The side hall of the Jiedushi Mansion was filled with sandalwood, but it could not cover up the smell of alcohol on Yang Wo's body. This military commander in his early twenties was leaning on the bed, with the front of his brocade robe open, revealing the dragon-shaped tattoo coiled on his chest - it is said that he followed the practice of the vassal towns in the late Tang Dynasty and used tattoos to demonstrate military power.