Looking at the dark and empty underground square, Sun Bo's heart was unwavering, his eyes were straight, and his face was expressionless...... Well, in fact, he was in a daze.

Sun Bo didn't understand, what was Meng Zhang going to do, even Kong Xuan asserted that there was no value here, and left with Dong Qiudi, Meng Zhang wanted to stay.

You said you wanted to stay on your own, so why did you pull me up?

You don't know what to do in the main hall, but I have to help you guard the door outside the hall, if it weren't for Kong Xuan's death order, how could Sun Bo be able to stay still.

Look at the environment here, not to mention that there are no people and ghosts, and you can't find a companion if you want to speak, plus it's pitch black, what's the difference between it and a small black house locked up?

In fact, there are still differences, not only is it not small, but the space is also unusually large.

"Lao Meng, Lao Meng, when are you coming out?"

“...... It's time to come out ......"

“...... Come out ......"

“...... Come ......"

The sound of someone's broken thoughts echoed through the empty underground space.

At this moment, Meng Zhang, who was being talked about by Sun Bo, was in the main hall, and Sun Bo was just one door away. The passage when they came in was still open, and Sun Bo could enter the hall at any time if he wanted to, but in order not to disturb Meng Zhang, Sun Bo stayed outside and endured the darkness.

It can be seen that although Sun Bo has a jumpy personality, he can also distinguish the importance of the matter.

If Sun Bo entered the hall, he would see that on the high platform in the center of the main hall, the position that was originally used to imprison the resentful spirit of Kui Niu had been covered by a huge card.

On the card, there were thousands of half-meter-high tombstone-like spiritual absorption bases protruding, just against the skeleton of Kui Niu, and streams of trembling spiritual energy were pouring into the skeleton from the spiritual absorption base.

The Spirit Gathering Array Disk can absorb spiritual energy, and Meng Zhang only needs to reverse it to let it release spiritual energy.

Infused with a massive amount of spiritual energy, Kui Niu Bone is changing.

After Meng Zhang's nearly five hours of charging, the original gray color of Kui Niu's bones had become crystalline, and every bone in the entire skeleton was as clear as jade.

Through that layer of crystal, you can see a trickle of water shuttling back and forth in the bones, which is so dense that it turns into liquid.

Of course, it is not without a price to go from a pile of bones that have been placed in the ground for thousands of years to become like this, and its size has been reduced by more than ninety percent or nine.

Today's Kui Niu Bone is no longer as big as a mountain when Meng Zhang first saw it, and it is now half a person high.

After standing for too long and his sore body, a cloud of powder was stirred under Meng Zhang's feet, and it turned into smoke and dust half a foot high.

These are the impurities that are discharged from the Kui Niu bones under the spiritual energy, and as the volume of the Kui Niu bones continues to shrink, these impurities are shaken off and covered with high platforms.

"Babble. ”

The peach wood spirit danced with her hands, and she was protesting.

Those impurities excreted from the Kui Niu bones were useless to Meng Zhang, but they were indeed rare treasures in the eyes of the peach wood essence.

No matter how it is said, Kui Niu is also an existence that Meng Zhang has not been able to detect now, and even the impurities in its body can play a great role in tonifying the peach wood essence.

Seeing Meng Zhang's foot stepping on the powder that he regarded as a treasure, Tao Mu Jing of course had to protest.

Meng Zhang raised his hand and surrendered: "Okay, okay, I won't move." ”

Such a cute little cute thing, what can Meng Zhang say?

Of course, "Yes, yes, you're right." ”

Standing in place and not continuing to move his footsteps, Meng Zhang was waiting, waiting for the peach wood essence and them to clean up everything. Since the powder on the ground was so precious to them, they would definitely be much cleaner than Meng Zhang's hands.

Don't look at the small size of the peach wood essence, she wants a lot of powder. Look at the locust tree guard, who wasted such a huge body, just rolling on the high platform twice, and getting a layer of powder on all parts of his body is satisfied. Look at the peach wood essence, this little guy has piled up ten times as much powder as you.

The locust tree guard, who had rolled a circle of powder all over his body, walked to the corner of the high platform and stood there motionless.

The peach wood essence is no different from it, and it finds a place to sleep.

Meng Zhang didn't bother them, because through the telepathy between the three, Meng Zhang already knew their current state.

With the help of some substances in the Kui Ox Bone, the Peach Wood Essence and the Locust Tree Guard entered a state of metamorphosis.

That is, they are picking up products.

The loss is that the Locust Tree Guard and the Peach Wood Essence are both at the highest level they can upgrade, so they are waiting for the opportunity to break through the limit, otherwise they will only use the powder as an upgrade tonic like the Ghost Tiger, at most they will eat a few bites to increase the level, but it is impossible to improve the product.

Don't say leave the powder you haven't used up for later. If Meng Zhang had done it a long time ago, how could he let them be scattered on the ground, it was really a limited time for this powder to exist, and at most half a day's work would lose its effectiveness due to the dispersion of spiritual energy, and it would become no different from dust.

Ghost Tiger is also depressed, obviously it is a good opportunity to raise products, but he didn't reach the bottleneck, and it was wasted.

It will not be easy for anyone to encounter this kind of thing, the ghost tiger simply came out of sight and out of mind, and turned back into the ghost tiger battle pet card for Meng Zhang to take back.

The war pets under his command have already gained so much benefit just by getting the impurities discharged from the Kui Niu Bone, and Meng Zhang, the owner who has obtained the most essential part of the Kui Niu Bone, is naturally not to mention it.

The more the cow bones are refined, the more difficult it is to the end, after all, there are many impurities at the beginning, and the amount of discharge is of course large, and with the refining process, the impurities in it are less and less, and the difficulty of discharge increases geometrically. By the time Meng Zhang stood for a long time, the spiritual energy in the Spirit Gathering Array was about to be consumed, and the refining of the Kui Niu Bone could be completed.

At this time, Kui Niu's bone could not see its original appearance at all, and every bone of it was refined to the extreme into a boxy card as big as paper.

This card is crystal clear, it looks like a work of art carved from jade, not to mention other uses, this appearance alone can give a full score.

"Fortunately, although there are a few deviations, the refining is still successful. ”

Seeing this, Meng Zhang also breathed a sigh of relief.

His hard work was not in vain, this day was not wasted, and the spiritual energy in the Spirit Gathering Array was not wasted.

You must know that he just took a hand, and applied the information about the demon suppression policy that he obtained from it after he got it, and relied on the thousands of years of spiritual energy accumulation of the Kui Niu resentful spirit, so he dared to imitate the Xuanyuan Clan's method of dealing with the seventy-two road soldiers and demon gods of the Jiuli God of War, and refined the Kui Niu bones.

The method is the same set of methods, but the people who use it are different from the refined materials, and the things that are refined are naturally different.

What fell into Meng Zhang's hands were thirty-six jade bone cards.