Hearing the pointed question hidden in Myriad Herbs Medicine Emperor's words, Immortal Yao Shi, dressed in a brown Alchemist Robe, slowly opened his eyes and revealed a faint smile.
Immortal Yao Shi and Medicine Saint Nu Shan were brothers, so their appearances were naturally similar. The difference was that Immortal Yao Shi looked like a young man just over twenty. After all, compared with Medicine Saint Nu Shan, Immortal Yao Shi, a Grandmaster, had a much higher Cultivation Level and had broken through at an even younger age.
"Myriad Herbs Medicine Emperor, that is rather a joke. Nu Shan is indeed my younger brother, but he is not some seven- or eight-year-old child. How could he possibly tell me everything? If Bai Teng had not clashed with Nu Shan, I would not even have known that Nu Shan had such a relationship with that infamous Yan Tianzun of Soul Hall." Immortal Yao Shi slowly shook his head, indicating that he did not know Yan Tianzun's whereabouts either.
Two years ago, Myriad Herbs Medicine Emperor had also been involved in the incident that occurred on the Ning Tian Continent, because Myriad Herbs Medicine Emperor wanted to refine the Immortal Embryo Tianzun Pill, and the main ingredient for this kind of Medicinal Pill required a large amount of pure Plane Embryo energy.
This Medicinal Pill was a peak Spirit Grade Tianzun Pill, and its effect was that it could allow a cultivator at Late stage Spirit Grade Heaven Supreme to break through the barrier and reach Immortal Grade Heaven Supreme.
A single Medicinal Pill could save hundreds or even a thousand years of cultivation time. Such a Medicinal Pill could drive all Spirit Grade Heaven Supremes mad. Many Heaven Supremes who had no ability to break through to Immortal Grade would ruin