What are the characteristics of the twelve caves?

In Bad People, there are four members among the twelve cave owners, namely, Li, Shen Xian and the uncle of the eleven cave owners. These four people are very powerful in performance. Li appeared in the previous story. He was one of the few governors who were willing to consider his people. For the people of Qi, they went to the twelfth cave to learn the way of life, and endured the pain alone for ten years. Their ability was quite terrible. Li, if it weren't for the fact that the female emperor is basically a fairy.

The plot description of the bad guys

At the end of the Tang Dynasty, Zhu Wen brutally killed Tang Zhaozong and Ye Li, wiped out the imperial city, usurped power, destroyed the Tang Dynasty and proclaimed himself emperor. With the disappearance of the Li family in the Tang Dynasty, there were also mysterious organizations of the government and treasures of the national treasury. It is widely rumored in the Jianghu that Longquan sword hides the secret of treasure, and whoever wins the sword wins the world. But only Lee Long Mai can understand the secret of the treasure in Longquan sword. Li Xingyun, the lucky tenth prince, escaped this disaster. He and his childhood sister Lu Linxuan have been living in seclusion with his master's uncle, but they can't reverse their fate.