On the trial square in front of the library in the Imperial College hall, Yi Tian broke the poison siege of the nine headed dragon by taking advantage of the characteristics of the quack immortal swallowing poison. At the same time, he also displayed the Buddha's handprint and cooperated with the Jinyang body method to open a close melee battle with the unicorn beast.

Under the attack of the front claws of the unicorn beast and where the fist and foot went, I could already realize that its strength was flying, and the strength of the counterattack was much weaker than before.

After avoiding the opponent's attack, Yi Tian uses his body method advantage to bully him to the side and hits the unicorn in a row. The rain like fist fell on him and pushed the unicorn directly three feet away. At this time, Yi Tian's attention was mostly focused on the nine headed dragon. He saw that the other three heads also began to move, and a red light flashed on his forehead.

The five dragon shaped heads opened their mouths at the same time, and the five spiritual lights gathered together to draw the spiritual power around them and rushed frantically towards him. When the power is enough, the light balls in the mouths of the five faucets eject at the same time, and then fly towards the position of Yi Tian in an instant.

With a good voice in his mouth, Yi Tian can clearly feel the power of the five elements contained in the five light spheres. It seems that the nine headed dragon is not free from vulgarity. It still uses the spiritual mode to practice the five dragon heads.

After the five light balls were combined into one in the air, they turned into Zhang Xu's tall light ball and rushed towards him. Yi Tian swept his side eyes and saw that the unicorn beast was not far away. Suddenly a blink came to him. Now, with the continuous loss of spiritual power in his body, it is far from comparable before.

Moreover, when one's own spiritual power is stable, he can gradually suppress the other party, and he can't get rid of even such urging body method.

With a bang, the huge light ball first hit the unicorn directly, and then spread to Yi Tian behind him. On the square, under the white light, a deep pit more than 30 feet and one foot deep was blown out in the middle. In the deep pit, a red Unicorn fell in the middle and kept panting.

After a residual shadow appeared on his head, Yi Tian raised his foot and stepped on his head‘ 'click' after the sound, the body of the unicorn animal shrank into a magic light and flew to the original position at the four corners of the platform. Soon, a unicorn statue appeared in the distance.

After cleaning up, Yi Tian turned and looked at the hourglass in the distance. He saw that 70% of the hourglass had gone there, and estimated that there was not much spiritual power left. Yi Tian offered the Taiyuan sword again and turned it into a green spirit sword prototype in front of his chest. He stretched out his hand and pointed to the nine headed dragon and said, "go."

After the spirit sword flew away, it was flying towards the red head of the nine headed dragon, and the sword light flew over and stabbed the faucet. In an instant, the dragon head in the middle drooped down. Yi Tian took back the Taiyuan sword and was ready to shoot again. But at this time, they suddenly found that the remaining eight heads of the nine headed dragon seemed to start civil strife. They didn't attack their consciousness at all, but seemed to be competing for the control of the body.

Seeing this, Yi Tian was overjoyed. He didn't expect that the nine headed dragon still had such a weakness. Would he just kill his leader to make him fall into chaos in the future.

Just thinking about it, suddenly the light of the corridor flashed at the hourglass in the distance, and then the remaining three spirit stones around were summoned to fly back to their original positions.

When the scene returned to calm, the hurricane around the library in front of them also stopped in silence. The front of the library slowly opened and a dark path appeared in front of them.

The mountain tiger saw it and said with great joy on his face, "let's go, Yi Daoyou. It seems that we have passed the customs."

They hurried into the lobby of the library. What they saw was a huge crystal stone monument. After passing by quickly, they directly found the name of "TIANYAO Bahuang formula" at the highest place.

After looking at the storage location, the mountain tiger said directly, "I've found what I want. I'll leave first."

"You can help yourself," said Yi Tianze. After that, he scanned the list on the crystal screen again. Not many people found a scroll named "hundred instruments manual in the spirit world" at the top of the jade book file of spirit tools, but the words "fragments" were marked on the back.

After secretly writing it down in his heart, Yi Tian turned his attention to the classics and history books, and immediately became interested in many retained files. After remembering the location of these historical jade slips, he turned and walked towards the depths of the library.

The magic power of the demon family that the mountain tiger wants should be collected on the top floor. Fortunately, what he wants is distributed on all floors. Yi Tian is also in no hurry. After opening his mind, he sweeps through the depths of the floor. First, he sweeps all the storage points on the first floor. But I didn't expect that many books here are not included completely. At least several travel classics originally recorded on the crystal screen have been taken away. There is not much left in the first floor of such a large library.

Yi Tianxin simply put the rest into his storage ring. After walking to the second floor, I found that the situation was not much better, but the books I wanted were still there. Although after tens of thousands of years, there are special prohibitions, the harvest is good.

After finding the remnant of the "spirit world hundred instruments manual" on the third floor, Yi Tian couldn't wait to open it and look it up. I didn't expect my face to change slightly after seeing the catalogue. This "hundred instruments Manual of the spirit world" is all written in "golden seal script". If I hadn't learned something, I would have been staring at the instrument spectrum.

The list of spirit tools in the second half of the list is roughly similar to that recorded in the Lihuo nine changes skill method of Lihuo palace.

Even Zixiao lanterns, the spiritual instrument of his own life, are recorded. Yi Tian quickly restrained his mind. Then he opened the page from the jade slip to "Zixiao lanterns". When his eyes fell, he saw that it said, "Zixiao lanterns were originally lanterns in Tai Chi palace lanterns, which can cultivate Luo Naiyan."

Seeing this, Yi Tian's mind suddenly opened. Unexpectedly, his sect door was really connected with Luo Tianxian palace. As for Luo Zhenyan's eight, nine and ten, it should be the situation after the cultivation of the nine changes of fire skill has reached the extreme.

After reading these, I turned my hand to query the information of "heaven and earth shine on the demon mirror", and soon found the description page in front. After opening it, I looked carefully and found that this "heaven and earth mirror" needs to be polished with three kinds of extreme precious materials. Among them, the empty ghost stone and the golden fireworks stone have been heard of, but the purple cloud crystal has not been seen. Moreover, it is clearly written in the instrument spectrum that purple cloud crystal is the main material for making demon mirrors, which has a natural restraint to the demon family.

Slowly put away the remnant of the "hundred instruments Manual of the spirit world" in his hand. Yi tianmian wandered in the center of the library again, but he was constantly combing through the precious materials he had seen. After a long time, he sighed and said to himself, "it seems that this is not as easy as he thought. If you want to refine the 'mirror of heaven and earth', you have to think about it in the long run."