Above the Sabaody Archipelago, Osiris circled in the sky, its massive body casting a shadow that covered dozens of zones below.
Seated atop Osiris was Ye Chen.
"The Marine Headquarters should be arriving soon, right? I wonder if it's Kizaru this time," Ye Chen said as he scanned the surrounding seas of Sabaody Archipelago, searching for any sign of the Marine fleet.
"That devil is back again."
"It's him—Dragon Knight Ye Chen. How dare that demon show up here again?"
"The World Government just issued such a harsh bounty, yet he still appears openly at Sabaody Archipelago. Doesn't he fear the Marine Headquarters or the World Government?"
As Osiris hovered overhead, the huge red dragon body and fierce head were instantly recognizable.
In this world, only Dragon Knight Ye Chen's mount possessed such a figure.
And everyone knew that with Osiris here, Ye Chen must be nearby.
But what baffled them was this: the World Government had issued such a massive bounty, even offering 100 million Beli for any info leading to Ye Chen's capture, yet he still dared to appear in Sabaody Archipelago so boldly and openly.
"Daring to the extreme."
"Reckless and defiant."
Some people muttered these words as they discussed Ye Chen.
"System, I want to ask you a question," Ye Chen said, seeing no sign of the Marine Headquarters arriving anytime soon. He decided to ask the system, as some of the exchange mechanics still confused him.
The cold voice echoed in Ye Chen's mind immediately: "Host, go ahead."
"I want to ask if in an equal exchange, can a specific item be designated?" Ye Chen posed his question.
This doubt had lingered since he exchanged for Osiris's abilities, growing even stronger when he exchanged for Armament Haki.
According to the system's earlier explanation, equal exchange meant trading something of equal value from one world for something of equal value from another. But these exchanges were random, not designated.
The exchange mode was unlimited—no restrictions on number of times—and not limited to special energy like Devil Fruits.
Yet both times Ye Chen exchanged, the system insisted on using Devil Fruits.
So he guessed that if using Devil Fruits, with a sufficient amount, one might be able to specify a particular item—say, a Zanpakuto or even Rinnegan.
"In an equal exchange, you can consume a certain amount of special energy to specify an item," the emotionless voice answered.
"Just as I thought," Ye Chen smiled faintly. It seemed there was another mode to equal exchange after all.
"Then how much special energy does specifying require?"
"1000 units of special energy, equivalent to one Devil Fruit."
Ye Chen was surprised; it was the first time he'd heard of special energy quantified like this.
But considering how precise the system was, it made sense to have an exact energy value. He just hadn't asked before, so he didn't know.
Now he finally understood—one Devil Fruit equaled 1000 special energy units.
"How much does Saiyan Physique cost?" Ye Chen asked.
The Saiyan Physique held infinite evolutionary potential—a body type Ye Chen coveted for a long time. If he could exchange for it, even the strongest creature like Kaido wouldn't stand a chance; he could crush them effortlessly.
"Basic Saiyan Physique requires 200,000 special energy units. Add specifying, that's a total of 210,000. Currently, Host has only 16,000 units—insufficient for exchange."
Ye Chen broke out in a sweat. With 16 Devil Fruits, he thought he could get Saiyan Physique, but he hadn't expected it to cost 200 Devil Fruits in total—a staggering price.
However, thinking about the terrifying power of a Saiyan, the price was understandable. After all, it could obliterate entire planets casually.
Since Saiyan Physique was out of reach, Ye Chen settled for another choice: "Then how about the Rapid Regeneration physique?"
"5,000 energy units."
This time the system answered quickly and briefly.
Only five Devil Fruits required. Ye Chen confidently said, "Exchange."
"Equal exchange initiated."
The system's voice rang out. Six Devil Fruits vanished from Ye Chen's box without a trace—one designated, five for the physique.
"Exchange successful."
Right after, Ye Chen felt a warm current flowing through his body, as if soaking in a hot spring. It was incredibly comfortable, without any pain.
After about five minutes, the warmth faded. Ye Chen slowly opened his eyes, picked up his katana, and slashed his own hand.
Blood appeared, but the wound healed at a visible speed—before long, it vanished completely.
"This physique is awesome—and the price is pretty cheap too. Great value for the cost."
He had two physique options from the start. Saiyan was all about potential with limitless growth, usually boasting explosive battle power—perfect for dominating as a pirate.
Rapid Regeneration, however, focused on vitality.
It was an advanced ability from the Shinigami world, granting extraordinary healing and recovery power.
Even if limbs were severed, they could regenerate quickly—almost like an immortal body.
"Can biological entities be specified?" After testing Rapid Regeneration, Ye Chen asked again.
"No," the system replied.
"Why not?" Ye Chen frowned.
"That's the rule."
Rules were always a headache for Ye Chen.
"But Host can specify a random biological exchange category."
Meaning, by using Devil Fruits, the random exchange range could be narrowed to biological entities—these could be weak animals or extremely powerful creatures, like Osiris's Sky Dragon.
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