"Enter from here, and within a hundred miles, it is completely safe." Song Nianchu pointed to the path ahead.
"And beyond a hundred miles?" a disciple instinctively asked.
"There is poison, a colorless and odorless poison. Alchemists whose poison arts aren't very advanced can hardly sense it at all." Song Nianchu swept her gaze across the alchemists present. "This is why I make you practice your poison arts diligently. Not only must you practice, but you must also use them frequently and constantly refine your skills."
Chapter 501