Everyone proceeded to carry out their assigned tasks--Liu Dong and his group went off to hunt the Bright Wool Sheep while Ling Han took out a variety of medicinal ingredients, preparing to concoct a particular drug.
It was only an Alchemy Emperor like Ling Han who could handle medicinal ingredients well enough to be able to concoct a drug targeted specifically against a particular creature. The drug he was concocting now could be considered harmless to any other living creature, but for the Red Scaled Dragon Snake alone... it was deadly.
In many situations, alchemists were also poison masters. For example, the Little Poison Lord, Yu Zheng. However, his ability was far, far beneath Ling Han's.
