Qing Ning, Thirty-Six Years and Eight Months. Though it was already time for lunch, Chu Mu had forgotten sleep and food, his expression solemn and focused as never before, as if he had sunk completely into the dozens of wooden boxes before him.
There were only twenty-eight wooden boxes, yet from noon all the way until dusk, Chu Mu had barely finished identifying them.
Several hours of extreme concentration should have left him utterly exhausted, but Chu Mu's bright eyes also proved that, at this very moment, his heart was clearly not calm.
Twenty-eight wooden boxes, twenty-eight medicinal herbs.
The oldest was a Qing Shao, as old as around seventy years.
Even the medicinal herb with the lowest age was around ten years old.
What did it mean to be priceless? The twenty-eight wooden boxes before his eyes were truly priceless! One had to know, in practicing medicine and using drugs, ordinary medicinal materials were used, and they basically all had a one-year growth cycle.
Even the medicinal formula he used to assist his cultivation of the Body Forging Art was made entirely from ordinary medicinal materials.
Before today, even if he had searched through every medicine cabinet in the entire pharmacy, he definitely would not have found a single medicinal material with any real age to it.
According to the descriptions in medical books, although the vast majority of herbs and plants could continue growing in defiance of their growth cycles, this growth was extremely exacting in regard to environment, climate, and all other related factors.
It could be said without exaggeration that every aged herb and plant gathered the fortune of heaven and earth!
He had once asked Old Li about his doubts regarding aged medicinal materials, and in the end, he had only received two words in