Terai Chika hurried to catch up with Chen Feiyu, her tone carrying a rare hint of urgency as she asked, "Is refining the 'Water Rhyme Pill' really that difficult?"
"Ha." Chen Feiyu let out a light laugh. "It seems your understanding of me is still far from sufficient. When it comes to refining medicinal pills, I consider myself second, and no one dares claim first. How could refining the 'Water Rhyme Pill' possibly be difficult for me?"
In reality, the two hardest parts of refining the "Water Rhyme Pill" were the formula itself and the medicinal ingredients.
Chapter 542