One Piece: Nobody knows Devil Fruits better than me.

Chapter 40 The Wonders of the Body, Black Body Style!

That's right.

For Roy, what was displayed on the screen at this moment was his greatest gain.

Including the two guardian deities of the Alabasta royal family, as well as all the top five numbered executives of Baroque Works, including Crocodile and Nico Robin.

During his operation in Alabasta, he acquired a total of twelve Devil Fruits!
This directly allowed his fruit slot to be unlocked again.

The appearance of the fourth fruit slot is undoubtedly another huge boost for him.

And that's not all.

"Special Fruit Slot".

Roy looked at the information displayed in the encyclopedia with a thoughtful expression.

Clearly, the changes in the fruit encyclopedia exceeded his expectations.

However, at the same time, Roy was not too surprised.

In fact, during his eight years of research on fruit encyclopedias, he had already discovered...

The fruit encyclopedia is shaped like book pages, but Roy can only see the part that records the fruits.

But Roy had never been able to open the second half of the book—so he had always wondered if his cheat ability held any secrets.

And now it seems that this is indeed the case.

"After collecting 60 fruits, you can unlock the fifth special slot, which is three times more difficult to unlock than the normal slot. In other words... the difficulty should also be more than three times greater?"

Roy analyzed in his mind: "Fruit fusion..."

The name alone was enough to make him fantasize.

Moreover, this allows Roy to make even more connections.

such as
"As I analyze and collect more fruits, will the encyclopedia unlock new pages and new abilities?"

Roy felt a sense of excitement, as if he had finally left the starting village and seen the vast world.

However, he quickly suppressed his excitement—let alone unlocking more features of the Devil Fruit Encyclopedia, he was still far from having enough of the 60 Devil Fruits needed for this 'Special Devil Fruit Slot'.

It's good to dream about the future, but it's not good to be overly ambitious.

Therefore, Roy quickly began to think about another question.

"I'd better recall the Rooster and the Dragon to refresh their status—that way I can give them the ability of an extra fruit."

Roy knew this very well.

"But meeting them is a bit troublesome."

Both the Rooster and the Dragon are now criminals under the watchful eyes of world governments.

Under such circumstances, it would be virtually impossible for them to infiltrate the Navy Headquarters and refresh their status.

As for letting him meet his clones in private, that would also be inappropriate—once discovered, his identity would be impossible to hide.

In other words...
"I urgently need an ability that can guarantee that I can meet with my clones without them knowing in the future."

Roy frowned.

Coincidentally, he actually knew of a very powerful fruit that could fulfill this requirement.

However, the fruit was not located at Marine Headquarters.

"Once my training with Teacher Zefa is over, I'll have to find a way to leave headquarters."

And this was exactly what Roy was thinking about.
"Loy".

A knock on the door interrupted Roy's thoughts.

"Binz?"

When Roy opened the door, he saw Binz standing in the doorway.

"How did you come?"

Roy asked familiarly—after this period of time, he and Binz had naturally become familiar with each other.

"Coach Zephyr asked me to take you to training."

Binz, however, said with a smile.

"train?"

Upon hearing this, Roy was slightly taken aback, then chuckled and said, "No need, I already know the location of training room number three very well."

He certainly didn't feel he needed to lead the way.

But to his surprise...
“No, Roy—you’re not training in Training Room 3 today.”

At this moment, Binz grinned mysteriously.

“Zeff asked me to take you to the center of this ‘Zeff Training Camp,’ which is also the only place he can use: Training Room Zero.”

"Ok?"

Upon hearing this, Roy's expression shifted slightly.

then
"you mean"

He looked at Binz, his words carrying a serious tone.

Binz nodded in agreement: "That's exactly what you mean—the teacher said that from today onwards, you'll begin real training!"

After saying that, he turned and left, saying, "Come with me."

So Roy took a deep breath and followed.

Soon, after following Binz through the winding network of various training rooms...

Roy arrived at 'Training Room Zero'.

The training room was enormous, and Roy immediately recognized that the walls around the room were also made of a special 'Z alloy'.

The most noteworthy feature is in the center of the room.

There was a platform there, and at the top of the platform was a huge thing that looked like a pipe.

At this moment, 'Black Arm' Zephyr was standing on the platform. Upon seeing Roy, Zephyr grinned.

"How is it—are you getting impatient? Do you think I was lying to you before?"

Ze Law laughed loudly as he spoke.

"To be honest, there is one thing. If it weren't for you, teacher, I would have already reported the fraud to the headquarters."

Roy then spoke with a serious expression.

Then, the master and apprentice, who had become quite familiar with each other, exchanged a glance and smiled at each other.

"Come on up—this is where you'll train."

Zephyr waved, and Roy naturally didn't say anything.

He walked solemnly onto the huge platform.

then
"."

Nothing happened.

"?"

Roy, whose muscles were already tense, looked at Zephyr with some confusion—Old man, what are you doing?
"Don't worry."

But when Zephyr saw the puzzled look on Roy's face, he burst into laughter again.

"As I've said before, you have enough talent, so the training you need to receive is also quite unique."

"But before that, I need to ask you first—what do you think of my strength?"

How strong are they?
Upon hearing this, Roy looked at Zephyr with a puzzled expression.

“Teacher Zephyr, you are certainly very strong. To be precise, you are the strongest person I have ever fought.”

He then spoke sincerely.

This is the natural answer.

To this day, he still remembers the punch he landed on Zephyr the last time they clashed.

In that punch, Roy truly used one of his strongest Devil Fruit combinations in terms of physical strength.

Although he cannot use his strongest beast form or humanoid form to fight Zephyr because he cannot reveal his identity as a power user.

Even so, the combination of the Wind God Pteranodon Fruit, the Giant Rhinoceros Fruit, and the Strength Fruit was already powerful enough—in that state, he was confident that he would never lose even if he were to fight a Sea King.

But even when faced with a serious punch from Zephyr, he would still be blasted away.

Even if a general is old and retired, and his body is incomplete and he is no longer at his peak, he is still a general - he represents the true top individual strength of the entire ocean.

Zephyr was clearly pleased with Roy's sincere answer.

The old man chuckled and then asked, "So, where do you think my strength lies?"

"Of course it's domineering."

Roy answered without hesitation.

Zephyr's nickname is 'Black Arm'.

This shows that his greatest strength is clearly his Armament Haki.

This is also what Roy most wants to learn—with Armament Haki, it will be much easier for him to deal with Logia-type Devil Fruit users.

After all, not every Logia-type Devil Fruit user is as easily countered as Crocodile.

But
"Yes, but also wrong."

After hearing his answer, Zephyr said softly.

"Dominance is just the result, Roy."

He looked at Roy: "The real answer is 'physique' and 'skill'."

He went on and on about the conclusions he had reached over the years.

"Logia, Zoan, Paramecia - Devil Fruit users possess unique talents and abilities, naturally surpassing ordinary people."

"For non-powered individuals like us to catch up with them, we can only rely on physical strength and skill."

He didn't notice that Roy's expression was a little strange when he said the words 'non-ability user'.

Zephyr looked at Roy and spoke slowly and deliberately.

"It is precisely because he understands this that Garp created his own 'Iron Fist'."

At this point, Roy naturally understood what Zephyr meant.

Almost everyone in the Navy knows that 'Naval Hero' Garp has a unique training method.

Without using Haki or abilities, he simply used his fists to bombard the seastone at the bottom of the warship.

Year after year, year after year, constantly honing one's own "fist and bones".

In the end, he could shatter a mountain or island with a single punch without even using Haki.

That's why he got the nickname 'Iron Fist Garp'.

And now Zefa's meaning is also very clear.

"Like Garp, I also have my own unique training methods and physical skills."

There was a clear sense of pride in Zefa's words.

“Unlike that guy Garp who acts recklessly, he concentrates all his power into his fists—what I pursue is the tempering of the whole body.”

He looked at Roy with obvious expectation.

"This is also what I am about to teach you."

At this point, he raised his left fist.

"I am used to fighting with my hands, which is why I am called 'Black Arm'."

"But in reality, the essence of my martial arts lies in the perfect physical techniques that hone and unleash the potential of every part of the body, including skin, bones, muscles, organs, and even blood. It is called 'Black Body Style'."

(End of this chapter)