At night, "Shenju Alley" looked like a piece of rag soaked in sewage, casually discarded on the edge of Canglan City, the royal capital. The air is a mixture of cheap herbs, low-quality fuel and the lingering damp musty smell. Deep in the alley, a solitary spar lamp emitted a weak but steady light, coating the simple wooden sign of "Qingyang Clinic" with a hazy glow.