Liang Hu used the faint light to illuminate the ground in front of him, and carefully walked in a dark cave, and after two successive attempts to get through the cave inhabited by countless bats, Liang Hu volunteered to explore the way by himself. At the beginning, the traveler inadvertently fell into the waterhole in the depths of the cave, but unfortunately it was stormy at the time, and this person panicked and had no way to confirm the specific location, and there was definitely no way to follow the map from the outside, if Liang Hu could find a way to the waterhole, maybe he could find the location to the outside along the route of the traveler's escape.

In order not to alarm the bats that inhabit the rock crevices overhead, Liang Hu wrapped the flashlight in gauze before setting off, so that it could barely show some glimmer of light and be able to see the ground in front of him. These bats don't know how many years they have lived in this place, and the amount of feces excreted over time is a staggering amount, just wandering at the entrance of the cave is not very obvious, and when Liang Hu went deep into the center of the huge cave, he found that every foot of his foot would sink into the sticky feces, and it didn't matter if he used lights to illuminate it, because he couldn't see what was under the thick layer.

The deeper he went into the cave, the more obvious the fishy smell in the air, Liang Hu used the fetal breath technique to stop breathing, but he didn't have to suffer from this, that is, he had to pull out his feet hard every step he took, and he was an abnormal wolf bèi all the way. After Liang Hu walked out of nearly a kilometer, the sound of concussion kept echoing in his ears, which should have been made by the upside-down bat unintentionally flapping its wings, although the sound was not loud, but in the empty cave, it was echoing and endless, which made people really can't help but be upset.

"Whew!" several bats flew out of the crevices in the rocks where they roost and scurried back and forth above Liang Hu's head, as if they were sensing the presence of the intruder with their ultrasound waves, but they were not yet able to locate them accurately. After flying back and forth a few times, these bats locked onto Liang Hu's body, and they didn't know what signal they released, so they summoned more companions and formed a huge web of shadows to cover Liang Hu's head.

Although Liang Hu was attacked, he did not want to entangle with these bats more, so he covered his head and face with his arms and continued to walk forward. Thousands of bats frantically slammed into Liang Hu's face and body, and they tore at Liang Hu's clothes with their sharp teeth, trying to kill the intruder, but they could not damage Liang Hu's skin at all.

More bats flew down from the rock crevices and joined the team attacking Liang Hu, giving Liang Hu a feeling of being in a storm, although the individual of those bats was very small, but when tens of thousands of such bats were densely stacked together, they formed an impermeable wall around Liang Hu, no matter how hard Liang Hu exerted his strength, he could only knock down the bats that were blocking him, but he couldn't force them out from among them.

After a stalemate like this for several minutes, there was a faint feeling of pain coming from various parts of Liang Hu's body, and the force of a single bat's impact and bite was of course insignificant, but it could not withstand the superposition of tens of thousands of times per minute. Seeing that the shape was developing in a direction that was unfavorable to him, Liang Hu immediately abandoned his original intention of breaking through peacefully, he took out a talisman from his arms and slapped it on himself, preparing to use this "Peak Talisman" to resist the attack of the bats, and then activated the frost blade to forcibly kill a bloody path.

Who would have thought that under the constant impact of tens of thousands of bats, Liang Hu actually touched the wrong talisman, when a strong man's phantom appeared behind him, Liang Hu found that he took out and activated, greatly increasing the strength of the "wrestler talisman". Without waiting for Liang Hu to feel sorry for himself, he suddenly found that the attack strength of the bats around him had been significantly weakened, and at this moment of fire and light, Liang Hu suddenly remembered something, and he roared angrily to release his spiritual sense, and used this method to impact the bats on his side.

When Liang Hu knocked out the agile ability Ao Guangsen with one punch, he used this method, and the external spiritual sense could not be seen or touched, but it could be concentrated to launch an invisible impact on the enemy's mind, and Ao Guangsen's D-level inferior strength also suffered a big loss under this move, not to mention the small bats in front of them, they immediately collapsed after coming into contact with the coercion formed by Liang Hu's external spiritual sense, and fled outside regardless of it, but collided with the same kind of people who were charging from the outside fell to the ground one after another.

Liang Hu kept releasing his spiritual sense by mistake, driving the bats around him to escape, and it didn't take long to lift the thick bat walls around him, and finally killed a bloody way. A "Lux Talisman" lasts about 15 minutes, and when the phantom of the strong man behind Liang Hu finally fades away, he has successfully found a way out and broke through the cave inhabited by bats.

Liang Hu walked about a hundred meters along the damp passage and came to another karst cave, he stood on the platform at the entrance of the cave, and used a flashlight to shine back and forth on the calm water below, and found that this karst cave had basically been flooded by water, and if the water level was raised a few meters, he would not even have the position he occupied. After a brief investigation, Liang Hu found that there was no way out in front of him, unless he went into the water to explore, of course he would not retreat if he had already walked here, so he simply cleaned up and sank under the cold water step by step.

Liang Hu is not worried about breathing problems, the flashlight in his hand is military-grade, and he only needs to shake it vigorously to charge it, even when it is underwater. Throwing away the gauze wrapped in front, the light of the flashlight could reach about two or three meters in front of him in the dark water, which was enough for Liang Hu to observe the surrounding environment, and he slowly explored the underwater cave with his hands and feet, hoping to find an exit.

Several unknown fish swam around Liang Hu, they did not attack Liang Hu, Liang Hu naturally did not pay attention to them, and when Liang Hu dived to a depth of about twenty meters, he saw a deep hole, so he tried to swim towards it. When Liang Hu was at the entrance of the cave and shone it with a flashlight, a black shadow shot out from the hole like an arrow, opened his blood basin and bit Liang Hu, Liang Hu was unable to move in the water, although he had withdrawn in time to dodge, but was still bitten on the arm by the object.

Liang Hu only felt a burst of pain from the bite area, as if something sharp was about to drill into his skin, he grabbed the black shadow and tore it off with force. At the moment of catching the unknown creature, Liang Hu had a strange feeling in his heart, and when he subdued the black shadow and began to illuminate it with a flashlight to identify, he finally understood where this feeling came from, this creature living underwater was obviously the appearance of a fish, but a pair of bird wings grew on the fins of the fish, and Liang Hu had previously grabbed the feathers of the wings.

"Yingyu?" Liang Hu was stunned for more than ten seconds, and then he suddenly came back to his senses, he actually caught a creature that only existed in ancient legends here. Liang Hu carefully looked at the winged Yingyu in his hand, and found that its body shape characteristics were the same as those described in the book, but the difference was that the Yingyu in his hand had two rows of thin sharp teeth in its mouth, and he was bitten by this place just now, fortunately, the strength of Yingyu was not strong enough, Liang Hu was not injured, but he inevitably suffered a little flesh and skin.

Confirming the identity of the half-fish and half-bird monster in his hand, Liang Hu couldn't help but be overjoyed, in the alchemy chapter of the Xiuzhen classics he obtained, there were several Dan prescriptions related to Yingyu, but these things have long been extinct, and the alchemy monks of later generations had to find alternative materials, so that the Dan prescriptions handed down from ancient times were changed beyond recognition. The monk who wrote the alchemy chapter seems to be quite knowledgeable, and he even recorded all the pills used in ancient times and the pills used in his time, and explained in detail how the current alchemy monks have improved this pill recipe at the end of the text.

If there are monks who are interested in the development of alchemy, they can rely on this comparative text, it is very easy to understand the basis and ideas of those alchemy masters to modify the Dan formula, and then according to these ancient Dan prescriptions, according to local conditions to modify and deploy again, Liang Hu did this in his previous life, he used the huge octopus salvaged from the deep sea as the main material, supplemented by a variety of revised auxiliary materials, and finally refined the elixir that keeps his youth, so that his childhood friend Meng Lang can still be in good spirits at the age of 100, more energetic than young people。

Although these modified Dan Fang can also achieve the original purpose, it is undeniable that the effectiveness is definitely worse than the first Dan Fang in ancient times, in addition to the factor that the alchemy monks of later generations are not as good as their predecessors, there is also a very important reason, that is, the substitutes are getting worse and worse, after all, the current social aura is lacking, and there is no way to compare with the ancient Xiuzhen era in terms of production, and many of the raw materials selected in the ancient era may also contain many unknown effects, not simply replacing can make up for this loss。

Liang Hu forcibly suppressed the joy in his heart, and put this Yingyu into the silk belt, because the storage space could not store living animals, although the Yingyu would be well preserved after being put in, it also lost its life. Liang Hu will not find a way to leave the Yingyu and take it out to breed because it is rare, how can the ancient spirit creatures be so easy to feed? Moreover, the current environment is completely different from the era in which Yingyu survived, maybe leaving this cave or even surfacing the water, Yingyu will undergo unknown changes, it is better to be selfish to ensure the interests of his own medicine alchemy.