Zhao Yun was very careful. In this battle, the naval fleet that wiped out more than 10,000 Ono's men was killed and injured in melee battles, which was a great victory!

Zhao Yun went to the island to observe and found that there was enough tamsui here. No wonder these Japanese bandits chose this place as a place to rest and hide.

Zhao Yun was overjoyed and asked his disciples to clean up the battlefield and build a city fortress along the circular tiger shark island.

Tiger Shark Island is a natural military base. Unfortunately, the Japanese bandits only regard it as a temporary base for rest and have not built a strategic defensive offensive. This is because the Japanese bandits are too arrogant. Otherwise, Ono would only have to close the door to defend, and Zhao Yun would really find it difficult to eliminate Ono.

In less than a month, a circular city was built, and the only exit was replaced by a tall portal. In this era, without cannons, it would be impossible to break through with manpower alone.

Since then, Tiger Shark Island has become a military base overseas in Changshan County!

Because Ono was killed all and stayed away from the island, it was several months later when the Japanese mainland learned the news. The Japanese Emperor was furious and sent hundreds of warships to count the navy to siege Tiger Shark Island, trying to avenge his previous shame!

But when they came to Tiger Shark Island, they couldn't help but become stupid.

Is this still a deserted island in the past?

I saw a fortress several feet tall, standing in a large C-shaped shape in the vast ocean, like a giant warship that never sinks, despising Huanyu!

The Japanese bandits severely cut off the route to the Central Plains.

The Japanese bandits were furious and ordered a siege, attempting to take down the Tiger Shark Island. But they were greeted by countless rains of bows and crossbows.

According to Zhao Yun's instructions before leaving, the king's disciples only defended but did not attack. They went away and shot the Japanese bandits with strong bows and crossbows. When they approached, they killed the Japanese bandits as if they were struck by lightning, and they stood up on the spot.

Faced with the powerful firepower of the Lord, the Japanese bandits were caught off guard and countless casualties were killed or injured in an instant. They attacked for three consecutive days without any achievements, so they had to go back to their hometown!

Zhao Yun was already in Changshan County watching the good news sent by the king's disciples.

"Okay, the Japanese bandits will not come again in such a short time. But their alliance with Cao Cao should not be underestimated. We must find a way to completely eliminate them."

The best way to eliminate Japanese bandits is to cross the sea and occupy Japanese islands!

However, with the current maritime power, the defense is sufficient and the offense is weak. If the ships cannot penetrate deep into the vast oceans, they cannot land on the Japanese islands. How can they occupy it?

"It seems that it's time to build some armored warships!"

Modern warships popped up in Zhao Yun's mind. Of course, with the current smelting technology, it is no problem to build some iron sheets. Paste the iron sheet on wooden warships not only can resist the impact of enemy ships, but also damage enemy ships. It's very fun!

Despite this, at least three millimeters of iron must be made, otherwise everything will be free.

It is too thin and does not work at all. It is too thick. It is probably impossible to make it at the current smelting level. Three millimeters are the optimal thickness, and it is still difficult, which requires a huge amount of ore.

"It's difficult!" Zhao Yun sighed to the sky.

There are explosives, how many grenades can't be made?

Grenade?

Zhao Yun's eyes lit up. A good idea is much easier than building an ironclad ship.

All mines have been created, let alone grenades!

"Grandma, you should be unlucky in the Japanese bandits!"

Do it as you say it, and start immediately.

While Zhao Yun asked someone to search for ore everywhere, he began to make grenades.

At this time, a bad news came, and Lu Bu was injured. Zhao Yun was shocked. Lu Bu was unparalleled in martial arts. Who could hurt him except himself?

After receiving the secret report, I couldn't help but be in vain.

It turned out that Cao Cao had also developed gunpowder at some point. Although it was not very powerful, it suddenly spurted out from the three-eyed musket, which still burned one of Lu Bu's hands.

"Mad, this is a flamethrower!"

The fireworker who Cao Cao plundered accidentally hit him and did not create something that could explode like Cao Cao said, but he created fireworks with extremely strong jet power that could be sprayed several feet away.

Lu Bu was careless and said, "If the Red Rabbit Horse had not run fast, it would have been burned with one hand. If it weren't done properly, it would have been disfigured or even more serious burns."

Cao Cao also had a firearm, and was also installed on the naval warship. The naval combat effectiveness rose sharply. This time it was the Japanese bandits who curled up with Cao Cao and gave it to Cao Cao a hundred delicate Japanese beauties. Cao Cao was overjoyed and tasted the taste of Japanese beauties overnight.

But at first sight, Cao Cao was so scared that he shouted to the point of seeing a ghost and suddenly softened.

I saw the Japanese beauty, her pink and white face, her short eyebrows were like a rabbit's tail, her red lips were like fire, but her teeth were black, as if she was a ghost.

It would be strange if Cao Cao was in a mood!

However, due to the alliance, I could only pretend to be smiling to the outside world and secretly broke into the cold palace!

In order to defeat Zhao Yun's navy, Cao Cao sent some of the firearms to the Japanese bandits. Zhao Yun was furious when he learned about it!

"Cao Thief, dare you!"
Chapter completed!