After activation, the Reverse Four Symbols Sealing Technique draws everything within a radius of several dozen meters into the user's body, sealing it away completely.
However, the cost is absolute—the caster dies once the jutsu is complete.
In the original timeline, Danzo Shimura would later use this very technique to seal a bridge during his final battle, taking his own life with it.
He had finally become Hokage—only to die sealing a bridge.
But this time, he had gravely underestimated Aoyama Ryuyun.
"Boom! Boom! Boom!"
Under Danzo's wary gaze, Aoyama Ryuyun casually waved his hand.
The world responded.
The ground trembled, and the rock flows that had reshaped the landscape slowly receded.
Within moments, the terrain returned to its natural state, as though nothing had ever happened.
That power—to mold the land with a mere gesture—was precisely what Danzo feared most.
Ryuyun's tone was calm but final.
"The scenery here is beautiful. You should consider it a fitting final resting place."
"You—!"
Danzo's tiger-like eyes blazed with fury.
Before he could utter another word, massive rock pillars burst upward around him.
The earth surged violently, crushing inward.
It happened too fast. Danzo Shimura had no time to counter.
Even in death, his eyes remained open, glaring defiantly at Aoyama Ryuyun.
"Heh."
Ryuyun chuckled softly.
Danzo had been strong—a Kage-level shinobi, cunning and ruthless.
But before a monster like Aoyama Ryuyun, even that level of power was meaningless.
He didn't bother erasing the evidence or concealing the scene.
Turning his back, Aoyama Ryuyun simply rose into the air and flew toward Konoha.
---
"Lord Liu Yun?"
By the time he landed at the village gate, the Chūnin guards had already noticed him.
They exchanged puzzled looks.
He'd been gone for barely half a day. Hadn't he said this was a special mission?
Why was he back so soon?
"The mission is over," Ryuyun said with an easy smile, holding up a scroll. "So I came back."
The guards blinked, impressed.
"As expected of Lord Golden Lion! Even a special mission ends quickly in your hands!"
They didn't question him.
To them, Aoyama Ryuyun was a hero—someone who could do no wrong.
After a brief identity check, they let him pass.
"Lord Liu Yun, where will you go now?"
"Of course, to report my mission to Hokage-sama."
"Hokage-sama will be delighted to hear it!" one guard said proudly.
Ryuyun paused, smiling faintly.
"Delighted, hm?"
The two guards looked confused. "Is something wrong, Lord Liu Yun?"
"Nothing at all."
He waved them off, his smile widening.
"Actually, I believe Hokage-sama will be very happy."
Laughing lightly, he strolled back toward the village, leaving the guards scratching their heads.
They shrugged and resumed their post, never realizing the irony in their words.
'Happy? He probably wishes I were dead,' Ryuyun thought.
But it didn't matter. Whether Hiruzen Sarutobi was pleased or not was irrelevant.
What mattered was that Aoyama Ryuyun was pleased.
---
"Hokage-sama, this is the mission report."
In the Hokage's office, Ryuyun placed a scroll neatly on the desk before Hiruzen Sarutobi, smiling as if nothing in the world was amiss.
Hiruzen accepted it, studying Ryuyun's calm face.
No visible injuries.
No torn clothes.
No trace of chakra fatigue.
What happened to Danzo?
He forced a cough, masking his unease behind his usual benevolent façade.
"You've worked hard, Liu Yun. Take a well-deserved rest."
"Yes, Hokage-sama."
Ryuyun bowed politely, then turned to leave.
When the door shut behind him, the kind expression on Hiruzen's face vanished instantly.
His brows furrowed, and a shadow crossed his eyes.
The scroll Ryuyun had delivered sat unopened.
He tossed it aside. It was meaningless—clearly a decoy report.
"Someone!"
A dark figure flickered into existence before him.
"Lord Hokage."
"Go," Hiruzen ordered coldly. "Investigate the area where Aoyama Ryuyun conducted his mission. Report back immediately."
"Yes, Hokage-sama."
The Anbu vanished.
---
Thirty minutes later, the same Anbu returned—his movements rushed, his breathing uneven.
"H-Hokage-sama!"
Hiruzen's gaze sharpened. "What happened?"
The Anbu hesitated. Even through his mask, his panic was palpable.
"They're all dead..."
Hiruzen's heart skipped a beat. "What did you say?"
"Elder Danzo... and the entire Root unit. Every one of them is dead!"
"What!?"
Hiruzen surged to his feet, his chair toppling backward.
The air in the room grew heavy.
"Tell me everything you saw. In detail!"
"Y-Yes!"
The Anbu swallowed hard and began to recount what he had witnessed.
For a long moment, the Hokage's office fell into utter silence—only the sound of the clock ticking could be heard.
The shadow of death hung heavily over Konoha.
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