After he broke through to rank twenty, one of the items needed to lift a layer of his seal had to be capable of cleansing his meridians and marrow. Ice-attribute was best, with water-attribute as the next best option.
Unable to find an ice-attribute medicine that met the requirements, the Ling family had no choice but to settle for the next best thing: the Mysterious Water Pill.
This pill had mild medicinal properties. Not only was it highly beneficial to the body, but it could also raise the Soul Power of Soul Masters below rank twenty by one level. It was naturally the perfect choice for Ling Tianchen's breakthrough.
Thus, Ling Bai planned to go to Dark Nether City to purchase a Mysterious Water Pill. Ling Tianchen could have simply waited at home for the pill to arrive, but he suddenly remembered that Jiang Nannan's mother might be in Dark Nether City. So, he went with his father, thinking that they might be able to find Madam Jiang.
As long as they found her, what need would there be for a Black Tortoise Divine Pill to treat Madam Jiang's heart condition with his healing abilities? He could fix it with a casual touch.
Things went very smoothly. As the city lord of Skywater City, Ling Bai carried some weight and quickly bought a Mysterious Water Pill for him. Meanwhile, Ling Tianchen used his tangible yet formless spiritual detection to find Madam Jiang.
His luck was exceptionally good. Jiang Nannan happened to be home, and with her signature golden curls and rabbit ears, there was no way he could mistake her for anyone else.
Just like that, Ling Tianchen helped Madam Jiang recover with ease in exchange for the mother and daughter leaving Dark Nether City, which lay within the Dark