The medicines in the Imperial Palace are of the highest quality, fundamentally different from the cheap ones outside. Moreover, the medical skills are also top-notch; otherwise, one wouldn't even qualify to become an Imperial Physician in the Imperial Medical Bureau.
With an injury like Celestial Master Zhang's, just applying the premium ointment from the Imperial Palace can relieve pain immediately. Such painkillers are virtually nonexistent among the common folk, and even if they were available, they would be hard to procure, accessible only to those with immense wealth, and unattainable for ordinary families.
Lady Zhang knelt on the ground, kowtowing several times toward the Fourth Prince, her face filled with gratitude as she said, "I thank the Fourth Prince."
The Fourth Prince's intervention provided much reassurance to Lady Zhang. After all, she was just a common woman, and faced with such a significant event, being at a loss was inevitable.
