So, Li Chengfeng felt nostalgic, so he spent 10,000 naughty points to buy a solar-charged mobile phone.

Carrying his mobile phone in his trouser pocket, Li Chengfeng finally felt like he was back in the 21st century.

But it's a pity because Datang doesn't have internet.

So this phone can only be used to take pictures, record videos, and play some simple stand-alone games.

But it doesn't matter, you can take pictures and record videos.

Li Chengfeng originally thought that gaining 1 million naughty points would already make him very happy.

But what is the other reward, a space-time fragment?

Could it be the fragments used to travel through time and space?

Thinking of this, Li Chengfeng's eyes widened.

Through time and space, through time and space!

Could it be possible to travel back to the previous 21st century?

So, with excitement, Li Chengfeng clicked on the fragments of time and space to view the details of the information.

[Time and space fragments, function: the host can choose a specific time to travel through! Every time you travel through, you need to consume a space-time fragment for a period of three days. After three days, the gate of time-space will disappear automatically! When the host collects enough space-time fragments, the time-space gate can be formed to complete the real time-traveling gate! 】

"Pfft... what the fuck, **** it! Is it really possible to travel through time and space?"

Li Chengfeng couldn't be more excited.

He picked up the fragment and observed it in the palm of his hand.

He found that it was a broken jade, white and sharp.

There are also some tooth lines on the side of it, which can be pieced together.

Therefore, Li Chengfeng wanted to collect enough space-time fragments as soon as possible.

Because of this, he can freely travel back and forth between the 21st century and the world of Tang Dynasty.

Because, the gate of time and space can be used infinitely.

But the space-time fragments are only one-time consumables.

When it's all used up, there's nothing left.

But at the same time, it can also be exchanged for three days of travel time.

This is not what Li Chengfeng wants.

So what if I go back to the 21st century for three days?

So what?

Drink two cups of milk tea, play lol all night, and then come back? Or, don't come back at all?

No, no, time travel is such a fun thing, how can you not come back to play?

Therefore, Li Chengfeng collected the fragments carefully and put them in the system's warehouse.

That Gu worm, Xiao Jin, now turned into a golden butterfly, flying around in the system warehouse, it is now an adult insect.

It's fine, it just likes to hang Li Chengfeng's space-time fragments, flying around in the warehouse, it is only willing to bite the space-time fragments, but finds that it can't bite at all, so it simply gave up.

Whenever it wants to eat space-time fragments, it will be taught a good lesson by Li Chengfeng.

Sure enough, Foodie Jin's character hasn't changed at all!

But now that the world is in peace and prosperity, after solving the Wu Gu sect in the Qinghe Valley, Li Chengfeng seldom plays with Gu worms!

…

Li Chengfeng originally thought that these two unexpected gains had already given him a great surprise.

The result was within a few days.

It was the news of the opening of the Tianyue Grand Canal that reached Li Chengfeng's ears.

Then…

"Ding, congratulations to the host for completing the ultimate hidden task: digging out a Grand Canal that runs through the north and south of the Tang Dynasty! Comprehensive score: SSS! Reward naughty value + 1 million points! Reward time-space fragments +1!"

"Pfft, is it true or not? Digging the Tianyue Grand Canal is also a hidden task?"

Li Chengfeng was dumbfounded at the time.

Has conscience discovered the system? I have been setting hidden tasks for myself. After completing them, I can get enough naughty points, and even extra space-time fragments?

So Li Chengfeng was even happier!

Now, the system has successfully opened the fifth floor.

Li Chengfeng wants to go to the system to see if there are space-time fragments to buy.

The result made him a little disappointed. Even the system on the fifth floor did not have space-time fragments.

Perhaps, this kind of fragment needs to be upgraded to a higher level in order to purchase it.

Or maybe, this kind of fragment can only be obtained by completing the SSS level hidden mission.

Therefore, Li Chengfeng began to think about it by touching the bar.

Hidden tasks at the SSS level are all difficult.

For example, open the Tianyue Mountains and dig the Tianyue Grand Canal.

What if he became the God King of the Town ahead of time? Is this a hidden mission?

Or, led the army by himself and subdued the Tubo and Turkic empires? Is this a hidden mission?

Or, to develop Datang's marine fish industry by yourself, is this also a hidden mission?

How about becoming the richest man in Datang? Sailing to the West and discovering the New World? Or what about the destruction of the island country?

Well, these should all be considered hidden missions!

Li Chengfeng found out.

Hidden missions at SSS level, in addition to being difficult to complete.

There is one more feature.

That is, it is necessary to make great contributions to the people and to Datang.

Only in this way can it be scored to the SSS level.

After mastering the conditions of SSS-level missions, Li Chengfeng's heart became much more at ease!

In the future, there is still a long way to go!

…

Today is July 12th.

There are three more days until the Mid-Autumn Festival.

Li Chengfeng was sitting in the courtyard of Prince Zhen's Mansion, shaking his legs leisurely in boredom.

Recently, the weather has finally warmed up.

In a few days, it is estimated that the air conditioner can be turned on.

The watermelon bears fruit and waits for it to ripen.

Happy summer is coming.

Li Chengfeng sat on the rocking chair with his legs crossed, very leisurely.

Because he is the eighth prince of the Tang Dynasty, he can live comfortably without working, and he doesn't need to go to school, because Du Ruhui can't give him knowledge.

Therefore, Li Chengfeng feels a little bored recently.

At this time, Li Chengfeng wiped his trouser pocket, and suddenly took out a white mobile phone from it.

This mobile phone only has no Internet, and other functions are still complete.

"Does the router work? Does the wireless network card work?"

"It doesn't seem to be useful, because Datang doesn't have a network at all!"

Li Chengfeng looked up at the sky and sighed helplessly.

Then, he turned on his phone to take a picture.

Aimed at the gate of his luxurious compound.

"Crack!"

Press the photo button, and a clear picture is frozen on Li Chengfeng's phone.

He recorded the first photo of himself after he came to Datang.

Afterwards, Li Chengfeng turned his head again and took a picture of the scenery behind him, the courtyard.

Especially the entire Zhenwang Mansion is so big that the camera frame can't fit it.

Such an imposing house, if placed in the 21st century~lightnovelpub.net~, would at least sell for hundreds of millions!

"Come on, Eunuch Wu, have a smile!"

Suddenly, Eunuch Wu passed by Li Chengfeng.

Li Chengfeng made him smile.

Eunuch Wu felt a little embarrassed and said, "What are you laughing at?"

"Are you smiling? Grin!"

"Ha ha ha ha…"

Eunuch Wu complied.

Afterwards, Li Chengfeng took a photo.

He laughed heartily, and quickly motioned for Eunuch Wu to look at the photo in his hand.

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