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A battle of clones

Summary:

The first fanfic from a serie exploring different scenarios where Izuku is the son or brother of different characters

Ectoplasm is the father of Izuku in this one

Notes:

A bit of backstory

Two clones created by Jin turned on him, put him in a coma, and started a criminal empire

They worked with the doctor, Kyudai Garaki, to create a way for them to be more resistant and the doctor said that they could gain that by using this stabilizers. But if they wanted full resistance they would have to kill Jin Themselves

At the same time, Jin was found by the heroes, woken up, and taken to U.A for protection

And Twice is even more traumatized than canon causing his quirk to be trauma blocked

(See the end of the work for more notes.)

Work Text:

Battle sounds rang out around Izuku. Goo, blood and bodies that Izuku didn't want to think about littered the battlefield of what once used to be U.A high school

He knew how things were going to go

He was given the option to leave, they all were

But he knowing something and thinking something are different things

He startled out of his trance with a jolt and started to run. He had no time to wait, he had to get to Jin and stop Twice

He kept running ignoring the battles around him. A laser being fired, a truck being dropped from the sky, the sound of engines and guns being shot

He runned until he got to the teachers dorm, or what was left of it

The once tall building now was left in ruins. The door burst open, the windows shattered and one the towers collapsed

Buried in the debris was a familiar masked man with a cowboy hat. But Izuku didn't have the time to check if Snipe was okay

Snipe was dead, he already knew it

If Jim wasn't here, then he would have been evacuated towards the hidden exit

Izuku hoped it was not to late and started to run again

He passed by a few clones that tried to attack him but a few bullets were enough to disperse them

They were just cannon fodder, not as resistant as the leaders, as Twice

Izuku kept running while a glacier erupted somewhere on his right and Nejire-Senpai was shot out of the sky

He runned, ignoring the destruction, until he found who he was looking for

Jim was on the ground, holding his bleeding arm. His eyes scared and frantic

In front of him was dad, or better known as the pro hero Ectoplasm, fallen on the floor. His prosthetic legs cut in half and his mask cracked, showing his brown eyes and brown hair

And standing over Dad was Him

The one responsible for all this destruction

Twice

He was wearing his usual attire. A black bodysuit with grey lines, matching grey boots, red measuring tapes on his wrist that doubled as whips, a red katana strap that crossed his chest and a sky mask that was black at the bottom and grey at the top, with white lenses over the eyes

And mostly important, he had a katana raised and ready to strike his downed foe

Izuku didn't hesitate, he just shot the villain on his knees. The suit was resistant enough to not be pierced but he still stumbled

"Get away from him" screamed Izuku while opening his jaw and release a burst of grey goo that solidified around his right hand in a scythe-like shape

Twice blocked his attack with his katana and then swiped at him with his measuring whip. Izuku dodged backwards and shot a stream of goo towards him

Twice dodged and the goo fell on the floor before turning in another Izuku that attacked his opponent, while the real Izuku went to check on the victims

"Dad, are you alright?" Asked the boy worried while kneeling in front of his father

"I will be fine go help Bubaigarawa-kun"

Izuku nodded and went toward the other victim

"Jim-kun, are you okay?" He asked cautiously. Jim had his eyes wide open, looking towards the fight, he was not entirely there but he nodded

"Alright, then you need to leave. Twice and his doubles are after you" Said Izuku while making a clone of himself "follow my clone, he will protect you and guide you towards the emergency exit"

Izuku suddenly felt his connection to one of his clones snapping and looked towards the fight, to see his clone meeting with a cut through his body

It's seems the break was over, thought Izuku while walking towards his opponent and preparing to put an end to Twice, once and for all

_______________

Jim run like his life depended on it, because it does

The clone of Izuku-kun was a few steps after him, guiding the way to the exit

It's all Jin's fault, he knows it. If he had just killed himself the clones would have been dissolved and all of this wouldn't have happened. But he was selfish and everyone paid the price. He can't even do this now because his death will give the doubles exactly what they want

As Jin was lost in negative thoughts of self-loath and uselessness, a bullet hit his knee, causing him to fall on the floor

"Jin!" Exclaimed the Izuku clone, putting himself between Jin and the approaching figure

"Well, well, well" said Duo with a sneer on his face "I just hit Jackpot, did you really think you could run, First?"

Duo stopped a few feets in front of them, holding a gun in his right hand. He wore a jumpsuit that was split in half, grey on one side and blue on the other. His boots followed the same color scheme while his toolbelt was black with a holster for a gun and a knife

"Stay away from him" Said Izuku 2

"Ah, it's you" Said Duo while smiling menacingly "normally I would give you the option to run. But you have been a real nuisance on our side, so you can just die!"

He shot at Izuku that protected himself with his bulletproof coat and started to shoot back

They started to exchange bullets while Jin hid behind, until Duo found an opening and shot at him

"No!" Izuku jumped in front of the bullet and deflected it with his overcoat, but this gave Duo the opening he needed and he shot the clone in the head causing it to dissolve

"So it was only a clone huh" Duo started to approach his victim, gun resting at his side "I thought it was weird be wasn't using his quirk but this explain"

He then looked at Jin and pointed the gun

"Now, sweet dreams, First" he sneered and pressed the trigger

__________________

Meanwhile with the real Izuku

He and Twice kept exchanging blows, while he created clones and controlled goo

He created a tentacle from a pile and wrapped it around Twice feet while rushing in with his scythe

Twice cut the goo with his whips and parried the attack with his katana. Counter attacking with a punch that was blocked by goo while a spike tentacle pierced him from behind

The tentacle didn't went deep but it was enough to make him stumble and allow Izuku the chance to attack him, hitting the Katana and sending it spiraling through the air

Twice countered with a whip attack that slashed Izuku while creating another katana

Izuku blocked the attack while forming another clone that started to shoot. Twice decapitated the clone with a whip while paring Izuku attack

Ectoplasm was helpless to watch as his son risked his life against a villain even he wasn't able to defeat, he wanted to help him but every clone he created would be legless like him

While Ectoplasm wallowed in worry, he noticed something to his side

While in the fight things suddenly took a turn for the worse

Twice started to force Izuku on the defense. He blocked any strike with his scythe but couldn't control the goo because he needed to focus completely on defending himself

Twice started to pick up the pace and while on the middle of an attack he pressed a button on his katana, that caused it to start flowing red hot

Ectoplasm noticed it and tried to warn his son, but it was to late

The katana went down. And Izuku, in the middle of a block, could do nothing while the Katana sliced clean trough his Scythe and cut his arm

The wound was immediately cauterized but blood still spurted, mixing with the fallen goo and arm

Izuki fell on his knees in pain while holding the stump. He couldn't see but Twice smiled mockingly beneath the mask

"Goodbye hero" The Katana strikes and hit it's target

________________

The bullet flew and hit a pile of goo that was leaving Jin's hand. The goo formed in a perfect double of Izuku that spit slime at Duo's face

"What!" Said Duo after dodging "I tought your quirk was blocked"

"It seems that not anymore" Responded double Izuku creating two clones of himself while Jin created another double

The fight started once again, the two Izukus attacked Duo with a Hammer and a spike respectively while the clones gave ranged support

Duo shot with his gun and slashed with his knife, but it ended up being to much. He was shot at the knee and stumbled, only to receive another shot on his gun-wielding hand, he was smashed by a hammer on the head and had his other leg pierced by a spike

The Izukus kept attacking until there was only a costume filled with goo and a blinking machine

________________

Izuku world was pain

His arm, or what was left of it, pulsed

He saw Twice standing over him, about to swing his katana down and he tought that was it

He looked away and brought his remaining arm up in a futile attempt at defense, while bracing himself for the pain

Except it never came, there was only a squishing sound

He cautiously lowered his arm and looked up. To see Twice with his own katana piercing his stomach from behind, and holding said katana was

"Dad!" "You!"

Ectoplasm was there, one hand holding the katana while smiling from his place in the ground

Twice looked at him with hate filled eyes and raised his weapon to put an end to on of this pests

Only for the katana to turn into sludge into his hands and splash onto the ground

He looked at it with terror

"No no no no" he repeated while looking at the puddle, suddenly he raised his hands to see them deflating "no nO NO NO!"

He screamed frantically while walked backwards and slipped on the goo in the ground. He tried to get up but his legs started to deflate, sludge leaking fromt the boots opening

"NO! NO! NO! I DON'T WANT TO DIE" he screamed in terror as his body progressively melted "NO! NO! NO! NO!"

While he screamed and begged, his voice turned more garbled until it stopped, the mask from the costume deflating and sludge leaking out of the eyes

Izuku cautiously approached the bodysuit and kicked it gently. When nothing happened, he put his hands over the mask and ripped it, to reveal nothing but a pile of goo

"It's over" he said while smiling at his father

Notes:

Izuku Quirk:

Telekinetic Goo

He can spit out a goo substance that can turn into clones of him, just like his father

But because of his mother telekinetic quirk, he can also control the goo and harden it

Series this work belongs to: