Tianxing Island, located in the southwest of the Sandalwood Islands, has many harbors on the island, and most of the spirit ships of the Outer Sea Nebula Alliance are built here.

Chang Feng led Ning Huanshan and Zhao Ningyang to fly through the void, came to a spirit ship that had just been completed, checked their identities and then entered the spirit ship.

There is a one-way teleportation circle inside the cabin of the spirit ship, and after the three of them enter the teleportation circle and leave, the teleportation circle then destroys itself, and then a large number of people come from the spirit ship that has just been completed, but it is a small force that customizes the spirit ship.

Without any delay, the small force quickly completed the handover and took the spirit ship away.

Such a scene often happens in the harbor, even if someone pays attention, they will not find that there is a teleportation circle in the spirit ship, and the three of Chang Feng have already left the spirit ship.

There is an underground sea that stretches for hundreds of miles in the south of Tianxing Island, and its aura is limited, although it has long been discovered by the Nebula Alliance, but because there are no cultivation resources in it, it is not suitable for cultivators to cultivate, so it has been abandoned there for a long time.

But now it's been turned upside down.

Nearly 100 top-level spiritual veins were relocated here by the Shanhai Alliance, and the spiritual energy was enough for the daily cultivation of the cultivator of the Tribulation, making this a holy place that was extremely suitable for the cultivation of monks.

In a harbor in the underground sea, there are three hurricane ships of more than 300 feet, and in addition to this, there are more than a dozen docks for the construction of giant spirit ships.

The surrounding of the dock is full of various top-level materials for building spirit ships, including the cloud mountain wood that is more than a hundred zhang long, the dragon claw wood that several people can't surround, the light moon shadow wood, the green dragon wood that is comparable to the dark iron, and the black light dark iron, the essence of the silver and the red flame gold stone, which are rare in the world of cultivating immortals...... And so on, piles of materials are piled up there, comparable to a hill.

Anyone who has seen the construction of hurricane ships in the country of mountains and seas will be shocked to see such a scene, because all the materials piled up around the dock are used to build the hurricane ships.

This is the top-secret base for the Shanhai Alliance to build hurricane ships, except for Ning Huanshan and Zhao Ningyang, only nine people in the entire Shanhai Alliance, including Chang Feng, know about it, and except for the nine elders, no one knows that the Shanhai Alliance has such a base.

At this moment, in a dock, a brand-new hurricane ship with a length of 300 zhang has been completed, and many monks on the spirit ship are making final preparations.

Chang Feng and the three of them had just appeared, and their figures flickered, but three of them came to them.

One of them is extremely thin, some roe deer heads and rats, but they are friends of Changfeng, and they have no plan to cultivate the ethereal fairyland.

The other person is a hunchbacked, bald, and bitter old man, this person is called Kuhai, a servant of Changfeng, but his real identity is the deputy palace master of the Great Wilderness School Palace of Shanhai Country, and the most top-level refining master of Shanhai Country.

Chang Feng did not bring the bitter sea with him, but left it in the Xuantian Sect to protect his daughter, but Chang Feng asked to bring it here when Luan Qingzhi came to the open sea.

The last person is a burly and bronzed-skinned sturdy monk, this person's name is Wu Zhengfeng, who has the cultivation of the Tribulation and is also the most top-level refining master in the open sea, and his attainments in the path of weapons are comparable to those of the Sea of Suffering.

Among the three of them, Kuhai and Wu Zhengfeng are both refining masters, and Cong Wuji is a special existence, strictly speaking, he is not even a refining master, but his means of imitating refining tools are unique in the world, and even Kuhai and Wu Zhengfeng are full of praise for their means of attainment.

At the beginning, the major task of imitating the hurricane ship was entrusted to the refiners of the Yang Alliance, but the progress was slow, but as the three of them joined one after another, after hundreds of attempts, the core technique of the hurricane ship was cracked little by little, and it was one step away from the final success.

But even at that step, Rao is Shanhai Alliance invited a refining master of the Three Realms of Immortals to come forward, and it couldn't be cracked until Chang Feng made a move.

Chang Feng was not a refining tool that refiners didn't understand, but that didn't stop him from making contributions to refining hurricane ships.

When they were still unable to break through that last step, whether it was Kuhai, Wu Zhengfeng, Cong Wuji, or other refiners, they were all at a loss, and they couldn't succeed after trying for decades and consuming a huge amount of materials.

During a discussion, Cong Wuji put forward a suggestion, suggesting that the Shanhai Alliance send people to the Ethereal Wonderland to invite several refining masters to come and participate in the study together.

Please ask the refiners of the Ethereal Wonderland instead of the refiners on the Mountains and Seas Continent, there is a need for secrecy, and more importantly, the inheritance of the art of refining in the Ethereal Wonderland has a special feature that the Mountains and Seas Continent cannot match.

The reason why this is so is because of the special nature of the ethereal fairyland.

The Ethereal Immortal Realm was created by the three generations of the human race, and the Ethereal Immortal Venerable was the first person to carry forward the auxiliary means of cultivating the immortal world.

Although the Ethereal Immortal Venerable has become history, it has left a legacy in the Ethereal Immortal Realm, in which the level of the instrument is not worse than that of the Shanhai Continent, and some insights and means are that the Shanhai Kingdom wants to steal it.

Contrary to Chang Feng's expectations, Kuhai and Wu Zhengfeng were extremely supportive of Cong Wuji's suggestion, and after repeated considerations, Chang Feng was ready to send someone to the Ethereal Wonderland for help.

But just as he was about to act, a jade slip was sent out of the white jade stick space, and there was a work called "Instrument Dao" in it.

Getting such a work, Chang Feng was extremely surprised, and immediately handed it over to the three of Kuhai, and after getting this work, Rao is not very proficient in the art of refining Cong Wuji was shocked to the extreme, as for Kuhai and Wu Zhengfeng, they had already been deeply impressed by the content recorded in it.

In "The Way of the Instrument", there is a method of refining a giant spirit ship, although it is different from a hurricane ship, but it is enough for them to learn from.

It is precisely because of the help provided by Chang Feng that after some study, the three of them finally broke through the last step that they could never break through.

Today is the day to try, and Chang Feng has high hopes for the hurricane ship, so it is natural to come and see it for himself.

"Bitter Sea, how sure is it that this time you will succeed?" Glancing at the hurricane ship in the dock, Chang Feng asked with a little urgency.

Having seen the powerful power of hurricane ships, Rao is Changfeng has enough calm heart, and this time there is still some excitement.

"Ten percent, alliance leader, with the help you provided, this time we are ten percent sure. Beyond Chang Feng's expectations, the bitter sea gave an extremely positive answer.

After Kuhai responded, Wu Zhengfeng and Cong Wuji entered the hurricane ship, and then a team of Shanhai Alliance men and horses also entered the hull.

With a little uneasiness, Chang Feng and the others waited.

Not long after, the hurricane ship emitted a white light and shadow, slowly sailing out of the dock, the speed became faster and faster, and in the blink of an eye, it had sailed more than ten miles, and the normal wind at this time was getting more and more tense.

In the previous attempts, the hurricane ship refined by the Shanhai Alliance could sail smoothly on the sea, but as long as it took off, it would disintegrate, and it could not show its great power at all.

Just as Chang Feng was waiting for a restlessness, with a loud roar, the hurricane ship took off into the air, and then turned into a bright light and flew rapidly into the distance.

"There is no disintegration, alliance leader, there is no disintegration. Seeing this, Ning Huanshan rarely laughed and shouted, and Zhao Ningyang, who was not very enthusiastic about this, also widened his eyes.

"Don't disintegrate, don't disintegrate. At this time, Chang Feng's eyes widened.

Half a quarter later, the hurricane ship circled the subterranean sea, fast and slow, but the hull remained extremely stable.

Just when Chang Feng and the others were secretly happy in their hearts, ten huge spiritual arrows flew out, turning into ten huge spiritual lights and flying towards an island in the distance.

With a "......boom", the island that was flooded by the spiritual light made a loud noise, and when the spiritual light disappeared, the entire island was gone.

"It's done, Leader, Hurricane Ship...... We did it. This time, it was the hunchbacked bald bitter sea that was the first to sigh of joy, and the little old man jumped three feet high, jumping on his feet and cheering.

And Chang Feng couldn't hide the excitement in his heart, and shook his hand and shouted: "With the hurricane ship in hand, why worry about the immortality of the mountains and seas?"