C90 Dark Net Assassin

As long as a cultivator released a small amount of Genuine Qi, he would be able to throw the poison into the wine cup with a flick of his finger.

Apart from that, Ye Xuan did not smell any arsenic on Hou Kun's body, which also proved that he was not the murderer.

Although arsenic was colorless and odorless, it was still relative.

To cultivators, any poison could be easily detected