In fact, Roger originally planned to meet with Alice and others directly. However, after contacting Wendy through Heroic Certificate, Roger was helpless to learn that the compass of the elves showed that the Leaf of the World Tree was now in the direction of Yingzhou Island, and the sea elves that appeared before were just to confuse the public.

The importance of the leaf of the World Tree is absolutely self-evident. It is impossible for the leaf to be eaten by others first. Alice directly led the fleet to Yingzhou Island, while the ships of the Elemental Legion such as Wendy were moored on the side of a nearby island.

Roger has been recuperating in the underwater city for so many days, and probably Alice and the others have arrived at Yingzhou Island. Therefore, Roger can only let the Elemental Legion stay honestly first, while he and Sakura go to the ruins of the mermaid clan to search for the core of the alchemy city.

The far water cannot save the near fire. If Alice and others fail to land on Yingzhou Island and fail to seize the next alchemy city, then the core of the alchemy city that Roger and Sakura are now heading to find may become the life-saving straw.

With this idea, Roger went on an adventure with Sakura.

Although the blue-scaled dragon whale is huge, it actually has no combat ability. The only attack that can be used is to directly hit the enemy with its huge body. In response to this feature, the mermaids of the Blue-scaled clan put a layer of rock armor on the Blue-scaled dragon whale, and also installed a solid horn in front of the dragon whale's head.

Even so, the combat ability of the Blue Scale Dragon Whale is still quite low. Usually, it relies on the iron cannon snails attached to its body and the sailfish commando cruising around it to ensure its own safety.

If you take the blue-scaled dragon whale to the ruins of the mermaid city and really encounter large sea monsters like the sea dragon, the blue-scaled dragon whale will definitely not have any chance to escape.

So Roger and Sakura finally chose to leave the blue-scaled dragon whale on the sea, and the two dived alone to the ruins of the mermaid city.

Because he had to explore in the sea, Sakura turned into a mermaid directly. Roger still dressed up in normal clothes, wearing a complete set of strategic treasures on his body. With Sakura's mermaid blessing, although this is not as flexible as in the water when he became a seal, it is definitely enough.

Relying on the map given by the Blue Scale Mermaid Queen, Roger and Sakura successfully approached the ruins of the city, and then met a large group of fishmen.

The leader of the leading fishman warrior was stunned. Perhaps he didn't expect to meet an enemy nearby. He looked up and down with two dead fish eyes, and then he rushed up and down with the fishman warriors.

It seems that these fishmen have not had a good life.

Roger sighed helplessly, but spit out a series of bubbles, and then he shook his head and cast the water elemental summon.

This time, the sea elements were still summoned. Ninety-nine sea elements quickly responded to Roger's summoning. However, summoning sea elements in the sea water, there was a surprise that surprised Roger.

Since most of the body components of the sea elements are sea water, these sea elements are almost invisible in the sea, at least the fish people have not noticed the arrival of the sea elements at all.

Under Roger's order, the sea elements were completely ruthless. In the first round of attack, they directly killed nearly half of the fishman, including the strong fishman leader, which made the fishman panic.

However, the blood of the fishman also spread out, making the sea very turbid. Roger immediately took Sakura backed.

Fighting in the sea has such a disadvantage. For land races that mainly observe the world with their eyes and ears, once fighting in the sea, the obstruction of the vision caused by the diffusion of blood alone is enough for them to have a headache.

Fortunately, Roger summoned the sea elements to block the enemy. The elemental creatures that rely on elemental fluctuations to lock in the enemy have no facial features at all, so they are more adaptable to fighting in the sea than fish people. However, it is precisely because the fish people's blood dyed the sea area red, so the sea elements' figures were also revealed in the blood, and the fish people's counterattack was immediately welcomed.

Roger immediately felt something was wrong.

Previously, the Sea Elements had killed nearly half of the fishmen in one round of attacks, but now the Sea Elements have launched two rounds of attacks again, and the movement caused by the fishmen is still so great.

In such a turbid sea water, Roger could not see how many fish people were fighting with the sea elements. However, the True Knowledge Eye produced by the system was not affected. In the elemental vision of the True Knowledge Eye, Roger was speechless to find that the fish people were pouring out continuously.

Could it be. This ruin has actually been occupied by a fishman clan?

Roger Guard, whose mouth was twitching, carefully retreated on Sakura. In just a moment, the sea elements had already killed nearly 300 fishmen. Although they were all low-level fishmen warriors of first and second level, the amount was indeed very amazing. The blood of the fish people spreaded to make the sea area red.

"If this continues, it is likely to attract bloodthirsty fish like the sea demon shark." Sakura did not speak, but his voice clearly conveyed to Roger. Roger, who was busy commanding the sea elements, did not notice this. He just nodded slightly, then pulled Sakura with one hand and began to swim to the side.

Under the fierce attack of fish people without regard to casualties, the sea elements with advantage also began to suffer casualties. This made Roger's eyes suddenly froze.

Compared to clumsy movements on the sea or on land, fish in the sea are obviously much more flexible. Some mid-level fish warriors can dodge the attacks of sea elements, and even take time to counterattack twice from time to time. It is precisely because of this that sea elements will suffer casualties. Roger can no longer imagine what a tragic scene would be if the warriors of the elves or human race were in such a situation.

However, the strength of the sea elements is as high as the fifth level. Although there have been casualties, they still firmly entangled these fish people, making the fish people completely ignore Roger and Sakura who were quietly leaving in the distance.

Avoiding the main battlefield, Roger and Sakura quietly slipped through the fish people's defense from the side and successfully entered the ruins of the mermaid city.

From the scale of the ruins, we can see that this once mermaid city was not very prosperous, but there are all kinds of strategic buildings, which can be regarded as a sparrow with small organs.

Of course, now only a broken jade remains here.

The fierce battle between the sea elements and the fish people in the distance continued, and a large number of fish people troops went to support. This made the fish people's defense line very obvious loopholes, so Roger easily took Sakura through the fish people's outer defense line and entered the central area of ​​the mermaid city.

Compared with the heavily damaged buildings on the periphery, the various buildings in the central area are obviously much more complete. However, only a small part of the most important city council hall is left. Moreover, looking at the remaining traces nearby, Roger, who had experience in fighting with the sea dragon, easily judged that it was obviously swept away by the rumored sea dragon directly with his tail.

The alchemy city core of the mermaid clan is likely to remain there. After all, neither the sea dragon nor the fish man has the ability to build an alchemy city. The alchemy city core of the mermaid clan is of no use for these races.

Even if the core of the alchemy city is no longer in its original position, the fish that occupy these now must know their whereabouts.

However, near this central area, although the number of patrol troops of the fishmen is not large, the quality of the fishmen warriors has increased a lot. Compared with the low-level troops led by the third-level fishmen leader on the periphery, the fishmen warriors here are at least in the third-level, and the leading fishmen have even reached the sixth-level.

Perhaps it was because of the abnormal situation on the outside that caused the people of these fish to be vigilant. The cruising fishman troops carefully observed every corner where they could hide, which made Roger and Sakura very bad.

Carefully carrying Sakura to hide behind a broken wall, Roger stared at a fishman patrol swimming not far away, frowned very tightly.

It is not difficult to kill this fishman unit. It is rare that these fishman cannot make them ask for help or find the invaders. Once other fishman units are attracted, under the siege of large groups of middle and high-level fishman, Roger may be able to escape easily, but it is difficult to ensure the safety of the low-powered Sakura.

At this moment, Roger regretted bringing Sakura over.

Perhaps because he noticed the faint regret on Roger's face, Sakura raised her eyebrows: "I have a way."

Before Roger could react, Sakura swam straight to a fishman unit that was about to arrive here.

The fish that found the invader were about to shout, but were completely shrouded in by the light emitted by the water god mirror in Sakura's hand.

The originally aggressive fish people suddenly felt weak in their limbs, their eyelids slightly closed, and they all fell asleep soon.

The hypnosis ability of the mermaid clan? Or the power of the mirror?

Roger looked at Sakura with some surprise, and Sakura just shook her hair calmly. She didn't even look at Roger in front of her.

The sleeping fishman army had completely lost its ability to resist, and Roger easily killed all the fish heads. Moreover, in order to prevent the bloody smell from attracting the attention of other fishmen, Roger used ice magic to freeze all the fishmen, and absolutely killed the fishman without blood.

With Sakura's help, Roger easily approached the former city council hall. However, something strange was that the surrounding fishman troops seemed to have deliberately bypassed this area, which made Roger slightly worried, but he finally sneaked into it with Sakura.

The first floor of the Council Hall is quite complete, but it is empty at the original core of the alchemy city, which makes Roger slightly disappointed.

After all, if the core of the alchemy city is not here, he can only find a way to completely wipe out the fishman here and then go to the fishman's nest to take a look.

Sighing slightly, Roger, who had spit out two bubbles, slowly returned the same way, and Sakura, who was looking at the wind at the door, turned around and suddenly said with a shocked look: "Be careful."

Roger, who was shocked, had no time to turn around and was swallowed by a huge mouth. To be continued.

ps:ps:Thanks Wu for his monthly ticket support here, thanks to jhfijydf for his evaluation ticket

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Chapter completed!