blade Quirk: This Quirk allows All For One to create crescent-shaped razor blades.

Unnamed Ooze Quirk: This Quirk allows All For One to generate a muck-looking substance that can cover and dissolve an area.

Unnamed Mouth Quirk: This Quirk allows All For One to morph the flesh on his hand into a mouth that can be shot out to attack.

Unnamed Vibration Detection Quirk: This Quirk allows All For One to enhance his senses about his surroundings.

Unnamed Glue Quirk: This Quirk allows All For One to generate a glue-like substance that can be used to instantly join broken pieces together. He used it along with Rivet Stab to try and repair his broken mask.

Unnamed Luminescence Quirk: This Quirk allows All For One to illuminate himself.

Unnamed Shapeshifting Quirk: This Quirk allows All For One to shape-shift his appearance.

Unnamed Force Field Quirk: This Quirk allows All For One to generate a force field to protect himself from attacks.

Unnamed Spatial Distortion Quirk: This Quirk allows All For One to manipulate the space around him at a range.

Unnamed Body Appendage Quirk: This Quirk allows All For One to grow appendages from his back in the shape of wings that can serve to expand the usage of his Black Lightning quirk.

Unnamed Black Lightning Quirk: This Quirk allows All For One to shoot black lightning bolts from his body. He uses this in combination with his body appendage quirk.

Unnamed Repulsion Quirk: This Quirk allows All For One to generate repulsion rings that let him propel himself through an allegedly repulsive force, gaining a rapid increase in speed.

Unnamed Fangs Quirk: This mutant Quirk gives the user a fanged jawbone.

Unnamed Mutant Quirks: All For One stole a variety of mutant Quirks in his quest to force people to submit to his will.

Unnamed Hardening Quirk: This Quirk somewhat allows All For One to harden his skin exceptionally. He stole this Quirk from a fighter in the Underground Masquerade.

Transforming Arms: This Quirk allows the user to shapeshift their arms.

Shock Absorption: This gives the user the ability to reduce the effectiveness of physical blows by absorbing the shocks produced by them.

Super Regeneration: All For One will have the ability to regenerate any sort of injuries on his body, such as missing limbs, at incredible speeds.

Blood Armory: A quick where you can make Weapons and/or Armor from the user's blood. The material is very durable, but not invincible unless the user trains. Depending on the amount of blood used, it can be used to create bigger weapons. Downside, the more blood used, the more draining it is on the user. 

Dragon Wings: Allows the user to grow a pair of dragon like wings on his back. 

Rock Arm: His stepdad's quirk. 

Copy of Blood: This ability is to copy Quirk of person who touches the blood of others ,it has a stock of 5 Quirks has. It will canceled the Quirk of a person who touches the blood. 

Scatter: With this quirk, All For One can split up projectiles, allowing them to scatter all over.

Radio Waves: All For One can disrupt radio waves and cause communicators to malfunction.

Wing: This quirk grants All For One the ability to grow black wings from his back and fly.

Heavy Payload: All For One can seemingly increase the amount of damage being dealt.

Reflect: This quirk allows All For One to absorb any attack used against him and release it back at the target at the same level of power.

Bloodcurdle: This Quirk allows the user to paralyze someone when they ingest their blood and, based on the blood type, can paralyze for extended periods of time.

Antigen Swap: This Quirk allows All For One to change his blood type. He used this Quirk in the past to leave no traces of himself behind.

Bloodlet: This Quirk allows All For One to expel all the blood from within his body and then retracts it back into his body.

Dark Ball: This Quirk allows All For One to release an array of dark balls.

Impure Beam: This Quirk allows All For One to unleash a powerful beam of light, which, in conjunction with his power-boosting Quirks, turns it into a devastating explosion. 

Foldabody: This Quirk allows him to make his body and limbs extremely thin and long, effectively allowing him to transform himself into a razor-sharp string. He can transform faster than the speed of sound. 

Metal Manipulation: This grants the user the ability to control pre-existing metallic material. By just placing his hand on any metallic surface, Y/N can manipulate any given object in the room to create different types of structures to attack and/or defend. With the ability to bend any metal to their will, the user is capable of freely bending and changing the shape of any metal material they wish.

Body Bulk: This Quirk enlarges the user to a towering size, greatly increasing their strength.

Scalemail: This Quirk covers the user with scale-like blades, along with increased strength and defense.

Overhaul: This Quirk grants him the ability to disassemble anything he touches, as well as reassemble it in any configuration he desires, effectively giving him full control over the matter. 

Darkflame: This quirk allows the user to manipulate flames of purgatory. Think of it as a darkness version of Hellflame. 

Strongarm: Strongarm allows the user to rotate and move their shoulders at extreme speed and power, giving them commensurately fast and strong punches.

Foresight: Foresight granted the user the ability to accurately predict all of the target's future moves and actions for an entire hour. 

Strings: Allows user to take control of a person's body. Y/N usually uses it on one of his unconscious allies.

Hydro: This Quirk manipulate bodies of water with ease, even large ones like lakes or ponds! However, he has to be able to touch the water in order to use it.

Dragon Cannon: Summons a burst of energy in his palms that can devastate an entire city block.

Nether Assault: Calls upon dark energy to add massive amounts of power to his strikes, and the quirks that are already activated within the wielder, but it forces the wielder into unconsciousness, and it only lasts for two minutes. Can be shut off early. 

Satan Gravity: (from Edens Zero) 

Cat Leaper: (from Edens Zero) 

Wormhole: (from Edens Zero) 

Dragon Slayer Magic: (from Fairy Tail) 

Known Ultimate Moves:

AFO: Dark Emergence: An ability only he can use, Y/n channels his power through his body at maximum efficiency, causing his body to glow with a red due and black sparks flickering. Think of it as his own version of OFA: Full Cowl.

Ground Zero: Air Cannon: Y/N delivers a massive air blast from above to level the ground below him.

Ultimate Quirk Combination: All For One utilizes the strongest combination of Quirks that he currently holds inside his body to greatly enhance his right arm, combining Springlike Limbs, Multiplier, Hypertrophy, Rivet, Air Walk, and Spearlike Bones, as well as four Kinetic Booster Quirks and three Strength Enhancer Quirks.

Omni-Factor Unleash: All For One summons every single Quirk he has ever stolen into one powerful attack.

That's all for the bio so far. I hope you guys like it so far. Now it's either the harem or the League of Villains crew. Let me know what you guys think at the comments below, peace out and enjoy!