Shangguan Xiao laughed wildly internally. His previous loss against Shen Yanxiao was his most significant stumbling block, but he finally had the opportunity to return the favor. The potion that Pu Lisi had taught him the previous night was called the Concealed Poison Potion. It required 23 different types of medicinal ingredients with extreme toxic properties and three other components to stabilize it. Not only could the potion damage an herbalist's five senses, but it would also cause irreversible damage to the user if it were consumed Luo Fan's potion.
Those two potions could completely ruin any herbalist and end their path as an herbalist.
