What is the name of the film and television drama about fortune telling and geomantic omen?

What is the name of the film and television drama about fortune telling and geomantic omen?

Dragon Slayers Lai Buyi, Tan Yaowen, He Baosheng and Li Meifeng.

Lai Buyi (Tan Yaowen) is proficient in numerology and arithmetic, helping people to eliminate disasters and solve problems, but his life is dominated by fate. Once Buyi happened to meet an old man who came back to realize his dream. He was given lifelong stunts and his martial arts became stronger. The old man gave him a dragon-hunting sword and told Buyi to use what he had learned to benefit the public. When Song Gaozong Kang Wang (Li Longji) was hunted down by nomads, Buyi secretly helped Kang Wang, let Kang Wang mud horse cross the river, and laid a golden valley to protect the dragon array, which defeated the nomads in one fell swoop. Mianyi helped Kang Wang convert to Buddhism, which made his friend Tianhua (He Baosheng) jealous. Tianhua does not hesitate to collude with Qin Gui and compete with Buyi. In the end, he will fight to the death. Buyi people can't be self-determined all their lives. Although there are three confidantes around him, he will be lonely all his life, and his heart is very painful ...