Origin: The King of Chu ordered Feng Beard to go to Vietnam to find Ou Yezi and make a sword. So Ou Yezi traveled all over the famous mountains and rivers in the south of the Yangtze River, and finally came to the Xiqin Mountain in Longquan. He found that there were seven wells under the pine tree in 2000. Well water is a good cold spring, so he dug a pool to store water, which is the sword pool. Ou Yezi also collected the iron eagle at the foot of Cishan Mountain as a sword.
Experience: After two years, three swords were finally cast. The first is Long Yuan, the second is Taiya, and the third is the Ministry of Industry. These swords bend like belts. If you throw the handkerchief into the air and slowly fall from the front of the sword, it will be split in two. Chop copper and iron,