The false moon seed at peace for one single instant. The fissure opened in the city was still smoking in the distance, and the colorful debris of the destroyed All Mights slowly spun through the void.
Then the world exploded in green.
A massive detonation tore through the surface of the false moon and rose in a column of nuclear light, swallowing entire blocks in an erald glare. The shockwave opened craters, ripped pieces off crooked buildings, and swept away giant All Might statues as if they were paper toys. The pressure crossed kiloters in every direction, deforming the white ground and raising walls of colorful dust.
From the center of the explosion, Ryo shot out.
He cut through the sky like a green flash, so fast that his passage left a bright, uneven trail behind. The aura around his body pulsed violently, rippling like liquid flas, and his eyes shone with a cold intensity as he changed direction in the air, trying to shake off the pursuit.
Behind him, dozens of All Mights were coming at high speed.
"GET THE VILLAIN!"
"JUSTICE ALWAYS WINS!"
"THERE'S NOWHERE TO RUN!"
In the next second, several of them opened their eyes at the sa ti.
Red beams fired toward him.
Ryo twisted his body in the air and narrowly dodged the first ray, which buzzed so close to his head that it tore away a few strands of his spiked hair. The beam continued in a straight line and, when it struck a massive mountain on the horizon, cut through it horizontally as if it were butter. The upper half of the mountain slid slowly for a second before collapsing entirely, exploding into dust and debris.
"Tch—"
Ryo dove between two crooked structures, using them as cover. The lasers pierced through the buildings without difficulty, opening incandescent tunnels through them, but the brief visual block was enough to delay the clones' tracking. Ryo erged on the other side with his fist already pulled back.
The first All Might to reach him took the punch to the face.
The clone did not rely explode into multicolored dust; the very mass of air around the blow collapsed and then detonated, creating a sphere of destruction that swallowed streets, buildings, and part of the nearby sky. The scenery looked as if it had suffered a city-level bombardnt from the pressure of his fist alone.
Another clone ca from the right with both arms raised, but Ryo spun his body and hit him with a cross to the chest. The explosion that followed opened a star-shaped crater in the ground below and destroyed an entire district of that toy city.
Three more charged at the sa ti.
Ryo moved first.
His eyes glowed.
One of them fired a laser directly at his face, and Ryo answered with his own gamma beam. The two blasts t in the middle of the sky with a deafening impact.
For an instant, it looked as if the two beams were asuring strength, until the collision collapsed and generated an incandescent, absurdly colorful sphere high above. The flash lit up the dinsion, and the pressure of the explosion descended over the area below like a storm, destroying blocks, lting buildings, and sweeping away dozens more clones running in the distance.
Ryo panted for half a second, hovering in the air.
Until a shadow dropped from above like a missile.
A red ogre All Might, wrapped in crackling blue electricity, appeared above him and landed a brutal dropkick on his chest. The blow hit Ryo head-on and dragged him downward, cutting through the sky and smashing both of them into the city.
The impact split the urban area in two, tearing the false tropolis in half. A colossal fissure spread across the ground like a scar, running all the way to the horizon.
The electric ogre stopped in the middle of the newly created canyon, rising amid the dust and laughing with All Might's distorted voice.
A green flash erged from below.
A massive blast pierced through the giant from foot to head and erased him from the map. Ryo floated up from inside the darkness of the fissure, his aura hissing around his body, his breathing heavier now.
"...They're getting stronger and stronger."
His gaze swept across the horizon.
Then he saw, at the far end of the split city, All Mights piling up by the thousands, fusing into one another to form a new monstrosity. The colossus that erged was so large it seed to touch the false sky. It crouched along the fissure, planting its hands on both sides of the broken ground... and began lifting the halves of the city as if it were closing a book.
Ryo narrowed his eyes before launching himself forward with everything he had.
Green rings appeared in front of him, aligned like invisible rails.
Ryo threw his body through them.
The Gauss Propulsion roared.
Each ring accelerated him violently, and the friction generated around his body began to set the air on fire. Buildings in his path simply lted seconds after he passed through them. Concrete ran like wax under the heat of his passage. All Mights who tried to intercept him had their bodies pierced, torn apart, or vaporized just by touching the thermal wake created by his speed.
Mach 248.
Mach 415.
Mach 773.
Sound disappeared.
The air in front of Ryo seed to beco solid, compressed to the extre, but he kept forcing the acceleration until the scale went insane.
Mach 1070.
He beca a pure green projectile.
The impact against the colossus's chest opened a gigantic hole straight through it. The monuntal creature froze for a second before collapsing into layers of dust and glowing blocks. Ryo did not stop. He continued in a straight line, cutting across the entire false moon with his accumulated speed.
The city began to die behind him.
Buildings lted en masse.
Streets liquefied.
Seas of All Mights were crossed through, and their bodies disintegrated after his passage, unable to withstand the heat and pressure. Ryo completed an entire lap around the false moon in an arc of fire, turning everything around him into a lava zone.
But then, a colossal All Might appeared directly ahead.
Two gigantic hands closed around Ryo in the air, stopping his charge by force. The shockwave from the contained montum spread backward like an ocean of devastation, destroying ruins and raising walls of earth.
Before Ryo could react, another giant appeared on the horizon holding an enormous baseball bat.
The first one threw Ryo like a ball.
The second swung the bat and struck him with everything he had.
The blow shot Ryo toward the horizon in a green trail, until he collided with a distant mountain. The explosion in the distance deford the entire landscape, and dozens of All Mights began erging from the ground and running toward the impact.
Among the mountain debris, Ryo stood up with difficulty.
His body hurt.
His breathing burned.
When he tried to take a step, his leg failed, and he had to lean on a broken rock.
"...These guys are worse than before."
When he raised his face, he saw a yellow blur crossing the city.
Seconds later, Dash appeared at his side, braking in a cloud of dust, with Bakugo unconscious on his back. The blond boy was breathing quickly, worried.
"Takeda! Are you okay?!"
Ryo let out a grunt as he straightened himself.
"Yeah. I've been through the sa thing..." He wiped the small stain of blood from the corner of his mouth with the back of his hand. "Only this one's worse..."
Dash pressed his lips together.
"It must be because Jack-Jack heard more about All Might's feats. Especially the one on I-Island."
Ryo turned his face toward him, raising an eyebrow.
"...What do you an?"
Dash looked away.
"Don't worry about that right now." He quickly looked up, tense. "Jack-Jack isn't listening to . So stay close to . I think the All Mights will think twice if I'm nearby."
Ryo let out a tired huff.
"I really doubt that..."
Even so, he planted his feet more firmly on the ground.
Dash continued, hurried:
"You just need to hold out until Jack-Jack gets tired. Nobody can get severely hurt here. Nobody gets hungry, nobody dies... because all of this is shaped by what Jack-Jack has already seen or experienced in the real world."
Ryo turned his body toward him abruptly.
"...Nobody can get severely hurt?"
He lowered his gaze to his own body.
He had bruises, superficial cuts, and felt absurd pain throughout his entire body.
But nothing truly serious.
His eyes narrowed, and a thought crossed his mind.
However, before he could dwell on it, the air in front of them vibrated.
Jack-Jack arrived.
The little boy floated above the destroyed city, and behind him ca another tide of clones, many other giants with several random powers. All of them were staring at Ryo.
Jack-Jack pointed straight at him.
"Get that guy! Get him! He's the strongest and anest!"
Dash widened his eyes.
"Jack-Jack, stop!"
But his little brother did not even look at him.
The All Mights advanced.
Dash bit his lower lip, tense, looked at the unconscious Bakugo, then at Ryo... and made his decision.
He crouched carefully and placed Bakugo on the ground.
Then he straightened up and stood in front of Ryo.
His body was still trembling, not from pure fear, but from the painful awareness that this could go very wrong.
Even so, he raised his fists.
"If that's how it is..." Dash said, swallowing hard, "...then I'm getting into this too."
And with that, the All Mights advanced like a storm of flesh.
The false moon trembled beneath their charge. Clone after clone leapt over craters, crossed ruins, climbed crooked buildings, and erged from cracks in the ground as if the dinsion itself were spitting out infinite versions of the Symbol of Peace.
Dash swallowed hard, but he did not back down.
He bent his knees, ready to run.
But the instant he was about to launch forward, sothing struck the side of his neck.
Dash widened his eyes.
"Huh...?"
His legs lost their strength.
Ryo was beside him, his hand still raised, his gaze fixed on the horde ahead.
"Sorry."
Dash fell forward, but Ryo caught him before he hit the ground. Carefully, he placed his friend beside the unconscious Bakugo.
"Rest for a bit."
High above, Jack-Jack saw it.
For a second, he did not understand.
Then he understood in the wrong way.
The childish face twisted.
"You hit Dashie..."
The entire dinsion began to tremble.
The false stars warped, stretching like wet paint. The crooked structures around them began to lt and rebuild themselves at the sa ti, as if Jack-Jack's mind had beco too furious to maintain a stable form.
"YOU HIT MY BROTHER!"
His voice echoed like that of a child screaming inside an empty cathedral.
Jack-Jack began to glow with a strong white light.
His skin, hair, clothes, everything was covered by a smooth, shapeless light. When the glow faded, he was a small white figure floating high above, almost without details, with only two black eyes fixed on Ryo.
Ryo stared at Jack-Jack for a few seconds.
Then he looked at his own hands.
He was not broken after everything he had taken.
"No one dies here..." he murmured.
He slowly clenched his fists.
The green aura around his body began to rise again.
"So maybe..."
The ground beneath his feet cracked.
"...I can try to release everything."
The energy exploded.
A colossal green fla enveloped Ryo, rising in violent spirals toward the sky. The air around him beca heavy, compressed, distorted by the pressure. Stones began to float. Giant blocks spun around his body before being crushed by the aura.
Ryo gritted his teeth.
The pain ca almost imdiately, but he ignored it.
Inner Transition — 7%
The aura beca denser.
The closest All Mights were pushed back by the pressure alone.
Ryo breathed with difficulty.
"More..."
8%
The green glow intensified. Small luminous lines began to appear on his neck and forearms, like thin cracks through which the energy was trying to escape.
"More..."
10%
The cracks opened.
Green light leaked through them.
Ryo felt as if every nerve had been turned into incandescent tal. His entire body scread for him to stop, but Jack-Jack's dinsion kept him together, preventing the pressure from destroying him completely.
An All Might leapt at him.
Ryo disappeared.
The clone turned to dust the next instant.
There was no visible movent.
Only the result.
The entire line behind him exploded in sequence, thousands of All Mights being pulverized by a single pass. In the next second, Ryo appeared before a colossus and landed a dropkick on its chest.
The giant torso folded.
Then it split in half.
The explosion tore the sky and launched the monster's upper half into the void.
Ryo was no longer there.
He moved like a flaw in reality.
To the clones, it looked like teleportation. To him, it was only speed, montum, and pain stacked on top of one another. Each punch erased a city. Each kick broke mountains. Each gamma blast scratched the horizon and left open green wounds across the false landscape.
The All Mights tried to respond.
At first, they could not.
Then they began to catch up.
An electric clone dodged an attack.
Another, wrapped in fire, partially blocked a punch before being obliterated.
A giant with tallic arms held Ryo for half a second.
Half a second.
It was enough for ten others to hit him.
Ryo was thrown through three crooked buildings, crashed through a tower of giant toys, and fell onto a cracked avenue. He stood before the dust settled, with more green lines opened across his chest and face.
"So that's how it is..."
The clones were evolving along with him.
Or worse.
Jack-Jack was adjusting the ga.
Ryo looked up.
The white figure watched in silence, black eyes fixed, unblinking.
Ryo smiled faintly.
"Then I'll rise too."
15%
The aura gained a more violent edge. Its pressure sank the entire avenue beneath Ryo's feet. The All Mights advanced, now mixing more than one power in their bodies: fire, ice, electricity, tal, eye beams, elastic arms, giant bodies, red ogres, versions with wings, versions with multiple arms.
Ryo tore through them all.
The false moon beca a green hell.
The surface was broken and rebuilt with every impact. Mountains collapsed. Seas of clones were vaporized. Cities appeared out of nowhere only to be destroyed seconds later. The sky distorted as if it were fabric being twisted.
The All Mights grew larger.
Ryo increased more.
22%
His body cracked up to his shoulders. Light flowed through the fissures like green magma. The pain was so strong that he almost lost focus, but a giant clone tried to crush Dash and Bakugo in the distance, and Ryo appeared there before the blow could fall.
With a single punch, he tore off the colossus's arm.
With the second, he erased its head.
"Don't even touch them."
The dinsion's response was imdiate.
The entire ground opened, and dozens of giant All Might hands erged from below, grabbing Ryo by the arms, legs, and torso.
38%
—GAMMA REBUKE!
Green swallowed everything.
For a few seconds, there was no sky, ground, or horizon.
Only light.
When the light faded, Ryo stood at the center of a colossal crater, breathing with difficulty. The All Mights had been erased in every direction.
Then the moon began to laugh.
Not Jack-Jack.
The moon.
The white ground moved.
The craters closed.
The mountains rose.
The destroyed pieces of the city were pulled upward and fused into a single mass.
The entire surface of the moon began to gain a face.
An All Might face.
Ryo slowly lifted his gaze.
"...You have got to be kidding ."
The false moon had transford into an All Might.
The mountains were muscles. The craters ford shadows on the face. Crooked cities beca teeth. Mountain ranges bent into veins. The colossus's smile covered the entire horizon.
His voice ca from every direction.
"I AM HERE."
The pressure of the sentence alone threw Ryo away.
He crashed into a floating city drifting nearby.
His body burned from within.
The aura faltered.
Jack-Jack floated above, small, white, silent, like the center of all of it.
Then he raised one hand.
A black-and-white beam descended from the sky.
Ryo felt it before he saw it.
The beam pierced through his left side.
His left arm vanished from the shoulder down in a clean flash, without blood, without flesh, without gore. Only absence. As if the dinsion had erased that part of him for a few seconds.
The pain, however, ca in full.
Ryo scread.
His voice was lost in the trembling of the moon.
His body almost fell, but he drove his right hand into the ground and kept himself standing.
His left shoulder glowed green, with unstable edges trying to reform and failing.
Jack-Jack stared at him with those black eyes.
Ryo breathed with difficulty.
Then he smiled.
Not a happy smile.
A broken smile.
"So now you've decided to cheat personally?"
The All Might moon raised a continental arm.
Ryo stood completely upright.
"Fine..."
The aura returned more violently.
Inner Transition — 50%
The cracks spread across his entire body. Green light leaked from his chest, his throat, his face, his legs, his empty shoulder. The moon trembled under the energy he released. Ryo launched himself toward the living moon, tearing through mountains along the continental arm and opening giant fissures across the lunar All Might's body.
But it regenerated.
The moon smiled.
More arms erged.
More faces.
More fists.
More All Mights.
Ryo was crushed, thrown, and launched again into floating islands. Each ti, he stood more cracked, more luminous, closer to the limit.
74%
The aura no longer looked like a fla.
It looked like a star.
Ryo advanced in zigzags across the surface of the All Might moon, each step opening a canyon. He grabbed entire mountains and threw them into the colossus's eyes, crushing them there before firing gamma beams through the false pupils. The impact exploded in green and gold.
The colossus scread.
Jack-Jack pouted.
More power was poured into the creation.
The lunar All Might grew.
Bigger and bigger.
Ryo felt his body fail in the air.
The empty left shoulder throbbed as if the arm were still there, burning in the place where it should exist.
"No..."
He raised his right hand.
"I still..."
91%
The world fell silent.
Ryo rose into the air, surrounded by an aura so dense that it no longer seed like energy, but solid matter. His eyes were two green suns. The cracks across his body shone like broken constellations.
The All Might moon launched all of its arms at once.
Continental fists ca from above, from the sides, from below, from every angle.
Ryo disappeared.
The first arm was cut.
The second pulverized.
The third broken and then thrown against the moon.
Each impact opened green lines that destroyed lunar matter like paper. The colossus tried to close its jaws around him, but Ryo appeared before the gigantic face and raised his right hand in a striking position.
Energy concentrated along the side of his palm.
He did not think.
He did not asure.
He did not calculate.
He simply brought his arm down in a karate chop.
100%
The moon was split in half.
A green line crossed the entire body of the lunar All Might, from the sky to the false core, and the moon opened into two gigantic halves. The cut was so clean that for an instant the two parts remained motionless, before being separated by a deep abyss.
Ryo remained floating before the division.
His entire body cracked.
Without his left arm.
Breathing as if every second were a battle.
Then the pain reached him all at once.
His eyes lost focus.
"...Ah."
The aura went out.
And Ryo fell.
He plumted between the two halves of the split moon, sinking into the dark abyss created by his own attack. Above, the light of the false stars grew more and more distant. Around him, the darkness grew, swallowing everything.
His body no longer responded.
His mind was also beginning to fail.
"So... this is the limit..."
Sothing moved in the darkness below him.
Ryo tried to open his eyes.
A hand stretched toward him.
It was not Dash's.
It was not Bakugo's.
He looked like... a shadow.
A shadow that resembled him.
It fell into the abyss with him as if it had always been there, waiting.
Ryo could barely focus on it.
The dark hand approached.
Above, the dinsion changed again.
An absurdly colossal All Might erged outside the split moon, larger than the celestial body itself. He wrapped the two halves in his gigantic hands and began to close them against each other, as if he were putting the two halves back together.
The halves collided.
The moon groaned.
The colossal All Might applied more force.
The moon was crushed in his hands.
Jack-Jack floated in the distance, silent, black eyes fixed on the point where Ryo had fallen.
For an instant, it seed the battle was over.
Then green fissures appeared between the colossus's fingers.
Jack-Jack blinked.
The light grew.
The cracks spread across the gigantic palm, the wrist, the arm, the chest of the colossal All Might. The glow escaped in thin lines, then in jets.
The colossus tried to contain it by squeezing harder.
Too late.
The crushed moon exploded.
A massive green light was born inside the giant's hands, expanding like a newly created sun. The flash illuminated the entire ntal dinsion, erasing false stars, floating toys, and distant clones in a single silent wave.
The colossal All Might was swallowed.
His body disappeared inside the green star.
The shining sphere grew.
Then contracted.
Layers of light began to fold inward. The star beca a compressed, unstable mass, spinning violently. The green beca darker, deeper, as if the light were being devoured by itself.
For an instant, it beca a black hole.
Then it too began to shrink.
Compress.
Collapse.
Until only a single tiny point remained.
That point was on Ryo's left shoulder.
Or on what seed to be Ryo.
?ͨ̊͊̃͗͑͏̶̡̣͎̥̝͢?̃̎̓̈́̄͏̵̢̛̳̥͕?͖̖̥̉̇̓ͯ́̽͘%
He floated in the void where the moon had been destroyed.
But he no longer looked the sa.
His skin had a negative green tone, almost black, but charged with erald luminosity underneath, as if the light ca from within and not from outside. His hair was completely green, simple, flat in color, without details, raised and softly waving like a subrged fla.
The aura around him no longer exploded.
It dissolved into particles.
Green particles floated around his body, like a fragnted aurora enveloping his silhouette.
In place of his left shoulder, there was a small black hole.
It crossed part of his shoulder and chest, sohow connecting the rest of his left arm to his body. The arm was there, natural in position, but that absolute void existed between it and the shoulder, space distorting between them.
Nothing was pulled in.
Nothing.
It was as if the black hole had no event horizon at all.
Zero...
Zero Horizon
"Ryo's" eyes, consud by an intense green light, stared gently at Jack-Jack.
There was no threat in his gaze.
And maybe that was what made it more frightening.
Jack-Jack faltered.
Only a little.
The entire dinsion glitched.
Buildings flickered.
The sky went out and returned.
Jack-Jack gritted his teeth, irritated by his own fear.
"Just lose already!"
He raised both hands.
The space beside Ryo tore open, and a massive black hole was born there, far larger than anything Jack-Jack had created before. Gravity distorted everything around it. Toys, buildings, pieces of All Might, and rocks were ripped from their places and sucked into a spiral.
Dash and Bakugo, still far away, remained protected by a strange fold in the dinsion's space, as if Jack-Jack's own mind refused to hurt them.
But "Ryo" was pulled.
His body slowly slid toward the event horizon.
He did not resist.
He rely stared at the black hole as he was carried away.
Jack-Jack smiled, regaining his confidence.
"Got you!"
"Ryo" was swallowed.
The black horizon absorbed him.
Jack-Jack raised his arms.
"I won!"
But then, the black hole began to tremble.
Jack-Jack's smile disappeared.
The dark sphere shrank.
First a little.
Then more.
Then abruptly.
The entire mass was compressed inward, contracting in violent pulses until it revealed "Ryo" at the center, completely intact. He held the black hole in his right hand, small now, trapped between his fingers like a golf ball.
The event horizon, previously white, began to gain a green tone.
"Ryo" looked at it with curiosity.
The aura particles danced around his hand.
Then he raised his face toward Jack-Jack.
The little white boy recoiled in the air.
Ryo extended his hand.
The black hole remained suspended between his fingers.
The green light of its event horizon intensified, filling the edges of the void. The space around it began to fold in spirals, and everything in the dinsion seed to be pulled not inward, but toward the aim of that tiny point.
"Ryo" lightly closed his fingers.
The glow consud the entire place.
An absolute calm fell over the false reality.
Then he spoke, quietly.
Hollow...
He opened his eyes.
Green
----------------------------------------
The courtyard fell silent.
Plates of curry were still steaming on the tables.
A few spoons fell to the ground.
Pony stood frozen, her hand moving to her chest.
"Dash...?"
Midoriya stared at the empty space where the portal had been.
Dash, Ryo, Bakugo, and Jack-Jack had vanished.
For a few seconds, no one managed to react.
Then panic ca all at once.
"What was that?!" Kaminari shouted, nearly dropping his own plate.
"Where did they go?!" Mina asked, looking around as if the portal might reappear in another corner.
Kirishima took a step forward, his fists clenched.
"Bakugo!"
He looked at the place where the rift had disappeared, then at Midoriya.
Midoriya still had Full Cowling active, green sparks running along his arms as his breathing ca out fast and heavy. He had stopped a few ters from the point where the portal had vanished, his hand still extended into the empty air.
"I almost..." he murmured.
Uraraka ran up to him.
"Deku-kun!"
"I almost reached them..."
"Midoriya," Iida called, trying to keep his voice steady despite the tension. "Do not bla yourself! The portal simply closed too quickly..."
Midoriya clenched his extended hand until his fingers trembled.
"But they..."
Pony took a shaky step forward.
"Dash-kun..." Her voice ca out small. "He's going to co back, right?"
No one answered.
On the other side of the courtyard, Violet and Tony were already running over.
Violet arrived first, her face pale and her eyes wide.
"What happened?"
Aizawa arrived at the spot and turned to her, serious.
"It looks like your little brother took 3 of my students through a portal."
Violet went still.
"Jack-Jack?"
Tony stopped behind her, looking at the empty space as his expression grew heavier and heavier.
"Ah, shit..."
Violet turned to him.
"Tony."
"I didn't know it would end up like this..."
"Tony, did you give him the cookies?"
"Y-Yes..."
Violet clenched her fists.
Before she could say anything else, the air crackled.
Everyone fell silent.
At the sa point where the portal had disappeared, a rift began to open.
Small at first.
Then larger.
The edge glowed with impossible shades, blue, purple, gold, and white, swirling like water seen in a reflection. The space around it distorted, pulling in leaves and dust.
No one moved as silence took over the courtyard.
Then the sound of a footstep echoed.
A leg ca out of the portal.
The foot touched the courtyard ground, raising a small cloud of dust.
Then the rest of the body passed through the rift.
Ryo stepped out of the portal.
But the sight made everyone hold their breath.
The fabric of the upper part of his shirt had almost completely disappeared, leaving only torn pieces clinging to his waist. His skin was marked with dust, small scratches, and light stains, but no actual wounds. Still, the destroyed clothing said otherwise.
In his arms, he carried two bodies.
Bakugo was supported on one side, unconscious, his uniform scorched and torn.
Dash was on the other, also unconscious, his face exhausted and his clothes wrinkled, as if he had gone through an entire storm.
Ryo looked at the group in front of him, breathing heavily.
"...I'm back."
----------------------------------------
🌌
(A/N: Damn, Jack-Jack sagas are always crazy to write, but also a lot of fun to make. Don't think Ryo got a power-up. He still can only control 5%. Jack-Jack's dinsion doesn't allow anyone to die or get severely injured. Unless Jack-Jack himself does it, of course.
In this chapter, I just wanted to show a little of Ryo's potential, with the addition of sothing else, of course. What was that shadow? I don't know, but those who really know MHA probably already have the answer.
That thing is him, it's part of him, but... it also isn't? Confusing, right?
Zero Horizon is the na of that final form. I don't know if it sounds cool, but I hope you like it.
And before I go, who do you think won?
Jack-Jack.
Or Ryo?
See you in the next update!)
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