• [Endurance : Gigantomachia's original Quirk allows him to convert his morale into physical energy and stamina.
• Pain Blocker: Gigantomachia's second Quirk makes him unable to detect any pain.
• Gigantification: Gigantomachia's third Quirk allows him to grow to gigantic sizes the more he is agitated or excited. Another incarnation of this Quirk is used by Yu Takeyama.
• Dog: Gigantomachia's fourth Quirk provides him with heightened senses of smell and hearing, similar to that of a dog's. Another incarnation of this Quirk is used by Ryo Inui.
• Energy Saver: Gigantomachia's fifth Quirk allows his body to function on very small amounts of nutrition and hydration, allowing him to process without much sleep.
• Fierce Gains: Gigantomachia's sixth Quirk allows his muscles to harden at exceptional levels.
• Mole: Gigantomachia's seventh Quirk allows him to grow mole-like claws from his fingers, spines on his back, and a visor to shield his face, to help him dig through the Earth, as well as tear through obstacles, such as buildings. All For One gave him this Quirk with the purpose to hide underground].
After getting the quirks Alex went outside the underground floor by just flying throught it.
And with his strength it was like paper, he feels liking he can match One for All in strength or even beat him in that.
But before that he went to face All Might he need to absorb All for One.
And when he was thinking how to defeat All for One, Alex's clones approched him and told him that they have done there task as Alex asks them how many nomus were present and the one who told the task was done he said " 20 Upper-tier nomu, 11 Near High-End nomu and
5 High-End nomu".
Hearing this Alex collected all the marble's and told them to disappear and they turned into liquid.
After that Alex brought the marble's near his mouth and swallowed them while using the ability [Predator].
And Alex got all there component and his quirks got strengthened even more.
After absorbing the nomus.
Alex got both Physically and Mentally ready as he will open a portal where One for All's location and he has to kill him in anyway.
After clearing his mind Alex opened a entry portal near him and a exit portal near All for One's location.
And when Alex passed throught the portal.
All for One thought it must be kurogiri bringing a suitable candidate to take his quirk. But when he didn't see Kurogiri he asked the stranger, "Who are you kid and how did you use that quirk to get here".
Alex was looking around and saw that they were in a underground room. The room had many screen showing Tomura Shigaraki as he was practicing his quirk.
Then he answered All fot One's question "I am Joker, I am here to put a smile on everyone's face" saying that he used [Object Attraction] to destroy the tubes that were connected to All for One.
All for One got a little annoyed as he is thing of Alex as some newbie hero and mistakenly came here.All for One thought 'Is he thinking that he can take me on as I am in a weakened state' but to entertain himself he used a simplified version of [Air Cannon] on the kid.
The kid didn't dodge so All for One thougth 'He must be to scared seeing the attack for him to dodge' but to his surprise the kid slapped the on-comming attack and deflected it.
All for One started thinking 'Does he have a defence quirk if then it will be useful for me'
So to test it he made another [Air Cannon] but without holfing back like before and shot it toward the kid. And the kid still didn't dodge and tried to slap it but his hand got obliterate and he rolled back, while a creator forming formed on the wall Alex was standing in front of.
Seeing this All for One was disappoined and thought that his fun is over but when he was about to call one of his henchmen he saw the kid's body recovering at a same speed as him.
And in some seconds the kid was good as new and All for One was surprised by this and got a little serious as he has seen the kid use more than one quirk.
While All for One was having his fun, Alex was checking the strength of All for One's attacks so he was not dodging and took it head on but didn't feel anything as he had used [Body Hardening], [Shock Absorption]×61 and [Pain Blocker].
And when he was contemplating between the difference between All for One and himself a second attack like before came so he tried to slap it away like before as the effects were still on but the power of that was to strong and his hand got destryoed while he rolled back.
Alex felt that the difference between those two attacks were like day and night. And Alex understood that All for One was testing him at first but the second attack was serious.
Alex also got ready to attack All for One as he has revealed to muxh information about himself infront of All for One.
As another attack came at Alex he used [Adrenaline],[Hightened Senses] and [Jet] to dodge it and propelled himself towards All for One.
And used [Power],[Strength], [Muscle Agumentation]×361 , [Fierce Gains], [Mole], [Hair Control] and [Rage]
To enchance the the body to its maxium and using [Explosion] combined with [Acid Sweat] generating from [Blades] with one hand and [Water Pump] combined with [Water Control] generating from [Claws] and attacked All for One.
All for One took the attack head on as he was sure in his [Super Regeneration] and he did believe a kid could do much damage, but he was so wrong in the impact of the attack All for One was sent flying on the wall behind him and a bigger crator had formed on the wall.
All for One didn't expect that puch strength in a kid and knew that he had more than a single quirk. And with a hanged breath All for One asked while healing with his [Super Regeneration] quirk"How many Quirks do you have?".
Alex didn't answer and charged at All for One with the same attack but all for one guessed it and used [Air Cannon] toward him.
But before it could hurt Alex he uses [Jet] to jump up and dodge it but One for All saw this comming and attack another [Air cannon].
By then All for One had healed and started walking toward's the kid to make this kid unconcious or kill this kid and bring him to one of his devoted subordinates that could research on his body and tell him everything about it's quirk and can even copy it.
So All for One wanted to finish his fight by not damaging the kid as much as possible so he used [Musculoskeletal Coiling] which increased his physical prowess and all other quirks.
And All for One thought 'Its better to beat these kid with physical strength to not damage his body'
All for One threw a punch while Alex also threw a punch but Alex's punch overpowered All for One and broke his arm. If this was Alex before absorbing Gigantomacia then it will be the same as All for One but even worse but after getting Gigantomacia Alex's physcial prowess had increased greatly and can even match All for One.
Talkig this chace of a broke arm Alex used [Fibre Master] combined with [Blood Control] and [Object Attraction] to attract all the object that will make the fiber even more durable and strong.
After mobilizing All for One Alex used [Power], [Strength], [Endurance], [Rage] , [Muscle Agumentation]×361, [Fierce Gain] and [Pain Blocker].
Alex ised to exhnace his body while All for One is still mobilized and using [Explosion] combined with [Acid Sweat] and [Magnetism] for extra damage and started munch him.
And with his [Endurance] he was easily able to keep punching One for All without getting tired and while punching he made a copy of himself using [Double] and told him to "Bind him as hard as you could" and all the binding Alex was using he also added [Tongue Web]×361 as it is also a binding quirk but the person binding need to sand still in a position without moving so Alex was not able to use it.
After punching All for One for sometime he started to lose conciousness and at last with a good hit with all his strngth All for One was finally defeated.
But before All for One was defeated he thought in his mind 'You are able to defeat me today kid, but when i wake up i will take you quirk and kill you family infront of you..I PROMISE!!!' And All for One lost conciousness, but All for One never in a million years expect that this was the final light he will see and that's not even the most humiliating but being defeated by a user without his little brother's quirk One for All.
Alex knew All For One went easy on him for some reason and didn't use any of the quirks like [Warping], [Rivet], [Bonespear], [ [Prolefiration] and many more than All for One didn't use.
But he doesn't care as he defeated All for One in a fighit fait and square while he was adding fuel in his ego he used his quirk [Compress] to make All for One a marbel and used another quirk [Storage] to store it inside him and he can take it out anytime he want's to.
Alex didn't consume All for One because he isn't sure if All for One can posses his body as whose will is stronger. Alex had absorbed many people and he believes that his will will be one of the strongest in these world but cannot be sure for All for One as he has a lot of experience and had lived for more than centuries.
And he is not in a hurry to conquer the world or dosen't even need All for One's or One for All's power to conquer the world.
Alex thought it would be safe for now to keep All for One in compressed marble. Alex went outside the underground throught staircase and and when he reached the top he saw a corridor with many room so he used his quirk [Double] to make four copies of himself to search the room.
And Alex used [Heightened Senses] and [Dog] to find [Tomura Shigaraki].
But after activating the quirk he could hear many sound beacuse with [Hightened Senses] all his senses will be maxed and combied with [Dog] his senses will be like a maxed dog who could even hear frequency if he concentrated. It was making his brain hurt but after using it for sometimes he got used to it.
And after some seconds he finally found Tomura Shigaraki, He was in a room close to where All for One's was staying.
Alex opened the door and saw Tomura Shigaraki practicing his quirk to be able to control.
The room Tomura was in looked like a room of normal a loving family.
While Alex was looking around the room admiring it, Tomura first that it was All for One his master who has come to visit but seeing a stranger he thought 'Master must have sent him here to test my power and skills' to without telling anything Tomura attacked Alex.
Alex seeing Tomura was attacking was not dumb enough to let Tomura touch him with his quirk [Decay]
[Tomura's original Quirk allows him to disintegrate whatever he touches with all five fingers. It will take effect whether the target is organic or not. The disintegration spreads quickly and will spread through the victim's whole body if they don't amputate the decaying body part. His Quirk can even spread beyond what he's touching, allowing him to disintegrate large groups of enemies instantly].
It is one of the most powerful quirk, and when it is reawakened it become very strong.
Thinking this Alex used [Adrenaline] to increase his reaction speed then used [Object Attraction] to attract all the object and pin his hands in the groud.
After Alex pined Tomura's hand, Tomura used his quirk [Decay] to decay them but before he could be free from the bind, Alex used [Blades] to cut both his hands from the shoulder.
Alex successfully mutilated both Tomura's hand's and Tomura was screem because of pain.
Alex then used [Hair control] and turned it into a chainsaw and cut screeming Tomura's head.
After killing Tomura, Alex absorbed it's body. It took more than any other person he absorbed, Alex knew why it took his ability who had absorbed so many countless people to take longer than before and it was because of Tomura's unbreakable willpower.
After absorbing Tomura's body Alex got all his memories, Knowledge, components and quirk of Tomura [Decay].
After sometime when he was getting used to this quirk as it works on emotion, Alex could see that the emotions the quirk works best is Negative Energy as it increases the speed and the radius of decaying but the disadvantage is that he has to touch the object with all of his fighters to make the quirk work.
While Alex was checking A clone of Alex came running to him and told him "I have found Dr.Kyudai Garaki, he was in a room where he was doing his experiments with Nine, so i used [Compress] and turned Garaki into a marbel".
Hearing this the original Alex became shocked because he now had a chance to get All for One without having a risk, so be it weaker version from Nine as he was a holder of One for All in the future.
By hearing that Nine was being experimented upon by Garaki Alex understood that it must be the expieriment where Garaki gave him a duplicate power of One for All.
He asked the clone to give all the marbles that he collected and he gave him 7 marbles, 6 of High-End Nomu and
Dr. Kyudai Garaki.
After receiving the marbles the original Alex put them inside his mouth and used [Predator] to absorb there components and strengthen his quirk.
After absorbing the marbles that the nomu's were kept, Alex then put the marbel that Dr.Garaki is kept inside his mouth and used [Predator] to absorb it and got all his Memories, Knowledge and
Quirk [Live Force]
[This Quirk grants him an extended lifespan and a more youthful appearance than his true age. As a side effect, it causes his physical mobility to worsen].
Alex took a while to digest all the memories and knowledge as it was very vast but after sometime Alex finished digesting it.
Alex after finishing digesting the information, He ordered his copy to show the way where the experimentation was being performed and his copy told to follow him and Alex followed the copy and reached the room.
After reaching the room he saw..