Probably because the Void Old Monster is obsessed with collecting mystical books, and often exchanges books with people at the same price, the collection of mystical books in the secret vault of the ghost castle is no less than that of the Qingyun Empire, and all of them are more than six-star mystical experiences, of which the eight-star grade fire magic mysteries account for six, and three of them are not learned by Xu Wen.

The undead profession also has a lot of collections, there are as many as fifteen of the seven-star and eight-star ones alone, and what is even more rare is that there is also an eight-star Xuantian-level magic, Xu Wen took a cursory look at it, closed the book, and put it all into the storage ring, and then swept out of the secret vault.

The effect of the Elemental Turbulence Pill did not disappear, and Bodong's group of people were still trapped in place by the Demon Beast Gate, and when they saw Xu Wen appear, Bodong opened his mouth and replied:

"I can make a soul pact with you, but on one condition. ”

During this time, Bodong finally figured it out.

Xu Wen was less than twenty years old and already possessed the strength of the Dark Emperor and the Revenant, following him may not be as bad as imagined, not to mention, according to Xu Wen's development and promotion speed, it is inevitable to help the Qingyun Empire fight against the Dark Empire, and the two of them may meet on the battlefield again at any time.

The last time the Dark Emperor made a move, what about the next time?

After careful consideration, Bodong finally decided to compromise with Xu Wen.

Regarding Bodong's change, Xu Wen didn't feel the slightest difference, and nodded: "You say." ”

"I hope that in the future, there will be enough Restoration Pill, and there will be too many inconveniences with this shell...... Also, at least you can leave me that small portion of the Blood Coral Flesh Essence. ”

"No problem. ”

Xu Wen agreed without thinking about it, Bodong's previous condition is naturally no problem, it doesn't take much time to refine the Reduction Pill, as for the Blood Coral Flesh and Blood Essence, he may not be able to use up the rest of the whole one, and when the time comes, he will refine a Blood Dragon Pill for him, and Bodong will also be his slave at that time, and his cultivation will be high, which will also be a help to him.

Bodong paused slightly, glanced at the two female apprentices beside him with infinite emotion, sent the soul flame, and completed the signing of the master-servant contract.

It is different from the soul flame of the three of Ruan Feng.

Bodong's soul flame was golden, two circles larger than the white soul flame, extremely striking and condensed.

"What are the others going to do?

After completing the contract and glancing at a group of people in the distance, Bodong's eyes flashed with an undisguised strong killing intent, and his voice was not deliberately lowered, including the old butler of the ghost castle, and the faces of more than 100 people in the distance turned white.

Xu Wen was terrified, and his heart said that this guy is really a ruthless master.

"No need. ”

Xu Wen waved his hand and ordered: "During this time, I am going to stay in the ghost castle and practice in retreat, as long as I ensure that the news does not leak out during my retreat, there is no need to move them, temporarily confine the cultivation, stay in the castle to serve, and wait for us to leave before lifting the confinement, when the time comes...... Except for the Dark Emperor and the Revenant, there are probably few people in the Dark Empire who can be my opponents. ”

Hearing this, Bodong nodded respectfully.

Sensing the grateful gaze over there, Bodong knew that the good man had done it to Xu Wen again, and he didn't mind, nodding respectfully, everything was so natural.

Xu Wen's subordinates showed mercy to the old butler and bowed over: "My family has a special cultivation room in the castle, and the adults should like it." ”

Xu Wen nodded, turned his face to Ruan Feng and the others: "During this time, you continue to be responsible for monitoring...... Remember, no one is allowed to leave the Ghost Castle, no stranger is allowed to approach, and if there is something you can't do, look for him. ”

Ruan Feng and the three of them looked at the demonized Bodong who was hideous and fierce in appearance, swallowed a mouthful of saliva with difficulty, and nodded Mu Ran.

Eight-star necromancer, sign a nine-star intermediate dark demon swordsman, and hand it over to them to command--when they thought of Bodong's suggestion just now, their hearts were cold, they really didn't dare to really command Bodong.

But!

After singing with red faces and white faces, the ghost castle and the others behaved very cooperatively, and accepted Bodong's soul imprisonment one after another, temporarily becoming an ordinary person who could not use fighting spirit and magic, and getting busy in the castle, for them, what is more important than life?

Bodong sat near Xu Wen's cultivation room, and then the three of Ruan Feng and the ten Kufeng beasts also began to take up the task of guarding around the castle, but Ku'er and Bi'er couldn't accept it...... Their master could have taken over to become the second or third person in the Dark Main Hall, but now he has become Xu Wen's soul slave, and the spell imposed on them has been lifted.

Day by day...... The ghost castle was a rare peace, no one disturbed and no one escaped.

Xu Wen's cultivation was not calm, and with the comprehension of mystical magic, the tide rose all the way! In half a month, he broke through to the Nine Stars in one go, and then his speed finally slowed down.

The moment of the breakthrough, the Chaos Consciousness Sea suddenly expanded more than doubled, and the speed increased a lot! Every moment, I could clearly feel an abundant elemental magic flowing into my body from the air around me, and every pore was full of tension and vitality, and it felt extremely amazing! The grasp of the elements was also clearer, and it seemed to be closer and easier to control!

Several spells were cast, and the speed and attack power of the gathering were slightly increased.

After being invigorated for most of the day, Xu Wen immediately returned to the comprehension of mystical magic, and there were not many opportunities to cultivate with peace of mind.

But instead of overcoming the fire magic mysteries, he shifted his focus to the magic mysteries of the undead class...... Until now, he hadn't learned a single undead magic mystery.

"That's it. ”

Flipping through the undead occult books, Xu Wen picked a magic that he had been paying attention to for a long time, the nine-star Xuantian-level 'Demon Spirit Roar'.

According to the old housekeeper's confession, this nine-star mystical magic was obtained from a friend of the main hall of the dead, and it did not belong to the magic in the main hall, but self-developed magic.

In the nine-star level magic, it is ranked at the 'Xuantian' level, and its power is even stronger than that of the Black Eclipse Fire Flow Technique, and what is even more rare is that the time for this kind of magic to accumulate is faster than that of the perverted Black Eclipse Fire Flow Technique!

Xu Wen had now mastered enough eight-star mysteries, and naturally he was eager to master more powerful magic.

'Wraith Roar' is exactly what he wants.

Outcome!

The first necromancy took him half a month!

However, it was worth it, this magic directly helped Xu Wen to upgrade by one and a half ranks, making him overjoyed to advance to the third rank of the Nine Stars.

In this way, Xu Wen stayed in the ghost castle for a whole month and a half.

If it weren't for Pei Xueqin's words, the nine-star powerhouses participating in the competition on the main hall list must first register in the main hall before they are qualified, presumably he would have cultivated until the peak of the nine-star level, or read all the mystical classics.

However, with the improvement of his cultivation, Xu Wen became more and more mysterious about the main hall, and he also had a strong curiosity about the strength of the hall masters such as the Dark Emperor and the Revenant, so he naturally didn't want to miss this nine-star event.

After refining a batch of pills, he pushed open the door of the cultivation room that had been closed for more than a month.

Long, long, long, long!

The heavy sound of the reed resounded throughout the ghost castle, and the aftermath echoed.

At this moment, the masters who were clumsily busy choosing vegetables showed surprise, hurriedly threw away the things in their hands, and rushed to the cultivation room with apprehension, including the second daughter, who was also in retreat, Ruan Feng and others, who were in charge of monitoring around the castle, also gathered outside the cultivation room.

The first to discover was Bodung.

These days, I have been guarding outside the cultivation room, not eating or drinking, and closing my eyes.

The sound of the machine spring just sounded, the eyelids moved, and they opened!

A supreme aura escaped from the cultivation room that was isolated from all spiritual detection, and the elements that had originally gathered around Bodong seemed to be pulled by some force, and rushed to the slowly opening metal door, which made Bodong shocked.

Xu Wen's promotion to the Nine Stars was something he expected, but what he never expected was that Xu Wen's strength in attracting the Heaven and Earth Elements was even better than him! Unless his spiritual cultivation surpassed his own, this would never happen.

Don't...... Thinking of a possibility, Bodong's face couldn't help but turn pale.

When he was in a trance, an ethereal figure swept out of the open metal gate with his hands in his hand, and the black robe, as if it was not stained with vulgar smoke clouds, was like a dream, hovering in front of Bodong in an unusually chic manner, revealing an unusually young and handsome face with a faint smile.

Bodong lost his mind for a while, took a deep breath, and unconsciously lowered some arcs.

After the retreat, Xu Wen's face seemed to have something inexplicable, that kind of thing, called majesty...... "Elder Bo?"

"The subordinates are here!"

Bodung replied with a loud and sonorous voice.

"Ready, let's go to the Valley of the Styx. Xu Wen's voice was leisurely, and he glanced at the clouds outside, and the corners of his lips pulled a trace of an unusually confident smile.

"Yes!"

Bodong was already sure that Xu Wen's cultivation was stuck in the third order of the Nine Stars, and he should not have used much of the flesh and blood essence of the Blood Coral Insect, and his heart was also settled.

"Congratulations to the master, promoted to nine stars!"

"Congratulations to the master!"

Ruan Feng and Ku'er Bi'er greeted them from afar, followed by a group of people from the ghost castle outside, but they didn't dare to come in.

The three of them swept Xu Wen's cultivation and showed surprise on their faces.

Now that their master has officially been promoted to the Nine Stars, their status will naturally rise!

Xu Wen responded lightly, his spiritual power swept over the group of people outside the door, frowned and dropped a sentence "Lift their soul imprisonment", a cloud of black smoke bloomed in the castle, and then in a scream, it swept over the heads of a group of people.

Half an hour later, Xu Wen and his entourage left the Ghost Castle, during which no one in the Ghost Castle saw Xu Wen, let alone knew Xu Wen's current cultivation.

After spending a few days in the Valley of the Styx, the group turned non-stop to the Dark Empire Yanjing-Magic Mirror City.

(To be continued)