Ren Cai stood there like a wooden statue, staring at Zhang Yan. He had encountered countless notable figures in the past, yet none had ever shown such absolute confidence in discerning which pill was a True Elixir and which a Poison Pill—let alone being able to thoroughly analyze their medicinal properties.
In truth, the toxicity in those two elixir pills belonged to Yin and Yang categories. When consumed, they needed to be ground down and then neutralized by the medicinal properties of the final elixir pill before they could be safely ingested.
The missing portion of the ancient recipe back then detailed precisely how to unify the three attributes within the pill furnace.
