Dragon Fist, a move Duke learned in the Dragon Ball world, can only be learned when the control of Chi reaches a very high level. There is no Chi in the Pirate World. The rules of this world revolve around Devil Fruits and Haki, and perhaps black technology. The Pirate World can accept physical skills and swordsmanship from other worlds, but it will never accept energy systems such as mana and magic.

The world of pirates: Build a scientific and rigorous worldview and eliminate all Eastern and Western fantasies!

As a last resort, Duke had to find another way. He used the Conqueror's Haki as a basis and made some modifications before he successfully simulated the Dragon Fist.

The special effects are naturally not as good as those in the Dragon Ball world, but the destructive power is definitely not bad. A translucent beam of light burst out, opening a fist-sized hole in Kaido's chest, and the remaining force continued to plow a natural chasm in the sea. The sea was like being split in two by a sharp blade, and the wet seabed was clearly visible. The energy aftermath remained, and the sea water was surging and rolling at the edge of this endless ravine, but it took a long time to calm down and fill it back.

Kaido's huge body was carried by the impact into the shallow sea a hundred meters away, spitting out blood, struggling for a while and then climbing up. If it were an ordinary person, a hole in the chest would basically confirm his death, but Kaido was different. He was nearly ten meters tall, and a hole as big as a casserole was not a fatal injury to him.

But Kaido was not in a much better condition. Although the injury could not end his life instantly, the energy remaining near the wound blocked his recovery ability. Before the energy disappeared, his health bar decreased at a speed visible to the naked eye.

Kaido tensed his muscles to prevent the blood from continuing to flow out, glared at Duke fiercely, and rushed forward with his fists full of ferocity.

Kaido's whole body is covered in armament color, his eyes are red, and he has two horns on his head. His terrifying figure like a mountain is fighting in blood, like a prehistoric beast, unstoppable.

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…

Three hours!

…

"Stop talking nonsense. As long as I'm not dead, I haven't lost!"

Robin watched Duke leave, standing there in thought, remembering the time when they were wandering in the West Sea, Duke told her a very long sailing story. It was about a few pirates who set out from the East Sea, defeated eighty-one enemies, and finally arrived at Raftel and obtained a great secret treasure.

Duke jumped onto the deck and ordered his men to salvage Kaido. Robin, who had been waiting for a long time, handed him his coat. Seeing the remaining worry in Robin's eyes, Duke took the coat and squeezed her hand three times to comfort her. Without saying anything more, he casually put on the coat and turned to take a shower.

One hour! …

Neptune couldn't give them the land they wanted, but Duke could; Neptune couldn't guarantee that their children wouldn't be taken away as slaves, but Duke could; Neptune couldn't give them the freedom and dignity they wanted, but Duke could. If Duke established a sect that believed in him, then the most devout believers would be the fishmen, but this was an if, and it would never become a reality, because Duke was... the successor of socialism, and he was determined not to engage in personality cult.

Kaido's momentum gradually weakened until the sun gradually set in the sky. At this time, the island had disappeared completely, and Kaido himself was soaking in the sea water, gasping for breath. Looking at his unyielding eyes, you can tell that if he is given a little breathing time, he can fight for another three days and three nights.

The fists of the two men created terrible waves of air in the air. After a brief stalemate, Kaido's momentum was lost, and he flew back into the sky and then fell into the sea.

Five hours!

…

On the Arms Island, it's even simpler. The fishmen living there only listen to Duke. Neptune and the like are all old news to them.

Heroes appreciate heroes? Sure, but I can't be the one left cold! Boom boom——————

In Fishman Island, Duke's status is second only to the Neptune royal family, because he is the great benefactor of Fishman Island. It is not that Duke saved the fishman hero Tiger, but he liberated the fishmen and gave them the right to live in the sun, which made every fishman grateful to him.

"..." The fishmen raised their swords and guns, cheered, and looked at Duke with eyes full of admiration.

Kaido was very unconvinced. Compared to the exhilarating battle two years ago, Duke's performance today disappointed him. Kaido knew that he was no match for Duke, but this was not the battle he wanted. A real battle should be fought with force. What's the point of hiding like a sissy?

"Kaido, you lose!"

Beasts are most dangerous when they are injured. Under the stimulation of pain, Kaido gave up defense and evasion and launched a crazy offensive. Ten thousand tons of seawater were blown away by a punch, the dark clouds in the sky were blown away by the wind of the punch, and the whistling sea breeze was pushed back sideways.

About half an hour later, a warship slowly came from the distant sea. When the fishmen on the ship saw Duke sitting on Kaido, they cheered suddenly.

Duke dodged left and right and didn't fight Kaido head-on. He knew that Kaido's breath was already disordered, and the madness at the moment was the final outbreak period. As long as he could get through this period, Kaido would be like a fish on the chopping board for him to slaughter. But he underestimated Kaido's physique, or rather his vitality. Kaido's outbreak period... was a bit long!

"Hahaha, I knew that the captain is the strongest!"

Kaido floated on the sea with his head raised and struggled twice, but this time, he was unable to stand up.

Duke looked at Kaido who was rushing up again, and he accelerated his Moon Step to meet him, punching Kaido in the face and knocking him away. Kaido was repelled, but he rushed up again the next moment. After repeating this several times, he was exhausted and Duke grabbed his arm and threw him into the sea over his shoulder.

The next second, Kaido jumped out of the sea again, his boiling fighting spirit not diminished at all, he fell from the sky, and took advantage of the momentum to punch. His fist was covered with Armament Haki, which was far different from the previous full body Armament Haki, which showed that he was already at the end of his strength. Facing Kaido's last blow, Duke showed no mercy, leaped up and punched back with a faster and stronger punch.

Robin knew that this story was fake, but she couldn't help but think it was very interesting and left a deep impression on her. The story begins with a monkey, a pirate who ate the ape-ape fruit, failed to fight against the World Government, and was imprisoned in Impel Down.

This is not the point. The point is that when the pirate who ate the ape-ape fruit was learning in his hometown East China Sea, his teacher knocked on his palm three times, indicating that he should go to the teacher's room alone at three o'clock in the morning...

Duke soaked in the sea for a long time, and after washing himself, he felt refreshed. He came to the deck just in time for the chef to prepare dinner. After the battle with Kaido, he was so hungry that he sat down and started to eat voraciously.

Robin sat next to him with a smile, and Perona... was studying Kaido.

(End of this chapter)