As for Miria's safety, Chi Nan still attaches great importance to it. This time, the guards directly dispatched thirty of them. Two of them are at the gold level, which is the top master in the entire territory.

Although the Golden Warrior does not play a role in the sea, it is still possible to protect from some dangerous situations at close range. With these two guards here, it would be difficult for even a golden master to sneak up on Miria.

At the same time, Chi Nan also sent a lot of people to control a large number of submarines in the water, wrapping Miria's submarine in all directions for protection. This entire formation was secretly modified by Chi Nan. During the whole process, Miria had no idea that she had been protected by Tuantuan.

And the sea spirit who led the way, after transplanting a nerve brain on his body, put it on a submarine alone, and gave him the lowest level of permission, allowing him to lead the way in the sea.

If there are any bad moves that can be made by separating this sea spirit in this way, then there is no way for Chi Nan.

Milia has always had the idea of exploring the sea, and finally succeeded in pedaling on the journey, and everything else can only depend on Milia's. Basically, there are no big things, and Chi Nan will pay attention to it at most and will not interfere directly.

And Chi Nan's next step is to complete the task given to him by Miria. Of course, Chi Nan won't admit that it's just because he's bored and wants to find something to do.

"In the water, the development of submarines is already good, they can dive at will, they can stay in the sea for a long time, they can provide food by themselves, even the air can provide themselves, and there is no problem with the living environment. Moreover, although the submarine can only lift off and cannot move, it is no problem to avoid some dangers. ”

Chi Nan thought silently: "Then the biggest problem is the submarine combat means." There are only two types of ice arrows and ice cannons. The ice cannon is similar to the wind cannon, this thing is basically chicken ribs on the airship, not to mention the ice arrow. ”

Chi Nan himself knew very well that the power of the ice arrow was very small, similar to the previous cannon, at most, it didn't need to be loaded, and that's it. No way, many weapons are unusable in the sea.

Think about it, it is not to say whether the main weapons of the airship now, cannonballs and bat missiles, can exert speed in the sea, but these weapons themselves are fire element explosions, and the effect is not good in the sea.

There is also a wind cannon, which will also be affected by the seawater, so it is replaced with an ice cannon, which is more suitable for use in the sea. There is no problem with the shell and the defensive light tree, this one is generic. But this can only be used to defend yourself, not to attack. As for those hummingbird fighters, not to mention, they can't be used in the sea at all.

As soon as you get out of the cabin, the tremendous pressure can crush the hummingbird fighter into a cake. Even if this pressure is ignored, can the Hummingbird fighter still fly in the sea, so it needs to be changed to a different form.

"It's very similar to the Hummingbird Fighter, and that's the Manta Ray form. Write this down and study it by catching a few manta rays. Chi Nan slowly recorded the idea.

Finally, the kind of laser fern that was recently given to the army saint-level can't be used in the sea either. Chi Nan just thought about it, and then vetoed it. The Laser Fern uses the power of both fire and water.

But in essence, it is the water element that excites the fire element, causing the fire element to flow rapidly and produce super destructive power. But this is the sea, and no matter how powerful the fire elemental is, it will be extinguished in the face of an environment full of water. Moreover, in the depths of the sea, it is not easy to gather the fire element.

In this case, it can only be improved from the original weapon. "No, let's equip all these submarines with magic cannons. Although this thing can be used in the sea, the cost is too high. ”

Chi Nan hesitated a little, the manufacture of a magic light cannon was much more difficult than the manufacture of a submarine. Although Chi Nan wanted to use the magic light cannon to make his magic crystal mine useful, he couldn't waste it like this.

So, Chi Nan began to use his new ability to analyze and study the magic patterns of various plant abilities in the water, and then transform them. Driven by the new ability, as soon as he felt the magic pattern, many different improvement methods had already appeared in Chi Nan's heart. This method, as if it was an innate instinct, appeared in Chi Nan's hands at once.

Combined with various mutation and improvement methods, it only took a few days for Chi Nan to improve successfully.

"Compressed water bombs, very good weapons, test it, if it works, then use this. ”

Chi Nan threw the newly made special bomb into the water. After reaching a specific location, the water explosion bomb condensed a huge water element and exploded instantly. With a "boom", the surface of the sea instantly bulged a large area.

"The power is very good, try it out at the gold level, and if it's suitable, use this in the future." Chi Nan nodded. A water explosion bomb is a layer of high-pressure water explosion bomb formed by compressing a large amount of water and then suddenly exploding open. The impact is very powerful, and it also carries a strong shock wave, and the fish and shrimp are extinct everywhere they pass.

This is improved by using the life-saving wood magic pattern that controls the flow of water. The disadvantages are not without them. The biggest drawback is that this thing must have water, and without water, the flow of water cannot be compressed.

If it detonates in the air, it won't be very powerful. However, in the sea, this thing does not consume much mana, but it does not produce much power. When the experiment was completed, the gold-level water explosion bomb was completed, and Chi Nan was even more satisfied.

"Except for the slower launch speed and the smaller attack range itself, there is no other problem. In terms of power, it is only a little weaker than the ordinary Golden Bat missile, and it is enough to become a decisive weapon in the sea. Unfortunately, it can only be used in the sea, and it is useless to put it on the surface of the sea. ”

Chi Nan said as he thought, but it was already good to be able to reach this level. Repeatedly sure that there would be no problem, Chi Nan added this compressed water bomb to the submarine series.

Compressed water bombs don't need to be able to fly, so they are not made in the shape of a bat missile, but instead of a torpedo. Of course, this torpedo is more like a fish, with a fish's tail in the back.

The speed of launching in the middle of the sea is not as fast as that of the Bat Missile, but it can still reach nearly half the speed of the Bat Missile. This kind of speed is already very terrifying in the sea.