The efficiency of the Spirit Hall was much slower than Si Yun had imagined. Although Bibi Dong sent the body-strengthening technique to him as soon as possible, this set of techniques was too difficult to practice, and the process was extremely painful. However, according to Bibi Dong, this was the most powerful technique that could be successfully practiced in the Spirit Hall, and it was also the most complete technique developed by the Spirit Hall so far.

Although the Spirit Hall had other simple, quick-learning methods, Bibi Dong knew Si Yun very well. If she wanted to practice, she would practice the best. She would never care about whether the practice process was difficult or painful.

As for the special method of cultivating the five internal organs, the Spirit Hall sent a relatively ordinary set. In fact, there are too few methods of this type. However, Bibi Dong said in the letter that so far, the most profound secret method of cultivating the five internal organs known in the entire continent is the Thunder Dragon Secret Method of the Blue Lightning Tyrannosaurus Rex family. This secret technique is to cultivate both inside and outside, and can only be practiced by beast spirit masters with particularly strong physiques.

In the Blue Lightning Tyrannosaurus Rex family, only the strongest of the current generation is qualified to practice it, and not every generation can succeed, because practicing the Thunder Dragon Secret Art is too difficult and the process is very dangerous. Not many forces know about the Thunder Dragon Secret Art, and the Spirit Hall naturally knows it.

According to Bibi Dong, even if she destroyed the Blue Lightning Tyrannosaurus Rex family, she would find a way to get this set of skills for Si Yun.

Si Yun naturally trusted Bibi Dong very much. Then he looked at the two skills in his hand, one was the "Demon Dragon Body" for physical training, and the other was the "Five Elements Breathing Technique" for strengthening the internal organs.

Si Yun first revealed the cultivation method of the Demon Dragon Body. The cultivation conditions of the Demon Dragon Body are extremely harsh.

First of all, the physical strength must be at least at the level of Soul Saint or above to be qualified to practice this Demon Dragon Body.

The next factor is age. If you want to cultivate the Demon Dragon Body, it is best to do so before the age of thirty. Because after the age of thirty, the human body will slowly begin to decline. It is best to cultivate before the age of thirty.

These two conditions can almost be said to block 99.999% of soul masters. Only a very small number of soul masters who have reached the physical strength of Soul Sage or above before the age of 30 can practice this technique. Bibi Dong also practiced this technique when she was young. Although she did not practice to level 70 before the age of 30, her physical strength at that time was already far beyond that of ordinary Soul Sages.

Si Yun naturally meets the conditions for cultivation, and his physical strength is now comparable to that of a Soul Douluo.

After meeting the most basic conditions, you can start practicing this set of exercises. To practice this set of exercises, you must have the following two steps. The first is to eat a fresh dragon heart raw to generate dragon power in your body.

Fresh dragon hearts contain extremely terrifying energy. Just eating dragon hearts can greatly enhance the practitioner's physical fitness, but it will also cause a very terrifying impact. The older the dragon heart, the better, and of course the more terrifying the impact.

After eating the dragon heart, one needs to follow the instructions in "The Demonic Dragon Body" and circulate one's soul power while imitating the dragon's words and deeds. Because dragons are naturally strong, imitating the dragon's behavior is actually very physically demanding. After the soul power is completely consumed, one must bathe in dragon blood. Every time dragon blood enters the body, it is a very terrifying thing.

After checking the cultivation method of "Demon Dragon Body", Si Yun took a deep breath. These requirements were really too much to ask.

Fortunately, Bibi Dong explained in the letter that Tuoba Xi, the leader of the Holy Dragon Sect, had recently broken through to level 90. Bibi Dong asked him and Gui Ju, two Douluo, to help Tuoba Xi hunt for the ninth soul ring. They had already found a dragon soul beast for Tuoba Xi. In this way, it just happened that Tuoba Xi wanted that guy's soul ring, and Si Yun could also get the dragon heart and dragon blood he needed.

In two days, in two days, Tuoba Xi will come to meet them. Fortunately, the place they are going to this time is not the Star Dou Great Forest, but the Sunset Forest. The reason is that half a year ago, they found a 60,000-year-old dragon soul beast in the Sunset Forest. This 60,000-year-old soul beast is suspected to be the king of the Sunset Forest.

In addition to the Demon Dragon Body, another secret method for cultivating the five internal organs, "Five Elements Breathing Technique" is much simpler. It mainly requires changing your breathing method, and at the same time requires some five elements cultivation materials as an aid. Any materials will do, but the more advanced the better.

During these two days, Si Yun lived his life as usual, and every night he would fight with the two Titled Douluo, Gui Ju.

...

Hu Liena has been very depressed these past two days because Si Yun would sneak out for a while every night without telling her what he was going out for. Because of Si Yun's appearance, Hu Liena always felt that he was hooking up with other women. Si Yun was so charming that as long as he wanted, those women outside would throw themselves into his arms one after another.

Because she suspected that Si Yun might be cheating on her, she hesitated for a moment but still chose to follow him when Si Yun slipped out. Her tracking technique was very sophisticated. Even a Soul Douluo would probably find it difficult to detect that he was following her. However, Si Yun's anti-reconnaissance ability was even more powerful. Not long after she left, she was discovered by Si Yun.

Realizing that he made Hu Liena feel uneasy, Si Yun simply let her continue to follow him and let her see what he had done in the past. This would hopefully dispel her doubts.

Soon, Si Yun arrived at the place where he had agreed to meet Gui Ju. It was still the barren mountain, but now the mountain was covered with charred marks. This was the result of the battle between Si Yun and Gui Mei.

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