Ever since Su Zizhan came down with a chill that day, he had been soaking in the Tangquan Pool under the daily acupuncture treatment of Imperial Physician Zheng. However, this bout of chill was too severe, too tumultuous, and the acupuncture was hardly effective. Stubbornly, he refused to use the Old Mountain Ginseng that Yun Chi had sent over, enduring the condition through gritted teeth. This left Imperial Physician Zheng in a cold sweat, at a loss for what to do.
Fortunately, the night before, Lu Zhiling had someone send over a stalk of Nine Flames Precious Grass, and Su Zizhan no longer resisted, using it at last. Imperial Physician Zheng breathed a sigh of relief, as if he had pulled Su Zizhan back from the brink of death at the Gate of Hell, as well as having saved the remaining sixteen Tangquan hot pools, finally relieving himself of the hard work of the past two days.