As for the Yao family's own use of Spirit Rice, there is no need to worry. The Water Moon Saintess has long secretly assured that they will not let the Yao family lack Spirit Rice.
However, Yao Xingshu would not elaborate these gathered pieces of information to Prince Wen Yu. He is first and foremost a descendant of the Yao family's direct line, only then a subordinate of Prince Wen Yu.
In any Immortal or Sacred Dynasty, "family" always comes before "state." Ultimately, the Tianrui Imperial Lu Qiu Clan is merely a larger Sacred Race, essentially no different from these Prominent Families.
"Your Highness, as far as I know, even other major families, and quite a few Immortal King Mansions, are also switching to growing Spiritual Medicine; it's just a matter of scale," Yao Xingshu sighed. "No one expected that the grain price would become so unbearable."
