What the mechanism in the study was built for, and the time when Hei Yan was removed from the list back then can prove all this.

"Has this study ever been renovated?" Su Jiu'er asked.

"No, but for a while, my father often stayed here, and he didn't leave the study for about half a month." Ouyang Keyu said.

"I also know about this, didn't you put on Heiyan at that time?" Ouyang Jin guessed.

"How long will it be before you do it?" Su Jiu'er looked at Ouyang Jin and asked.

Ouyang Jin looked at Ouyang Keyu, his eyes were a little flustered, and seeing that Ouyang Keyu was expressionless, he looked at Su Jiu'er and said, "When we started, it was five years from this time. ”

Su Jiu'er fell into thought, "It seems that I am right. ”

"What do you think of?" Ouyang Jin asked.

"They know Hei Yan's curse, and they know it better than anyone else, so just in case, they installed a mechanism in the study in advance, so that people can't take the things in the study, or enter the study, and ......" Su Jiu'er said this, glanced at Ouyang Keyu worriedly, and continued: "Mother is the last descendant of Hei Yan, and her death will end Hei Yan in the legend, and they have long been ready to die." ”

"No wonder they behaved abnormally back then, it turned out to be ......," Ouyang Jin said in surprise.

Su Jiu'er nodded, "Heiyan can't enter the rivers and lakes, this is their wish, so are you willing to help me and Ke Yu destroy it?" ”

Su Jiu'er looked at the three Ouyang brothers with burning eyes.

"Yes!" The three of them spoke in unison, and then looked at each other in surprise, and the feelings were changing in their pupils.

Ouyang Keyu looked at Su Jiu'er in a daze, she can always infect others, and can make the most primitive feelings in people's hearts return to the hot blood again.

"What about you?" Su Jiu'er looked at Ouyang Keyu and asked softly.

"I'll finish what they didn't finish." Ouyang Keyu stared at the black swallow in his hand firmly and said.

How to destroy Hei Yan, Su Jiu'er naturally has a way, and the mental method in her body seems to have a high interest in destroying Hei Yan.

Ouyang Keyu got up and walked to the study, and the others all stood up and followed.

Ouyang Keyu stood at the door, although the moonlight was not as bright as the light, it could make people see the appearance in the room clearly.

"I destroyed the bookshelf to save you." Zhang Jin said apologetically.

"It's okay, how can these dead things be compared to human life." Ouyang Keyu said lightly.

Ouyang Tang's brothers looked dull, and there was a new change in their hearts, especially after Ouyang Keyu finished saying this.

Guigu Xuan, Yue Lu stayed at home angrily, and at the door was someone sent by Tang Yi, he, Su Qingru, and Su Yue were now managing Guigu Xuan until Su Jiu'er and them returned safely.

They also let out the words that if Su Jiu'er died, they would kill Yue Lu at all costs.

Yue Lu would not be stupid enough to make a mistake at this time, but he was afraid, he was afraid that someone would kill Su Jiu'er, but he would have to pay the price, so he begged Su Jiu'er to return safely every day, and he held back his anger every day and kept calm for the attitude of Ouyang Tang's brothers who left without saying a word.

Su Jiu'er and the others had left Guiguxuan for two days, and in Ouyang's Mansion, they hadn't found the entrance to the Qilin Cave, and the only clue was the study.

The next day, the sun rose in Su Jiu'er's eager waiting, and they didn't have much time to waste.

Su Jiu'er stood at the door, thinking carefully about how to enter the study, she couldn't help but walk to the window next to her, looking at the closed window fixedly and thinking.

"Tear down this window." Ouyang Tang said, his thoughts were the same as Su Jiu'er's, since there was a terrifying Heiyan at the door, then find another way, but he didn't consider whether this window was also dangerous, such a loophole could not be left, but there must be a way to enter the study.

"It can't be demolished, this loophole is likely to be killed by luck, can we think of it, can't my father think of it?" Su Jiu'er frowned.

"Ouyang boy, don't you have a choice? Think about it. Su Sanye put his hope on Ouyang Keyu.

It is estimated that only he can find something that others can't see, but his memory is not so clear, when he was a child, he was also ordered by his father not to approach, at that time, even if he saw something unusual, he may not have doubts, at most, he feels novel, without doubts and curiosity, and will not leave deep traces in the memory of these years.

This question really stumped Ouyang Keyu, he stared at the two steps in front of him, and fell into the memories of his childhood.

"When I was a child, my father didn't let me go near the study, so I could only watch secretly." Ouyang Keyu shook his head, he really couldn't think of anything out of the ordinary.

He walked to the stairs and turned to face the main entrance of the study, and in the middle of the position, he was stunned for a moment, and then stepped back one step, until he stood at the bottom of the steps, he stood up, staring at the study with a solemn expression.

Seeing this, Su Jiu'er immediately ran to Ouyang Keyu's side, followed his gaze, and didn't see any difference.

"Did you find anything?" Su Jiu'er asked.

Ouyang Keyu Ke Yu glanced at Su Jiu'er and did not answer, but looked down at the steps, raised his right foot and stepped on the steps, but the position he stepped on was not natural.

Su Jiu'er said in her heart: "Could it be that the way to turn off the mechanism is on this step?" ”

Several pairs of eyes were staring at Ouyang Keyu, moving their gaze with his feet.

"It's ...... Gossip directions? Su Jiu'er was surprised in her heart, every time Ouyang Keyu stepped on the place, it was a gossip direction.

At the last step, Ouyang Keyu stopped, and at this time he was already standing at the door of the study.

"Left one, out of sleep!" Su Jiu'er suddenly spoke.

Ouyang Keyu did not hesitate, the moment his feet were put down, the sound of the mechanism turning in the study was clearly heard, and even a few people trembled a little under their feet, and they could see the fluctuations of the dust after being disturbed.

After the surroundings were quiet, Su Jiu'er hurriedly stepped forward, she already knew where the entrance to the Qilin Cave was.

"Ji Li, go back and inform Su Yue and a few people, let them be optimistic about Guiguxuan, and you should know what to do for the rest." Su Jiu'er looked at Ji Li and said.

Ji Li nodded, then jumped up and jumped on the roof, disappearing from everyone's eyes.

"Let's go inside." Ouyang Keyu said.

Suddenly, an accident happened, a powerful murderous aura swept in, and the person hiding in the shadows finally appeared.

Su Jiu'er turned to look at the group of people who suddenly popped out, with silver masks and familiar faces, and she asked, "Feng Chen, what's wrong?" Do you want to get involved? ”

Ouyang Tang immediately stood at the door of the study, protecting the study in case the person opposite suddenly killed him.

"Miss Su, the Qilin Cave in this Ouyang Mansion is the existence of a rich country, not to mention this wealth, just the statement that it can make people dominate the world is enough to make me risky." Feng Chen said with a smile.

"You're dangerous." Ouyang Keyu's eyes were like a sword, and the Yan Shu in his hand had already been put to his lips.

Su Jiu'er also took off Mo Li from her back.

"Ghost Gate Mo Li and Ghost Valley Yanshu will give you a sonic storm, I hope you can stand it." Su Jiu'er held Mo Li with her left hand, plucked out the first note with her right hand, and the flute sound also played at this moment.

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