Behind the underground passage is a wide and strong stone door, which fits with the surrounding area, leaving no gap, and not even a needle can be pierced into it, commonly known as the broken dragon stone.

I don't know the mechanism, if you don't have a key, you don't have the strength of tens of thousands of catties to push it up.

Facing the stone gate, Yu Xian wanted to ask the princess if King Fu had left any keys or tokens.

But after thinking about it, he had just lightened the princess, and going to her at this time might make her feel that she was getting an inch, but it was not beautiful.

He stopped in front of the stone gate and thought for a while.

As soon as Yu Xian opened his mouth and spit out, a green light more than three inches long floated in front of him, which was his blood refining weapon, the Blue Blood Sword.

The name doesn't mean much, Bi is the color, the blood is really his blood, and the sword is the shape, simple and rough.

As for the derivative meanings such as blue blood and danqing, gentleman's observance, etc., it is true that he is too high-minded.

"Go!"

Yu Xian's mind moved, and the green mangs swelled in an instant, like a drill stabbing towards the stone gate.

And then surprisingly relaxed.

It's like a knife cutting into tofu, barely hindered in the slightest.

The green mang cut into the stone gate, and after a few strokes left and right, it cut out a hole that could accommodate one person to pass through.

Yu Xian glanced at the incision and found that the stone gate was actually a certain thickness, and it was completely integrated.

At the beginning, King Fu didn't know how much effort it took to put it here, even if the innate grandmaster went all out, I am afraid it would be impossible to break a little.

But in the face of his magic weapon, there was no resistance at all.

"The Broken Dragon Stone is invulnerable, and it is connected with the leylines of the earth, if I am still in the middle of Qi training, it will take a lot of effort to get in.

It's no wonder that he can be called a master in the late stage of qi training, and there is no way to have a weapon in hand, which is simply a qualitative change. ”

Yu Xian's spiritual sense opened the way and probed into the secret room, but he did not find any mechanism to stop him.

Obviously, in the hearts of the designers, it is the same to be able to open this broken dragon stone, with or without mechanisms.

Smack!

Sparks flashed, and the chamber shimmered.

Yu Xian took a breath first, and didn't feel half a point of turbidity, which was the same as the outside world, obviously there were ventilation ducts in the secret room, not completely closed.

The secret room is about a hundred square meters, with rows of bookshelves.

On the shelves, there are treasures worth thousands of gold in the outside world, and there are some calligraphy and paintings that can be handed down to the world, all of which are carefully framed and hung.

At the moment, the shelves were sprinkled with a layer of dust, and no one had cleaned them for a while.

Yu Xian glanced at it and stopped looking.

Prosperous antiques, troubled gold.

Now that Yue Guo is in troubled times, he can't exchange these things for much silver, and they still occupy the space of his storage bag.

Then there are some divine weapons, mostly swords.

Boom!

Yu Xian took out a sword inlaid with seven-colored gems on the scabbard, the sword body was half exposed, the cold light was cold, and the blade seemed to be sharp, with the advantage of blowing hair and breaking hair.

"The name of the sword is Seven Stars, but it's a pity that it's just a mortal sword."

Yu Xian pushed back his hand, the sword was back sheathed, and with another turn of his wrist, he put the seven-star sword behind his back.

"But it's good to disguise a swordsman, it's enough to be a sassy bag, worthy of me."

Then there is a square brocade box.

Yu Xian first swept through his spiritual sense, confirming that there was no mechanism in the brocade box, so as not to overturn in the gutter, even if it couldn't hurt him, it might make him embarrassed.

The brocade box opens.

It's actually medicinal herbs inside!

Yu Xian can also be regarded as a good doctor after a long illness, and he has dealt with Dr. Huang for so long, and he has some eyesight for distinguishing some medicinal materials.

"This ginseng has complete roots, hidden human form, and spiritual energy, at least two hundred years old.

Even in the world of cultivating immortals, it is a good elixir, at least it can be sold for dozens of spirit stones, and I don't know where King Fu got it.

Ahem, lord, I will take care of the princess and your son for you, and this ginseng will be my reward. ”

Yu Xian chattered, and the next second the brocade box was put into the storage bag by him.

If the ginseng is more than 100 years old, it can be regarded as an elixir, and it is also the limit of medicinal materials in the mundane world.

The most precious medicinal wine that Dr. Huang prepared for him before was a century-old ginseng, and it was only used for the roots.

But there are exceptions to everything, and medicinal herbs that can break through the growth of the year will occasionally appear, but they have always been hard to find.

I didn't expect Fuwang to have one here.

"Could it be that King Fu is really dead, otherwise such a precious medicinal herb would not have been taken away?"

Yu Xian has always suspected that King Fu faked his death and escaped.

But when I saw the treasures in the secret room, I felt very unconvincing.

"It's not right, maybe King Fu feels that there is no safer place than here, rather than moving to another place, it is better to stay still."

Yu Xian's thoughts turned around, but it didn't prevent him from opening the brocade boxes one by one.

However, it is probably a good start, and the remaining medicinal materials are also very precious, such as musk, deer antler, He Shou Wu, etc., all of which are rich in medicinal fragrance and are obviously extraordinary.

But after all, it is still the level of the mundane world.

But Yu Xian didn't dislike it, and packed it all into a storage bag.

The medicinal herbs here are all great tonics, and it is good to use them to make wine. Dr. Huang's perfect tonic wine, there are several main medicines here.

In the far corner, there are a book of cheats, which are also stored one by one in a brocade box, and sprinkled with some kind of anti-insect medicine, and the book has a strange smell, a bit like mothballs.

""Splitting the Muscles and Wrong Bones", "The Big Tablet Wrestler", "Mixed Yuan Thunderbolt", "Tai Chi Pushing Hand" ......"

"Flying on the Grass", "Feihong Treading the Snow", "Crossing the River with a Reed", "Lingbo Microstep", "Eight Steps to Catch the Cicada", ......"

""Golden Body Gong", "Bronze Statue Body", "Pure Yang Boy Body", "Tiger Roaring Dragon Yin" ......"

"Xuannu Sutra", "Su Nu Sutra", "Peng Zu Sutra" ......"

Yu Xian didn't care at first, thinking that it was just a mundane martial art, and even the so-called innate martial arts could not compare to the subtlety of a random spiritual technique.

But it wasn't until he saw the Fang Zhongshu in the collection of King Fu.

"Learning is endless, learning is endless, worthy of the collection of King Fu, this painting is really exquisite, hiss, this posture seems to be very powerful."

Anyway, the cheats are not thick, Yu Xian picked a few books of various types, especially the room in the room, he didn't leave a single one, and all of them were stored in the storage bag.

This is about his way, and it should not be taken lightly.

After putting away the operation in the room, plus the harvest of medicinal materials, Yu Xian already felt that the trip was worthwhile.

But when he saw the last brocade box, he realized that he was too happy too soon, and he could be a little happier.

Inside the box are three pieces of jade, white and yellow, but they are all dull, as if they are made of miscellaneous jade.

But Yu Xian could see at a glance that this jade slip was the carrier used to record information in the immortal cultivation world.

But all immortal cultivators have spiritual sense.

As a result, the information is no longer completely written, and many precious information will be collected using jade slips, which is much more convenient than the carrier of paper and animal skins.

Yu Xian swallowed his saliva and picked up one of them and put it on his eyebrows.

""Blue Sea Tide Shenggong", a low-level high-grade exercise, after practice, the mana is like a tide, three percent higher than the same level, and the highest can be practiced to the foundation building realm."

Yu Xian took a cursory look at the exercises, and found that it was indeed much better than his low-level "Innate Qi Cultivation Technique", and the mana cultivated was not only deeper than that of the same level, but also had a power bonus when he used the water system spiritual technique.

However, this exercise is close to the water system, and if you want to change the practice in the future, you can only choose the water system exercise.

"This should be the cultivation method of the great enshrinement in the palace, it is worthy of the royal heritage, and he can actually take out this low-level high-grade exercise casually.

It's a pity that it's not for me, if only there were exercises in Jinmu. ”

If this is an exercise above the intermediate level, even if it is not suitable, Yu Xian will not hesitate to transfer to practice.

But it is a low-level high-grade, and low-level exercises can only have an advantage in the Qi training stage, and the advantage is extremely weak after building the foundation.

He is now at the ninth level of Qi cultivation, unless it is particularly suitable, and then he goes to practice low-level exercises, but the gains outweigh the losses.

He picked up the second jade slip.

"Basic Water System Spiritual Arts", Water Archery, Water Cover, Water Prison, Water Wall, ......"

"This is not bad, although my mana is not close to the water system, but the spiritual art is universal, at most the power is not as strong as others.

And these spiritual techniques are very comprehensive, offensive and defensive integration, now I can fight the world without fireball techniques. ”

"And the last jade slip, I don't know what surprise can I get?"

"Qi Accumulation Technique, a first-order secret technique, can cover up the fluctuations of one's own mana, hide the breath and hide the qi, and practice to perfection, and can conceal the cultivation under the scan of the foundation building divine sense."

"This ......"

Yu Xian was stunned by the surprise.

This is simply a necessary method for Lao Yinbi, he has been longing for it for a long time, and with this method, it doesn't matter if he exposes a little cultivation in front of people in the future.

It took a while for Yu Xian to calm down and be excited.

"Lord, you can go in peace, I will take care of the princess."

Otherwise, he really couldn't bear to accept so many gifts in vain.

After leaving, Yu Xian called someone to come over and move the other treasures out of the secret room, and packed them all away.

Anyway, he's going to run away, and keeping these things is also an enemy, so it's better to exchange some silver for him.