"You take it into the mine unimpeded, after finding the second brother, hand it over to him, let him return it to me, remember not to give it to the eldest brother, otherwise I don't know what kind of disaster he will cause again." The little girl instructed Bai Yudao, "By the way, my name is Mei Yaoli, tell the second brother to send the sign back quickly, you go quickly." ”

Bai Yu left Mei's house and set off for the mine. In fact, Mei's house was not far from the mine, and Bai Yu took out the mechanical pony he usually made and rode it for an hour. Bai Yu put the pony away.

Bai Yu came to the mountain gate, the mountain gate was unguarded, but there was a formation to block it, and Bai Yu couldn't step in. Bai Yu took out the brand that Mei Yaoli had given, and the formation disappeared automatically. Bai Yu casually chose a path and walked up the mountain. Halfway up the mountain, Bai Yu saw a mining cave, and the door said "Quarry Cave". As soon as Bai Yu entered, he found that someone was guarding the door of the cave, and the guards saw Bai Yu's sign, saluted respectfully, and did not stop him. Bai Yu also returned the salute with a fist in return.

"Have you ever seen Mei Da's ability?"

"The eldest son and the second son came to inspect the mine on the order of the head of the family, and they have been in for almost two days."

"Okay, thanks." After Bai Yu finished speaking, he walked towards the depths of the mine.

The cave was dug very deep, and the stone walls of the passage were covered with thick moss, and there were scattered ore shining in the exposed areas. The more Bai Yu walked inside, the colder his soul felt. At this time, Bai Yu pinned the hammer on his waist and was about to move, and Bai Yu felt that the hammer was excited. Bai Yu walked for half an hour and finally saw someone pulling ore out, Bai Yu asked them about the location of the senior brother, and they all said that they were inside. Bai Yu continued to walk forward, the hammer on his waist shook non-stop, and Bai Yu had to hold it in his hand. At the end of the mine, all kinds of ores were piled up, and on the side of each pile of ores were two swordsmen from the Dao Realm. Bai Yu asked where the swordsman leader was the senior brother? The Great Swordsman Commander checked the token in Bai Yu's hand and pointed to the Water Flow Gold Mine Cave. Bai Yu hugged his fists and thanked him, there was also a formation at the entrance of the Water Flow Gold Mine Cave, and Bai Yu held the token unimpeded.

Because water gold is a liquid metal like mercury, there will be water gold movement on the surface of the ore. Flowing gold is an essential metal for forging functional instruments, and the joints of any machine must be made of flowing gold in order to rotate flexibly.

Bai Yu searched for a long time and didn't see the two senior brothers, Bai Yu continued to walk forward, and suddenly saw a miner lying on the ground, and there was another one lying next to the miner. In a corner of the earth, Bai Yu found the two senior brothers lying on their backs, like these miners, their lips black, their faces blue, and their breathing weak. Bai Yu felt that his soul was trembling, and his soul could actually feel cold, which was completely unbelievable. Fortunately, Bai Yu's divine sense is strong enough and has not been affected for the time being. The black hammer in Bai Yu's hand trembled, and the coldness in Bai Yu's soul disappeared instantly. Bai Yu helped the two senior brothers up and leaned against the mine wall. And next to the elder brother, there was actually a hole the size of a fingernail that was bubbling black gas.

Bai Yu felt that the hammer wanted to get close to the small hole, so Bai Yu used his divine sense to control the hammer to plug the small hole. Bai Yu found that the hammer was absorbing these black gases, the black light of the hammer body was glowing, and after a few breaths, the black gas was absorbed by the hammer, and then the hammer rotated over the cave, and the black qi on the senior brother and their bodies were all absorbed by the hammer. After absorbing the black qi, the hammer returned to Bai Yu's hands. Bai Yu felt that the hammer body was slightly hot, and found that a very small part of the veins on the hammer body had been repaired. Bai Yu was very excited, if the hammer absorbed a little more black gas, would it be able to recover?