Chương 1199: The Fall of the Dark (I)

"According to you, Cheng Clan used poisonous medicinal materials to make various medicinal pills and medicaments; additionally, Cheng Clan sold their poisonous medicinal pills and medicaments to the other provinces. Didn't anyone discover such evident actions?" Zhang Tie asked while frowning.

"The poisonous medicinal materials of Cheng Clan's medicinal materials was very special. It could never be matched by any poison that we've seen. Commoners could not discover the toxin in the medicinal pills at all..." Sun Jiagu revealed a bitter smile.

"Did Cheng Clan add something poisonous into their medicinal materials?"

"No, Cheng Clan didn't add anything into their medicinal materials. Cheng Clan produced all the medicinal pills in accordance with the strict manufacturing process and technologies. They couldn't add anything inside their medicinal materials!"

Zhang Tie became confused as he asked, "So why were Cheng Clan's medicinal materials poisonous?"