The twin fists of god and god-slayer erupted at the same moment, forging a grand victory that made heaven and earth collapse.
"This power!?"
Dark Aisha and Kaima, both lightweight in build, were pushed back again and again by the shockwave alone.
Let alone Seto Kaiba, who had taken the strike from god and god-slayer head-on.
"(°Д°) With that level of impact, Kaiba isn't dead, right?!" Dark Aisha exclaimed.
"This isn't a Shadow Game!" Kaima corrected her while feeling the immense force radiating from the battlefield. She couldn't make a firm judgment either. "He should… probably… maybe be okay?"
As the light of the converging wills faded, Kaiba—his Life Points reduced to zero—was shown kneeling on one knee.
Following the explosion of his overloaded AR headset, the Duel Disk on Kaiba's arm was glowing blue, arcs of electricity jumping across it as though it could break down at any moment.
In a state like this, one couldn't exactly say he was "fine."
"Miles…"
Kaiba's serious eyes locked tightly onto Miles—the man who had inherited the will of his eternal rival, the Pharaoh.
Even though the duel had ended, Obelisk the Tormentor and Divine Arsenal AA‑ZEUS remained standing behind Miles.
Due to the special power within the obelisk tower, these two colossal beings continued to exist within this spatial realm.
Then the next second, the ancient Egyptian scenery around them began to distort.
Kaiba frowned lightly. "The traversal system has reached its limit."
It had transported everyone into ancient Egypt from three thousand years ago, into a realm closest to the Underworld, and had then sustained a duel of this impossible scale.
For KaibaCorp's current level of science, this was the absolute limit.
And Kaiba understood as well: it was time for him to break the shackles that had bound him for three millennia.
"We're going back, everyone!"
Rising again amid the shifting scenery, Kaiba decided—at least for now—to stop obsessing over the Pharaoh of the Underworld.
If Miles had inherited the Pharaoh's deck and will, then Kaiba's duty was clear: defeat him first.
"Indeed, it's time to return, Kaiba."
Standing between Obelisk and AA‑ZEUS—now holding the two most crucial cards—Miles knew it was time to leave.
Only, rather than returning to KaibaCorp… Miles had another place he absolutely had to go back to.
"Aisha, Kaima!"
"Miles?"
"Let's go back! To our world!"
"!!!"
Realizing his meaning, Dark Aisha and Kaima hurried to Miles's side, stepping between the Tormentor and Sky Thunder.
"What?" Sensing the deviation of the traversal pathway, Kaiba's expression sharpened.
The Blue-Eyes Girl, Kisara, explained, "Seto, you must have realized by now: Miles and the others aren't from this world."
There was no need for her to say it; Kaiba was no fool.
From the strange fantasy-style clothes worn by the girls to Miles's ability to use God Cards and summoning methods far beyond this era, Kaiba had long been certain.
Miles and his companions came from another world—or a parallel universe.
Regardless, compared to where Miles came from, Kaiba cared about something else far more.
"You win one duel, and you're already planning to run away, Miles?!"
What mattered more to Kaiba was that if Miles left, he would once again have no worthy opponent to duel.
There is no sorrow in life greater than this.
"Dueling with you was extremely fun, Kaiba," Miles smiled. "But… someone important is waiting for me to return."
"You…!"
"To protect someone important; that, too, is a duel, Kaiba! And right now, it's the most important duel for me!"
Now that he had obtained the two vital cards, Miles had no reason to waste even another second.
He had to return outside the obelisk tower. To end the war awaiting him there.
That was the true goal.
...
During the dimensional separation mid-traversal, the only ones who returned to the underground facility beneath KaibaCorp were Kaiba and Chi.
"Uh… what? What just happened?"
Only Chi, simpleminded as ever, still hadn't grasped the situation.
She hadn't even fully understood that Miles and the others came from a different world of swords and sorcery.
Kaiba, expression grim, surveyed the now‑empty underground chamber.
No Obelisk. No AA‑ZEUS. No Miles.
Then Kaiba muttered to himself: "So to you… there's an even more important duel, Miles."
"President, are you okay?"
For some reason, Chi sensed in the usually proud, untouchable Seto Kaiba… something like the loneliness of an empty‑nest elder.
"Chi!"
"Y-Yes, President!"
Kaiba's sudden authoritative call startled her.
"You saw it, didn't you?"
"Saw… what?"
"Idiot. As KaibaCorp's chief Deck Compatibility Specialist, don't tell me you didn't see the deck Miles was compatible with!"
Kaiba had personally recruited Chi and created her position.
Naturally, he fully understood—and intended to exploit—her extraordinary talent.
"Ah, so that's what President Kaiba is concerned about~ Let me think!"
Chi pressed her finger against her chin, tilting her head as she tried to recall.
"If you tell me you didn't see anything, say goodbye to this month's bonus."
"I saw it! I definitely saw it! Please don't cut my pay!!" Chi waved frantically.
Beneath the panic was genuine sincerity.
Because when she first met Miles, Chi had seen it.
Her gaze calmed, and she looked again at where Miles had once stood.
"I saw it. A hero. One capable of changing history, even the future."
"A hero capable of changing history and the future…"
Kaiba fell into silence for a moment—then, having made up his mind, strode out of the underground chamber.
"Kaiba‑sama!"
Jinno, who had been waiting at the door, hurriedly followed.
"Jinno, deliver my order!"
"Yes, sir!"
"Gather every person in KaibaCorp who has worked on parallel‑universe research. Bring them to my office!"
"Eh? …Yes, sir! Right away!"
Jinno had no idea what his boss was planning this time.
Even so, seeing Kaiba's unusual excitement, Jinno knew better than to question him.
….
Meanwhile, outside the obelisk tower, high in the battlefield sky—
The dimensional fissure shattered by the fists of god and god‑slayer was still expanding outward, releasing a blinding light and an indescribably mighty pressure.
...
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