The week leading up to the final exams was a frantic blur of desperate preparation, but the burden of academic survival was felt differently across the city.
In the high-end, tea-scented halls of the Yaoyorozu estate, a small group of students sat huddled over sprawling mahogany tables that gleamed under the crystal chandeliers. Sero, Ojiro, and Kyoka Jiro were drowning in advanced mathematics, their eyes glazed over with exhaustion. Beside them, Mina Ashido struggled to keep her notes organized as Yaoyorozu Momo patiently explained the intricacies of theoretical physics.
"My brain is officially leaking out of my ears," Kaminari groaned, his head dropping heavily onto a massive textbook. "Momo, please... tell me there's a shortcut to understanding Hero Ethics. I can't feel my fingers anymore."
Yaoyorozu paused, her pen hovering over a notebook as she adjusted her glasses. "There are no shortcuts to being a hero, Kaminari-kun. We have to be as sharp mentally as we are physically if we want to protect the public."
Mina looked up, her pink skin flushed from the heat of the study session. "Wait... where's Zoro? I thought he was supposed to join us. Doesn't he need to pass the written exam to stay in the hero course?"
"He won't be joining us, Ashido-san," Yaoyorozu answered softly, a hint of concern in her voice. "The administration has made an unprecedented decision. Because Zoro is being placed in a solo practical exam against a Top Ten Pro Hero, he has been officially exempt from the written portion."
The room went dead silent. Kaminari's head snapped up, his eyes wide. "Exempt?! That's not fair! Why do I have to suffer through physics while he gets to skip the whole thing?"
"It's not a gift, Kaminari," Ojiro muttered, his large tail twitching nervously under the table. "Think about it. He's facing a Top Ten hero alone. Since he isn't taking the written exam, his entire final grade rests 100% on that duel. If he loses... he fails the entire semester. No exceptions."
While the group at Yaoyorozu's felt the chill of that massive gamble, the rest of the class was pushing their own limits. Tenya Iida was a lone blur on the local running tracks, his legs moving in a rhythmic, high-speed stride as he held a law textbook open in his hands, reciting hero regulations aloud to the mechanical beat of his engines. Across town, Izuku Midoriya remained sequestered in his bedroom. Sweat dripped from his chin as he performed one-handed pushups, his other hand holding a study guide against the floor. Every few minutes, he would swap hands, alternating between mental memorization and the physical maintenance of his Full Cowling. Even in the nearly empty school cafeteria, the tension was palpable. Standing over a corner table, Bakugo loomed like a thundercloud over Eijiro Kirishima. While the red-haired boy sat hunched over a practice exam, his pen trembling as he tried to focus, Bakugo barked relentless, angry corrections at every misplaced Kanji character. He wasn't laughing; he was vibrating with a strange, aggressive energy, his palms sparking with faint pops of nitroglycerin that filled the air with the sharp scent of burnt sugar.
Far from the academic panic, the air in the dojo was thick with the scent of old wood and incense. Zoro stood in the center of the dark room, his shirt discarded. His chest was wrapped in white bandages, but a faint crimson smudge was already beginning to seep through the fabric. He gripped the Sandai Kitetsu, his eyes shut in intense concentration. He was trying to force the shimmering "Flow" to condense, to turn the steel black, but the energy remained erratic, flickering like a dying candle.
"You were told to rest," Kenji's voice cut through the silence. The old man sat on the porch, a wooden pipe held loosely in his hand. "That wound hasn't even begun to scar. You're going to tear yourself open before the exam even starts."
"I don't have time to rest," Zoro grunted, his breath coming in ragged bursts. He lowered the sword, turning his sharp, intense gaze toward his master. "There are too many shadows in this story, Kenji. You and that old man Shimotsuki... you're both hiding too much."
Kenji took a slow pull from his pipe, the embers glowing in the twilight. "What brought this on?"
"All Might," Zoro stated flatly. "He told me about Shimotsuki. He told me about the history of the swordsmen and their alliance with his power. He even knew about the Haki." Zoro's eyes narrowed, his voice dropping an octave. "He talked about All For One. You've been my teacher for years, and you never said a word about any of it."
Kenji remained silent for a long moment, the gray smoke curling around his head. A faint, nostalgic smile touched his lips. "All Might... so he's finally decided to lay the cards on the table. He knows more than most, that's for sure."
"You knew him?" Zoro asked.
"I knew of the weight he carried," Kenji replied, looking up at the moon. "And I know Shimotsuki hasn't changed the old mule never did like talking about himself. Look, Zoro, I didn't keep these things from you to lie. I wanted you to keep your focus on your dream. The path of the greatest swordsman is already hard enough without the ghosts of a two-hundred-year-old war haunting your every step. You'll learn the rest when the time is right."
Zoro let out a short, cynical laugh, sheathing his sword. "You and that old man... you're both like deep wells. I can't even see the bottom."
The following week vanished in a grueling haze of relentless training and sleepless study sessions. For Class 1-A, the pressure culminated in the dreaded three-day written exam period. The classrooms were filled with the frantic scratching of pens and the heavy, suffocating silence of intense focus. While the rest of his peers sat through agonizing hours of testing, Zoro remained entirely absent, sequestered deep in the dojo to prepare for his ultimate trial. Finally, the written exams concluded, and the morning of the Practical Exam dawned.
The students of Class 1-A stood in a neat line, their costumes shimmering under the bright sun. Facing them stood an intimidating lineup of U.A.'s teaching staff veteran Pro Heroes ready to push the teenagers to their absolute limits. Shota Aizawa stood at the center, his hands in his pockets, his eyes scanning the group with their usual tired intensity. One by one, Aizawa announced the pairings. Midoriya and Bakugo against All Might. Todoroki and Yaoyorozu against Aizawa himself. The tension rose with every name called, as each duo locked eyes with the formidable teacher standing right in front of them. Finally, only one student remained.
"And for the final match," Aizawa stated, his voice cutting through the murmurs. "Roronoa Zoro. You will be heading to Ground Omega. Your opponent is not standing here with us today. He is waiting for you there. You will face the Number 8 Hero, Yoroi Musha."
A heavy, suffocating silence fell over the class. They already knew about the exemption and the solo match, but hearing it made the reality crash down on them. A first-year facing a Top Ten Pro Hero alone. Standing in the back row, Midoriya narrowed his eyes, his mind racing at lightspeed. Yoroi Musha? Why him? He remembered the secret meeting in the lounge. He remembered All Might talking about Shimotsuki, the ancient clan of swordsmen, and the extinct power that All For One couldn't steal. Wait... Yoroi Musha is an old-school samurai hero. This isn't just a random exam. Principal Nezu and All Might orchestrated this specifically. They are testing his Haki.
A week before that moment, in the quiet of the U.A. staff observation room, All Might had sat across from Principal Nezu with his hands gripped tightly together. "Are you certain about this, Nezu? Yoroi Musha is... formidable. Facing him alone is too much for a first-year."
Principal Nezu sipped his tea, his black eyes reflecting the holographic screens. "Zoro's power is an ancient anomaly, All Might. We must protect him, and to do that, we must push him to evolve rapidly. Yoroi Musha is the perfect examiner."
"Besides," Nezu added, a sharp glint in his eyes. "Yoroi Musha has a secret. He claims his power is a 'Reinforcement Quirk' that hardens his armor. But we know better. He is one of the few veterans who still practices Haki in secret, disguising it as a Quirk."
Nezu turned to his computer, his paws moving quickly. "I am officially altering Zoro's digital file. I am marking him as having a 'Spirit Manifestation' Quirk. We must hide his true nature from the public records."
"What are the passing conditions?" All Might asked, looking at the screen.
Nezu took a slow, deliberate sip of his tea, a mysterious smile curving on his snout. "You will discover them in due time, All Might. For now, let us simply watch the culmination of his spirit."
The practical exams erupted across the various testing grounds like a coordinated war. Deafening explosions echoed from the simulated cityscape as Midoriya and Bakugo desperately tried to synchronize their chaotic rhythm against the overwhelming, sheer might of All Might. In the residential district, Todoroki and Yaoyorozu executed a flawless, desperate strategy to bypass Aizawa's Erasure. Across the varied terrains, the students of Class 1-A faced their absolute limits, fighting through exhaustion, fear, and pain. Slowly, the booming sounds of combat began to fade as the matches concluded one by one. The dust settled over the school, leaving only one final, isolated test remaining.
A dust-laden wind swept through the crumbling stone pillars of the arena. The silence was absolute. High above in the observation room, Nezu and All Might watched the monitors with bated breath. Zoro stood in the center of the debris, tying his black bandana tightly around his forehead. Underneath his U.A. shirt, the crimson spot on his bandages had expanded. The thirty-minute timer loomed heavily over him. With his wound threatening to tear open completely, a prolonged fight was a death sentence. He needed to end this quickly.
From the shadows of a massive stone archway, Yoroi Musha emerged. He looked like a legendary samurai brought to life, his intricate armor gleaming under the sun.
"You are a fool, boy," Yoroi Musha spoke, his voice a deep, resonant rumble. "That wound on your chest says you belong in a hospital, not standing before me. Escape through that gate behind me. It is your only path to safety."
Zoro slowly placed the Wado Ichimonji in his mouth. He drew the Sandai Kitetsu and his third, ordinary blade. "Escape? I've walked a very long road to get here. And wounds on the chest are medals for a swordsman who faces his opponent head-on. Step aside, old man."
Zoro pointed his blade directly at the Pro Hero. "And drop the heavy weights. I know you're holding back. Face me with your full power."
In the observation room, All Might gasped. He's provoking him?!
Yoroi Musha's eyes narrowed behind his mask. "Arrogant."
Zoro launched himself forward like a cannonball. "Santoryu: Ogre Cutter!" (Oni Giri)
Zoro blurred into a streak of green and silver. But Yoroi Musha didn't even draw his sword. With a movement so fluid it was almost invisible, he shifted his weight and blocked Zoro's three-point strike using only his scabbard, coated in a dense, invisible Haki.
BOOM!
The impact sent a shockwave through the ground. Zoro was repelled backward, his feet skidding through the dirt. His eyes widened in genuine shock. What was that? his mind raced, staring at the old man's impenetrable defense. That density... it didn't feel like a normal physical block. Does he possess Haki too, or is that just the nature of his Quirk? Blood began to trickle down his side.
"Immense pressure... and raw, innate spiritual power," Yoroi Musha noted. "But look at your third blade. It's trembling. It cannot withstand the sheer force you are trying to push into it."
"Shut up!" Zoro roared, the blood spot on his chest widening. "I'll make it hold!"
Knowing the clock was ticking, Zoro focused every ounce of his spirit. A shimmering, transparent aura began to coat his blades. He lunged again, a vertical strike meant to split the ruins. This time, Yoroi Musha drew his blade.
"Then let me show you the truth of steel," Yoroi Musha declared. "Hardening!" (Koka)
In an instant, Yoroi's silver blade transformed into a pitch-black, glossy obsidian. Zoro's breath caught in his throat. A black blade. The very pinnacle of swordsmanship.
CLANG!
The sound of the collision was deafening. Zoro's teeth gritted so hard they nearly cracked.
"GUAAAH!" Zoro screamed as the physical toll hit him.
Under the overwhelming density of Yoroi Musha's black Haki, Zoro's ordinary third sword couldn't cope. It didn't just break; it shattered into a hundred jagged fragments that rained onto the stone. The sheer force sent Zoro crashing to one knee, gasping for air as blood heavily soaked through his shirt. Staring at the shattered, useless hilt in his hand, a wave of bitter frustration washed over Zoro. Dammit... not again! he cursed internally, his grip trembling with absolute anger. If I keep fighting like this, with this massive gap in my defense, one day the Wado and the Kitetsu will shatter too. I have to master coating my swords in Haki... I have to do it as fast as possible!
"It is over," Yoroi Musha said, slowly beginning to sheath his blackened blade. "Your sword is broken, and your body is failing. Go to the gate. You have proven your courage."
Zoro gripped the hilts of his remaining two swords, using them to slowly, painfully push himself back to his feet. His eyes were shadowed, dark and terrifying. "Nothing... is over... yet. A swordsman doesn't recognize defeat as long as his heart still beats."
Suddenly, a terrifying, feral aura erupted from Zoro. It was pure, concentrated killing intent a suffocating pressure that hit the air like a physical wave. Zoro no longer felt the wound. He only saw the edge of his blade. Feeling that monstrous intent, Yoroi Musha instinctively took a single step backward to brace himself.
BZZZZZZT!
The loud buzzer echoed through the ruins, signaling the end of the thirty-minute exam. Zoro slowly lowered his trembling blades. The adrenaline began to fade, replaced by a crushing wave of frustration. He hadn't escaped through the gate, nor had he managed to cuff or defeat the examiner. By the standard rules of the practical exam, he had failed. He had lost the gamble.
"The exam is over," Nezu's calm voice echoed over the loudspeakers. "And the hidden conditions for victory have been successfully met. Roronoa Zoro passes."
Zoro blinked, his ragged breathing stalling in his chest. Hidden conditions?
Up in the observation room, All Might stared at the monitors in absolute shock. Nezu finally set his teacup down. "Given the massive power gap, the standard rules do not apply to this specific match," Nezu explained, his voice broadcasting a recording of their earlier, secret conversation over the ruins. "Zoro does not need to defeat the Number 8 Hero. If he can endure the strict thirty-minute time limit, and simply force the veteran to take a single step backward out of sheer pressure... it will be considered a total success."
Down in the dust, Yoroi Musha looked at his own feet. He had retreated. A Top Ten Pro Hero had been forced to give ground to a wounded teenager. Yoroi Musha walked over to the boy. He didn't look at him with pity, but with profound respect. From his waist, the Number 8 Hero unclipped a sword a beautiful blade with a brilliant edge and an elegant black scabbard.
"Yubashiri," Yoroi Musha whispered.
Zoro looked up, his breathing still heavy. He took the sword with a blood-stained hand. "Why?"
"Because your third blade was weak. It lacked the spirit to match your madness," Yoroi Musha explained. "Yubashiri is a blade that does not break under pressure; it flows with it. It is the speed your trinity was missing."
Yoroi Musha leaned in, his voice a low whisper. "I want to see the day you turn this blade black, Zoro. On that day... perhaps I will be the one who has to run from you."
The old hero turned and walked away into the dust. Zoro stood alone among the ruins, holding his new sword. High up on a cliff overlooking Ground Omega, Bakugo stood with his fists clenched so tight they were bleeding. He hadn't said a word, but the sight of Zoro standing his ground against a Top Ten Hero and earning a legendary blade from him ignited a fire of pure, unadulterated envy and drive in his chest.
The exams were over. But the era of the three-sword legend had officially begun.
.
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