After weighing the pros and cons, Li Changsheng said, "I can save your life after the event and promise that no one else will harm you."

Compared with the Royal Neiku, Dou Yuansheng's life is a fart. With the strength gap between the two, Li Changsheng can find a chance to kill him at any time.

"How can I believe you?"

Dou Yuansheng is suspicious by nature. He always feels that he is not at ease without guarantee. After all, if Li Changsheng is shameless, he can be killed afterwards.

Li Changsheng shook his head and said, "Ninth prince, you have no choice, either believe me or refuse! To tell you the truth, I'm not going to break my promise for you. "

"I promise you!"

As Li Changsheng said, Dou Yuansheng had no choice but to bet on whether Li Changsheng would abide by his promise, and he could only promise.

"Tell me a little bit about the information here first!"

Dou Yuansheng organized a sentence and said: "the Royal internal library has been established for 288 years. There are also two kinds of secret library and open library. This is the hidden library. Only those who have made great contributions or are directly related to the royal family can enter the imperial library. You've been to Mingku, right next to the core treasure house... "

"Compared with the Ming Treasury, the level of treasures in the dark storehouse is higher. At the same time, there are many prohibitions here, and there are powerful forbidden array guardians. Without corresponding certificates, it is difficult to get the treasures that are forbidden and protected by forbidden array. If they are broken by force, the treasures will be destroyed by self destruction prohibition."

"Where are the two tokens?"

After Dou Yuansheng's introduction, Li Changsheng took out two gold and silver tokens.

"This should be the gold and silver certificate that controls part of the prohibition and ban of the array in the dark storehouse, but only our royal family can control it."

"Take it. Remember not to play tricks, or you will die miserably."

To Dou Yuansheng's expectation, Li Changsheng directly threw the gold and silver certificate to him.

Even if Dou Yuansheng manipulates the forbidden array here to deal with him, Li Changsheng has the ability to deal with it. Besides, Dou Yuansheng may not be able to find an opportunity. Neither Li Changsheng nor Li Haoyuan will give him a chance to do small moves.

"I'm not that stupid!"

Dou Yuansheng's mouth was shriveled. Although Li Changsheng killed his father, the royal family was merciless. For the sake of the throne, there should not be too many conflicts between brothers and father and son.

In short, Dou Yuansheng obviously cares more about his own life, and puts the rest aside.

At the next moment, Dou Yuansheng's mental power poured into the silver token.

In the blink of an eye, the forbidden arrays and prohibitions outside the imperial inner library were silent, revealing boxes of different materials.

The natural treasure in the box is a treasure, but the quantity is not very large, and there are only dozens of them.

However, they are superior to the higher grade, at least they are the treasures of the world's elite level.

Li Changsheng did not take a close look. He waved his sleeve directly. Under Dou Yuansheng's painful eyes, these treasure boxes flew over one after another. All of them were stuffed into the space ring by Li Changsheng and disappeared.

After collecting the peripheral treasures, Dou Yuansheng and the two men went to the depths of the Royal inner Treasury.

Soon, a colorful screen of light blocked their way.

At this time, Dou Yuansheng began to input mental power into the golden token.

In a flash, a white light rushed out of the token and shot into the light curtain.

The light curtain fluctuated violently for several times, and finally disappeared, revealing the scene inside.

This is a small room, which is dozens of square meters.

In the middle of the room, there is a table made of gold, on which there are several closed treasure boxes.

But these boxes are all wrapped up in composite prohibitions, including the self destruction prohibition.

As long as you attack the treasure box, the self destruction prohibition will be activated and the treasures in the box will be destroyed quickly.

Seeing that Dou Yuansheng did not continue to do so, Li haoqiong on one side asked in doubt: "why don't you continue to open these prohibitions?"

"It's no use. These compound prohibitions were created by our ancestors. Only when we get the corresponding certificates can we open the prohibitions, and only one can be opened!"

Dou Yuansheng stopped for a moment and continued, "even if we are members of the royal family, we can only get the certificate by making great achievements. In my generation, only the third brother has won this kind of honor."

The third brother in Dou Yuansheng's mouth refers to Dou Yuanbin, the third prince.

"What now?"

"I can't help it!"

Dou Yuansheng shook his head and continued, "of course, you can also try it."

"Don't try!"

Li Changsheng finally opened his mouth, and then under Dou Yuansheng's astonished eyes, he directly moved the whole table away

In Li Changsheng's opinion, the dark night King Dou Tianqiong put the treasures here with such solemnity. According to Li Changsheng's estimation, the treasures contained in them are at least rare treasures of heaven and earth, and there is no small possibility that there are world wonders.

His idea is very simple. He can only get a certificate or open the sky of the night King sinus. Even if the probability can be described as very small, it is better than being destroyed by the self destruction prohibition.Li Changsheng experimented and found that the gold table and treasure box could be put into the space ring, so he put them away.

Dou Yuansheng looked at the pain, just like Li Changsheng was cutting his flesh. After all, these are the most important treasures of the royal family. Every treasure can be described as priceless, so it was taken by Li Changsheng.

However, Dou Yuansheng was nervous again, and the words "birds are all good, the cunning rabbit is dead and the running dog is cooking.".

Now Dou Yuansheng can only hope that Li Changsheng will keep his promise, otherwise next year today will be his memorial day.

"Leave the space ring and you can go!"

Li Changsheng didn't break his promise. There was no way. Dou Yuansheng didn't threaten him at the moment.

In addition, he has some methods to deal with Dou Yuansheng.

Dou Yuansheng, like an amnesty, hands Li Changsheng the ring of space and leaves with the fastest speed. He soon loses his sight.

"Changsheng, we just let him go?"

"Otherwise Li Changsheng shrugged, followed by a tone of voice and said, "however, we can publicize this matter, to ensure that he does not eat good fruit."

Since he was destined to be the enemy, Li Changsheng naturally would not miss any opportunity to weaken the royal family.

"Well, let's meet them now!"

After Li Changsheng finished, he took Li haoqiong and Ning Bizhen to meet.

They have also finished cleaning, and are standing on a palace, counting the harvest.

This time, it is very risky for them, but the harvest is also in contrast, which can definitely increase their chances of being promoted to the king.

Everyone's face is full of joy, but there are also hidden worries. After all, with the fall of Dou Changsheng, and the fact that they have swept away the royal land, Langya kingdom is doomed to be unable to accommodate them any more.

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