Yuan Zhutou looked at this deep secret passage and was greatly surprised: "Lord Pi, why are you so familiar with Yijia Village, and you even know the secret passages in the village well?" ”

Pi Yang glanced at him coldly: "The people of the Imperial City Division can distinguish between the secret and the secret door, is this strange?" ”

Yuan Zhutou hurriedly shook his head: "It's not strange, it's not strange, the adults are extremely skilled, and the little ones are just a little curious, a little curious...."

"Don't say anything nice, I just look at your performance," as he spoke, Pi Yang cut the rope on Yuan Zhutou's hand, a sneer rose at the corner of his mouth, and glanced at him: "Whether you and your family can live or not depends on your thoughts." ”

Yuan Zhutou turned his sore wrist and said again and again: "Yes, yes, thank you for giving the villain a chance, the villain must obey," he said and suddenly lowered his voice, "It's just... I just don't know what Lord Pi needs the villain to do? ”

Pi Yang raised the oil lamp to protect the flames, took the lead and walked down the steps, and instructed Yuan Zhutou: "Keep up, you will know when you get to the place." With that, he walked straight down. Yuan Zhutou looked at his back, and suddenly had the idea of escaping, and said that it was a big deal to flee to Qiyun Village overnight with his family, but when he thought of that thing in the village, his back was cold, and he was so frightened that he hurriedly followed.

After going down for a while, the road surface began to flatten, the dark passage was damp, the water beads seeping out of the stone wall rolled down, the paved road surface made of stone slabs was wet, and there was a lot of moss, and people walked on it extremely slippery. The two slowed down their feet and walked around the bush for nearly a moment before exiting the tunnel.

Out of the dark passage, the eyes suddenly opened up, and there was a flat stone surface under his feet, which was the exposed part of the mountain rock, the size of a basketball court; There is a section in the west, about 100 meters high, under the section is a mountain stream, the water flows from north to south, and flows into the Yangtze River about a kilometer ahead; The rock is embedded in the mountain and extends to the Yangtze River, becoming part of the cliff; The stone face extends to the east of the mountain, and the upper layer of the mountain rock naturally forms a flat rock cave, the entrance of the cave is two zhang high, six zhang long, there is a drainage ditch below, it is the former villagers to prevent rainwater from flowing into the hole.

The cave is not deep, only more than ten meters, it is very dry inside, with several stone stoves, on which are several large iron pots, which have long been rusted, and there are still some white powder left in the pots. The cave narrows inward, and at the end of the rock wall are three rows of wooden shelves, and in the dustpans displayed in the mezzanine are large quantities of charcoal powder, saltpeter crystals, and sulfur.

When I first found this place, the charcoal and saltpeter crystals absorbed the mist in the mountains, and there was some dampness, Pi Yang moved out of the cave and dried it for two days, during which he went to the black market outside the city to buy a few bags of sulfur, and with reference to the ratio, he made his own black fire ~ medicine.

But fire ~ medicine is easy to obtain, the price of paper is high, the paper industry in the Great Song Dynasty is developed, and paper has also been popularized among the people, but it takes a lot of paper to make a fireball, and Pi Yang is bankrupt and difficult to afford, he looked at Yuan Zhutou, who was groping around, and a flash of inspiration flashed in his mind, and said with a smile: "Do you understand?" ”

Yuan Zhutou hurriedly slapped off the saltpeter powder in his hand, nodded and said: "My lord can even get saltpeter, you really have magical powers, I don't know what your adult is used for with so many black fire~ medicine?" ”

"Go earn Li Lian'er's silver." Pi Yang smiled, with a playful look on his face. Yuan Zhutou was sweating profusely when he heard this, and fell to his knees again, and said in a panic: "My lord, then Li Lian'er really wants to buy firearms from the villain, but she asked for 20,000 rockets and 200 fireballs when she opened her mouth, and there is no emergency war at the moment, and the entire Guixiang Prefecture is not equipped with so much, so the villain refused." ”

After he finished speaking, he hurriedly knelt down to Pi Yang, kowtowed again and again, and said, "My lord, you have to believe me, you must believe me!" ”