Observation Haki Finally Awakened, a Colossal Water Dragon Descends from the Sky!

On the open sea, fire abilities are generally insignificant. Any swordsman with even a modicum of skill can unleash fire slashes, whether strong or weak. Even some fist techniques and kicking techniques can be imbued with fire out of thin air.

The ability to attack with added water is the complete opposite of fire attacks. Currently, the only well-known systematic water attack ability is Fish-Man Karate.

Crocodile never expected that Ivan would possess the ability to control water!

Seawater is inherently Devil Fruit User, and his Sand-Sand Fruit is even more so.

Upon learning that Ivan could control the seawater, Crocodile's face darkened so much it looked like it was about to drip water.

This is troublesome. Even if he is stronger than Ivan, he might not be a match for Ivan.

Moreover, after only a brief exchange, Crocodile could sense that Ivan's strength was no weaker than his own!

"Not going to make a move? Then let me!" Yubashiri, now stained black, transformed into a blur as Ivan charged towards Crocodile, unleashing the "One Sword Style: Black Blue - Getsuga Tenshō!"

The black and blue slash distorted the surrounding air, creating a chaotic force field as it flew towards Crocodile.

Crocodile dared not be careless and roared menacingly, "Sand Waterfall - Crescent Sand Dune!"

The sand and gravel were compressed, forming a crescent-shaped sand blade a hundred meters long, which collided with the Getsuga Tenshō.

The collision between the two quickly yielded a result: Getsuga Tenshō easily shattered the Crescent Sand Dune and continued to approach Crocodile.

Finally, he had to use the Crescent Sand Dune interception again to stop Ivan's slash.

This result made Crocodile grit his teeth. He realized that he, Shichibukai, was actually no match for the Marine Rear Admiral in front of him!

"Damn you, die! Desert Spada!"

After falling into a disadvantageous position, Crocodile no longer dared to underestimate Ivan. He knew that if he didn't go all out, he might really perish in the desert.

How ridiculous that Devil Fruit User the Sand-Sand Fruit would die in the desert!

As the battle continued, Crocodile's expression gradually relaxed, as he noticed that Ivan's attacks were weakening.

Gradually, Ivan became no match for him!

Crocodile had some speculations about this phenomenon.

Although Ivan possessed formidable offensive power due to his exceptional swordsmanship, his physical strength was too weak.

If he could end the battle instantly, he could still win, but against a monster of similar strength, if the fight drags on, he will only be defeated!

Crocodile's mouth stretched from ear to ear as he laughed mockingly:

"Hahaha, Ivan, I admit you have some strength, but you're still too weak when facing a true powerhouse!"

Come on, let me see how long you can last. Enjoy yourself to the fullest!

Soon, the battle between the two took a turn for the better, with Crocodile beginning to reverse the tide and gradually gain the upper hand.

This scene was witnessed by Nami and the others watching from afar. Robin sighed; although Rear Admiral Ivan was very strong, he was ultimately no match for the Shichibukai.

It seems that the rumor that Ivan reached Hanafuda was also a lie spread by the Navy to enhance the Navy's prestige. Rear Admiral Ivan is still no match for the Shichibukai.

But when she looked at Nami and Tashigi, her expression suddenly became strange.

Because the two women showed no sign of worry at all; on the contrary, their faces were full of joy.

She hesitated, then said, "Aren't you worried about Rear Admiral Ivan? He's at a disadvantage!"

Upon hearing Robin's words, Nami exchanged glances and suddenly burst out laughing, "Hahaha, Robin, you've been fooled too! Ivan isn't at a disadvantage; he's using Crocodile to train his Observation Haki!"

"That's right, Rear Admiral Ivan is too powerful, and few people can pose a threat to him. A pirate of Crocodile's caliber is just the right threat to him, and he's the best training tool!" Tashigi's beautiful eyes were full of admiration.

Upon hearing their words, Robin looked bewildered and stared in shock at the distant battlefield.

Rear Admiral Ivan actually used the Shichibukai as training tools; just how strong is he really?

If this is true, Robin really should believe the rumors.

Ivan, he's destined to become Marine Admiral!

In the distant desert, as the battle continued, Crocodile gradually realized something was wrong.

Although he now holds a firm advantage and Ivan has sustained numerous wounds, he has been unable to break through Ivan's defenses.

Even though Ivan looked like he was about to collapse, after fighting for an hour, he still looked like he was about to collapse, showing no sign of defeat.

It's like a cannon about to fire, but always just a hair's breadth short, leaving you with a frustrating feeling of being stuck in limbo.

Crocodile grew increasingly impatient, intensifying his attacks in an attempt to defeat Ivan as quickly as possible and eliminate this variable!

However, to his surprise, the battle was still not over two hours later!

"Damn it, are you kidding me?!" Crocodile finally realized something was wrong, stopped attacking Ivan, and instead retreated cautiously.

After a prolonged and unsuccessful attack, anyone would notice something amiss.

However, Ivan did not attack Crocodile as he retreated. He stood still, closed his eyes, and although it was dark before him, he could still perceive the surrounding sand and the gentle breeze.

It's as if he has gained a completely new organ, one that is more powerful than his five senses, with more refined perception and a more distant range of senses!

After training with Crocodile as a tool for practice for several hours, Ivan finally Awakening his Observation Haki!

From afar, Crocodile, seeing this, glanced at me and immediately seized the opportunity to unleash his Desert Spada at Ivan.

However, Ivan easily dodged the Desert Spada without even opening his eyes.

Crocodile's pupils suddenly contracted as he realized something. "This is... Observation Haki!"

His face turned pale and then flushed, and his whole body trembled violently. He immediately realized where the strange thing had come from:

"You dare use my training Observation Haki? Don't be so arrogant!"

At this moment, Crocodile's defenses were completely breached!

Unlike the enraged Crocodile, Ivan wore a joyful expression, appearing extremely relaxed.

The power that had been suppressed within him for so long finally erupted; the longer it was suppressed, the stronger the eruption.

Now his Observation Haki is enough to cover the entire Rainbase!

Noticing Crocodile charging towards him in a fit of rage, Ivan raised his sunglasses, his tone extremely harsh:

"Oh no, we've been discovered..."

He moved his body, Yubashiri, which had faded to a deep black, covered him again, its color even darker than before!

"But it's alright, Crocodile, you're useless now. So, please die!"

One Sword Style: Black Blue: Water Breathing: Tenth Form: Constant Flux!

Awooo!

As if a dragon's the Roar resounded, countless streams of water appeared out of thin air and coalesced into a massive water dragon a hundred meters long!

A water dragon descended from the sky, crashing directly down upon the tiny humans in front of them!

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PS: Water Breathing