"What kind of illness does your empress mother have?"
"When she was pregnant with my second younger brother, she was poisoned by someone in the palace. My brother could not be saved, and her health was shattered as well. All these years, she has relied on nourishing medicines to strengthen her physique. Ordinary medicines are easy to find, but there is one medicinal ingredient—worth ten thousand gold per drop—that is exceptionally rare."
"What is it?"
Chapter 68