Onmyoji of the Grand Line

“Let me do it.” Ace stood in front of the chains and began to absorb the surrounding heat, gathering fire energy.

Caesar stood to the side, watching Ace's performance with a hint of surprise in his eyes. Seimei, on the other hand, kept watch over the surroundings, ready to deal with any potential dangers.

Soon after, Ace's body began to emit dazzling flames, and he channeled the gathered fire energy into the chains. The chains began to vibrate, emitting a strange sound, as if they were about to break at any moment.

"Quick, open the door!" Seimei shouted.

Ace pushed hard, and the door opened, finally freeing their companions. They walked out of the cell and saw Seimei and Ace, feeling extremely grateful.

"Thank you so much. Without you, we from 733 might never have made it out of here in our entire lives," they said with emotion.

"Don't mention it, it's what we should do," Seimei said with a smile. "Now we should leave here quickly, the World Government might find us at any time."

They began their stealth escape from the base, with Caesar helping them evade the guards. They finally managed to escape. They returned to the ship and were welcomed by the crew.

"Thank you for saving our comrades." Luffy looked at Seimei and Ace gratefully. "We will definitely repay you."

After leaving the World Government's base, Seimei and Ace continued their sea voyage. Soon after, they encountered a pirate named Titana. Titana was a pirate skilled in charm magic; she possessed a unique gaze that could bewitch her opponents, causing them to hallucinate.

Seimei was very interested in Titana's abilities, and he decided to teach her some Yin-Yang techniques to help her make better use of her abilities.

“Titana, your abilities are powerful, but they are not omnipotent,” Seimei said. “If you can use the Yin-Yang Illusion Technique, you can better confuse your opponents and make it impossible for them to track your movements.”

"The Yin-Yang Illusion Technique?" Titana asked curiously. "It sounds very mysterious."

"Its principle is very simple: it uses the power of Yin and Yang to interfere with the opponent's vision," Seimei explained. "You can wrap yourself in the power of Yin and Yang, so that the opponent sees a false scene."

“That sounds great, I want to learn!” Titana exclaimed excitedly.

Seimei began teaching Titana how to use the Yin-Yang illusion technique. He first taught Titana how to use the power of Yin and Yang, and then taught her how to transform the power of Yin and Yang into visual illusions.

Titana studied very hard and quickly mastered the basic techniques of the Yin-Yang Illusion Technique. She began to test her abilities, using Seimei and Ace as her test subjects.

Seimei and Ace sensed Titana's progress; her illusions were becoming increasingly realistic, making it impossible for them to distinguish between reality and illusion. They felt somewhat uneasy, but also astonished by Titana's abilities.

“Titana, you’ve done very well,” Seimei said. “However, the Yin-Yang illusion technique is not omnipotent; you must always remain vigilant.”

“Yes, I know,” Titana said. “I’ll be careful.”

"That's good," Ace said with a smile. "Now that you've mastered the Yin-Yang Illusion Technique, your strength has increased considerably."

Chapter 376: The Yin-Yang Heaven and Earth Network!

“Yes, thank you for your guidance.” Titana looked at them gratefully. “I feel I can use my abilities better now.”

Seimei, Ace, and Titania continued their voyage at sea, where they encountered a pirate captain named Sera, a member of the Thunder God Pirates. Sera was a tall warrior with immense strength and lightning abilities, and he became friends with Seimei.

Soon after, they received information that an evil organization called Michel was planning a massive attack. Michel's goal was to seize an extremely valuable treasure, which was said to have the power to control the entire world. Seimei and Sera decided to join forces to fight against Michel.

“To defeat Michelle, we need a more powerful Yin-Yang technique,” ​​Seimei said.

“You’re right, we can use the Yin-Yang Heaven and Earth Net Technique,” ​​Sera suggested. “It’s a technique that uses the power of Yin and Yang to build a powerful defensive barrier.”

Seimei and Sera began preparing the Yin-Yang Heaven and Earth Net Technique. They gathered the Yin and Yang forces around them, weaving them into a massive net-like structure. This structure resembled a spiderweb, capable of blocking any attack.

Michelle's fleet arrived quickly and launched a fierce attack, but the Yin-Yang Heaven and Earth Net Technique's defense was extremely strong, and their attacks could not penetrate it. Seimei and Sera began to counterattack, infusing their weapons with Yin-Yang power and unleashing a powerful attack.

"You pirates, don't interfere with our plans!" Michelle roared, "or you'll suffer a terrible retribution!"

"We won't let you succeed!" Seimei shouted.

Michel's fleet launched an even fiercer attack, but Seimei and Sera's defenses were very strong, and their attacks were also exceptionally fierce, often managing to scatter Michel's fleet in pieces.

Sera roared, his body unleashing powerful lightning energy that instantly blasted Michel's fleet back dozens of meters. Seimei, not to be outdone, gathered his Yin-Yang power in his hand, unleashing a powerful beam of light.

Michel's fleet began to encounter problems; their ships suffered severe damage, and morale began to decline. But Michel did not give up; he decided to take matters into his own hands.

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Michelle's body began to emit a blinding light, and his form grew to an enormous size, resembling a demon. He launched a powerful attack, shattering the Yin-Yang Heaven and Earth Net Technique.

... ...

"Oh no, our defenses have been breached!" Sera exclaimed.

Seimei also sensed something was amiss. His body began to emit a bright light, and he began to use the Yin-Yang Wheel Technique. His body began to rotate, absorbing the surrounding Yin and Yang energies into it, forming a rotating wheel of light.

The halo emitted a brilliant light and attacked Michelle. Michelle was severely impacted, and her body began to shrink until it returned to its original size.

"Damn you, you damned pirates!" Michelle roared. "I'll make you pay!"

Michel left with his fleet, and Seimei, Sera, and Titana successfully repelled Michel's attack.

Chapter 377: The Art of Creation? A Hell of Water and Fire!

After Seimei and Ace left the battle with Sera, they encountered a pirate named Jinbe. Jinbe was a warrior with powerful water-based abilities and was also very interested in Onmyodo (the art of Yin and Yang).

"Seimei, I've heard you're very skilled in Onmyojutsu," Jinbe said. "I'd like to learn too. Can you teach me?"

“Of course,” Seimei said with a smile. “Onmyoji is a very mysterious art, and it requires patience and effort to master the ‘737’.”

Seimei and Jinbe began to study Yin-Yang techniques together. They studied many different Yin-Yang techniques, but they felt there was still a lot of room for improvement.

“We need to create a more powerful technique,” ​​Seimei said. “The power of Yin and Yang is extremely strong, and we need to use its power to create an even more powerful Yin-Yang technique.”

"Any ideas?" Jinbe asked.

“I’ve come up with a technique called the Yin-Yang Water and Fire Purgatory Technique,” ​​Seimei said. “Its principle is to use the power of Yin and Yang to create a huge water and fire purgatory, trapping the opponent inside.”

Jinbe was very excited after hearing this, and they began to study the Yin-Yang Water and Fire Purgatory Technique together.

Seimei and Jinbe devoted a great deal of time and energy to researching the Yin-Yang Water and Fire Purgatory Technique. They delved into the nature of Yin and Yang forces and how to transform them into water and fire elements. After months of tireless effort, they finally created the Yin-Yang Water and Fire Purgatory Technique.

"This is an extremely powerful technique!" Jinbe exclaimed excitedly. "We must test its power."

Seimei nodded, and they began preparing to unleash the Yin-Yang Water and Fire Purgatory Technique. Seimei concentrated the power of Yin and Yang, while Jinbe controlled the elements of water and fire. The two worked in perfect harmony, unleashing the powerful Yin-Yang Water and Fire Purgatory Technique.

A powerful surge of energy erupted, gathering the surrounding water and fire elements to form a colossal inferno. Water and fire are mutually reinforcing and restraining, and the inferno was filled with scorching flames and surging water, appearing utterly terrifying.

“This is an incredible technique,” ​​Ace exclaimed. “I’ve never seen such Yin-Yang magic before.”

“Yes, its power is immense,” Seimei said. “We can use it to deal with some very powerful enemies.”

“However, this technique also has drawbacks,” Jinbe said. “It consumes a large amount of Yin and Yang energy, and if used improperly, we ourselves can be drawn into it…”

"Yes, that's something to be careful about," Seimei nodded. "We need to be cautious when using it."

They decided to test the power of the Yin-Yang Water and Fire Purgatory Technique at sea, and soon after, they encountered a pirate fleet. This pirate fleet was very powerful, possessing many strong warriors and excellent weapons.

Seimei and Jinbe began to cast the Yin-Yang Water and Fire Purgatory Technique, gathering the surrounding water and fire elements to form a massive water and fire purgatory. The pirates were trapped inside, unable to escape.

"This technique is too powerful!" the pirate captain exclaimed in horror. "We must get out of here as soon as possible!"

But it was too late. The power of the Yin-Yang Water and Fire Purgatory Technique 0.5 had already begun to spread, and the pirates were burned to ashes. Seimei and Jinbe watched this scene with great sorrow, but they also understood that this was the rule of the pirate world.

Seimei and Ace arrived at a mysterious island, said to harbor a Rumble-Rumble Fruit. The Rumble-Rumble Fruit is an extremely rare Devil Fruit that grants its user powerful lightning abilities, making it incredibly precious.

Chapter 378: Yin-Yang Divine Power, Water and Fire Compatible!

After arriving on the island, they began searching for the Thunder-Thunder Fruit. After much effort, they finally found its hiding place, but it was fraught with danger. A powerful pirate crew was also on the island, searching for the Thunder-Thunder Fruit at all costs.

"It's very dangerous here, we need to be careful," Ace warned. "These pirates are very powerful, we need a more powerful Yin-Yang technique to deal with them."

“That’s right, I’ve thought of a technique called Yin-Yang Divine Power Technique,” ​​Seimei said. “Its principle is to use the power of Yin and Yang to enhance our abilities and make our attacks more powerful.”

“That sounds really good,” Ace nodded. “Let’s give it a try.”

They began preparing to unleash the Yin-Yang Divine Power. Seimei concentrated the power of Yin and Yang, while Ace gathered his lightning energy. They combined the power of Yin and Yang with their lightning energy, using the Yin-Yang Divine Power to make their abilities even stronger.

"Now, we're ready to seize the Lightning Fruit," Seimei said. "Let's fight!"

They arrived at the hiding place of the Thunder-Thunder Fruit, ready to obtain it, when suddenly a pirate crew appeared. This pirate crew was extremely powerful; they possessed many strong warriors and excellent weapons, and their ship was also very large.

"You damned pirates, put down the Thunder-Thunder Fruit!" the pirate captain roared. "Otherwise, you'll pay the price!"

Seimei and Ace did not back down; instead, they unleashed their Yin-Yang supernatural powers to enhance their abilities. Seeing their transformation, the pirate crew began to tense up.

"These people are not simple; we need to be careful," the pirate captain ordered. "Don't let them get the Lightning Fruit."

The pirates began attacking Seimei and Ace, using various weapons and techniques. However, Seimei and Ace's abilities had been enhanced, and they easily evaded the pirates' attacks.

Seimei concentrated the power of Yin and Yang, releasing a powerful beam of light that instantly defeated a group of pirates. Ace, on the other hand, used his lightning abilities to unleash a bolt of lightning, knocking down another group of pirates.

"This power is too great!" the pirate captain cried out in terror. "We must retreat!"

However, it was too late. Seimei and Ace unleashed the Yin-Yang Water and Fire Purgatory Technique, trapping the pirates within. The pirates were burned to ashes, and the entire island was filled with thick smoke and flames.

Seimei and Ace were thrilled to obtain the Rumble-Rumble Fruit, as it would greatly enhance their power. They began utilizing Yin-Yang techniques and lightning abilities to continuously improve their powers.

Next, Seimei and Ace began testing their newly acquired abilities. They arrived at a desolate sea area, preparing for a 737 combat exercise.

"Seimei, let me test out my new ability," Ace said. "Watch me burn this sea to ashes!"

Ace concentrated his lightning energy and unleashed a powerful bolt of lightning that instantly vaporized the surrounding seawater. The entire sea was filled with thick smoke and flames, creating a spectacular sight.

"This power is truly astonishing," Seimei exclaimed. "Let me try out my new ability too."