One Piece : Marine Scientist

New World

A pirate ship was swiftly sailing across the waves.

It was Doflamingo's personal pirate ship.

Today was the scheduled date for the new transaction with Kaido.

In the past, Jack would always handle the trade.

But now he was still imprisoned in Impel Down, so Doflamingo had to personally escort the goods to Onigashima.

Suddenly.

"Buru buru…" His Den Den Mushi rang.

"Young Master, it's Vergo calling."

Hearing Sugar say this, Doflamingo's heart skipped a beat.

Recently, the news brought by Vergo, who was undercover in the Marines, had been nothing but bad.

He was afraid that Vergo might deliver yet another piece of bad news.

But he had no choice but to answer.

After all, knowing bad news in advance was better than being forced to accept it unprepared.

Doflamingo answered the Den Den Mushi.

"Doffy, something terrible has happened!"

As soon as the call connected, Vergo's urgent and slightly panicked voice came through.

Doflamingo's heart sank as he quickly asked.

"What happened?"

"Just a few days ago, the Marines successfully used Kaido's Lineage Factor combined with Admiral Akainu to develop a Seraphim of Admiral caliber!"

"WHAT?!"

Doflamingo's heart trembled.

Admiral-level!!

He had no means to resist something like that!

If even one Admiral-level Seraphim were sent after them, he and all the Donquixote executives would be finished!

"Damn it… Can these things be mass-produced?"

What Doflamingo feared most was that such terrifying weapons could be produced in large quantities.

If that were the case, his time as a Warlord would truly be over.

No—the entire Great Pirate Era would likely come to an end!!

Just imagine, if Admiral-level Seraphim were deployed en masse, what force on the seas could possibly stand against them?

"Doffy, as far as I know, mass production isn't possible yet."

"I heard creating Admiral-level Seraphim requires blood samples from Yonko-level figures. The Marines have already used up Kaido's blood sample from last time."

Hearing this, Doflamingo let out a heavy sigh of relief.

At least that was some small consolation in this misfortune.

However, Vergo's tone suddenly shifted.

"But the Marines have already begun taking action to collect blood samples from people with Yonko strength."

"Originally, they planned to target Kaido again, but then they immediately thought of the legendary prisoners in Impel Down and headed straight there."

"They're targeting Bullet and Redfield to extract blood samples…"

Doflamingo's expression darkened upon hearing this.

He couldn't help but grit his teeth. "Would they just comply willingly?"

The moment he said it, he realized how foolish the question was.

Those proud warriors would never willingly submit to the Marines' demands.

But then again, no matter how strong they were, they were still prisoners now.

Dealing with them would be far easier than confronting Kaido!

If they refused, the Marines could just use force.

"Doffy, of course they refused. But Leon made a wager with them—a newly developed Admiral-level Seraphim named Sakai would fight Bullet in a duel."

"If Sakai lost, Bullet would be freed from Impel Down."

"But if Sakai won, Bullet would have to willingly provide blood samples from then on…"

Doflamingo's expression hardened and he immediately asked anxiously.

"Did Bullet win? As a powerhouse from the old era, a member of the Pirate King's crew, and known as the Devil's Heir, he should have been able to defeat a newly created Seraphim, right?"

"Unfortunately, he lost."

"The strength of Admiral-level Seraphim far surpassed everyone's expectations. From what I've gathered these past few days, Admiral-level Seraphim not only possess far superior base attributes compared to the previous generation of Seraphim..."

"But their skill potency has also multiplied several times over! Their strength, speed, and regenerative abilities are all significantly stronger than before."

"Not only that, Admiral-level Seraphim also possess Conqueror's Haki—so advanced that even when clashing with Bullet's, they didn't fall behind in the slightest!"

"And their Armament and Observation Haki are even more refined!"

As Vergo listed each point one by one, Doflamingo's heart sank deeper into despair.

But it wasn't over yet. 

"Most crucially, Admiral-level Seraphim possess unparalleled learning abilities! From what I know, during the battle with Bullet, Bullet unleashed his Demon Aura..."

"But in the blink of an eye, the Admiral-level Seraphim mastered and replicated it, giving Bullet a serious injury!"

"What?! Learned it on the spot?!"

Doflamingo's face twisted in shock.

A wave of fear surged uncontrollably in his heart.

Learning a technique instantly—what did that mean?

It meant that if you couldn't end the fight quickly, your opponent would only grow stronger as the battle dragged on!!

Not to mention their extreme regenerative abilities... How could anyone fight against that?

Doflamingo felt the situation was dire.

Though he was a Warlord, the Marine's rapid growth in power had already filled him with dread.

Moreover.

With more and more Seraphim emerging, Doflamingo knew all too well.

The World Government would inevitably discard the Warlords!

They were merely a tool to balance the world's powers.

Now that the Marine's had the strength to sweep pirates across the seas, why would they keep the troublesome Warlords around?

"Then... was Bullet's blood sample taken in the end?"

Clutching at a sliver of hope, Doflamingo forced out the question with a bitter expression.

"Yes, and not just him. Even Redfield has yielded. Both of them have had their blood samples collected by the Marine!"

"It won't be long before the Marine produces new Admiral-level Seraphim." Vergo's tone was grave.

"I see."

After hanging up, Doflamingo felt an overwhelming weight in his chest.

He hurried to Onigashima.

***

Onigashima

Bringing his latest batch of artificial Devil Fruits, Doflamingo swiftly stood before Kaido.

"You're here." Kaido was guzzling alcohol, He barely glanced at Doflamingo's arrival.

"Where are my artificial Devil Fruits?"

"All here!" Doflamingo gestured to the crates his subordinates were carrying.

Kaido look over lazily as he opened a crate to inspect its contents.

"Hmm, good..."

Doflamingo took a deep breath, his expression solemn and spoke slowly.

"Kaido, there's something you might not know yet..."

"The Marine has secretly developed..."

Just as Doflamingo began, a member of the Beasts Pirates rushed in, panic-stricken.

"Bad news!"

"The Marines are attacking, led by Akainu and Kizaru, along with an unfamiliar young man!"

"Their power is terrifying, completely unstoppable..."

"Hmm?!"

Hearing this, Kaido's expression instantly darkened!

A killing intent instantly filled his eyes!

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