As for what preparation should be made for half an hour, I'm afraid that only his Highness the underworld, who laughs like a success, knows.

At this time, Nalan mansion is a time when the banquet is full of wine and excitement, and Nalan Zhengze is of course entertaining guests in the front hall.

However, Nalan Zhengze did not slacken his guard of the study.

Even, compared with the usual, the patrol guard around the study seems to have doubled.

However, the guard of Nalan mansion is a piece of cake for Hexi and Nangong Yu.

But a moment later, the guards fell to the ground, sleeping like dead pigs.

He Xi takes out the silver needle and pricks them on the head of these guards. He asks Nangong Yu to help them up and keep standing.

"After another incense burning time, they will wake up, but they don't remember what happened."

He Xi took back the silver needle and said with a smile, "so even if someone comes to the study in the middle of the way, he won't find anything unusual."

Such a short period of time to control people's memory and perception techniques, repair fairyland is not without, but absolutely can not be as easy as Hexi.

The girl in front of her seems to have reached the peak in the field of medicine. She has never seen anything that can really defeat her.

Nangong Yu lowered his eyebrows and eyes, covered his eyes' doting and burning desire, and raised a gentle smile at the corner of his mouth.

Such a stream, if it blooms one day, will become the existence that many people covet and yearn for?

However, no matter how those people covet it, it's useless, because he will guard Hexi firmly by his side.

After dealing with the guards, they quickly entered the study.

As soon as you enter the room, you almost don't need Hexi's direction. Nangong Yu's eyes fall on one corner of the study.

Seeing Nangong Yu walking in that direction, He Xi immediately grabbed his hand, "this array is very strange. As long as you get close to it a little, it seems that Nalan Zhengze will feel something, even if there is no spiritual power fluctuation."

Nangong Yu smile, backhand holding the river soft hand, pulling her forward a step.

Just as he was about to get close to the induction range of the array, Nangong Yu made a unique seal in his hand.

Then, a pure black power spread from his fingertips to every corner of the room.

With the diffusion of pure black spirit power, the feeling of "if not" as if monitoring their every move disappeared instantly.

It's also a strange and powerful array in front of them, but he river just has a feeling. No matter what they do next, Nalan Zhengze will not feel it again.

She looked at the black psychic power that had dissipated in the air. She couldn't help opening her mouth and exclaimed, "is the dark psychic power?"

Nangong Yu scraped the tip of her nose and said with a show off smile, "now I find your man's strength?"

He Xi's mouth opened for a long time, even didn't respond to come over, want to refute the south palace Yu's molestation.

Because darkness is the power of spirit It's really amazing!

Hexi remembers that there are many powerful forces in the nature, such as wind, rain, thunder, lightning and frost, in the records of everything written by old man Xumi. But in the final analysis, these forces are derived from the origin of the five elements: gold, wood, water, fire and earth.

Therefore, the most powerful force between heaven and earth is the five elements. The more pure the foundation of the five elements, the more powerful it is.

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