These items, without exception, are extremely rare. If thrown into the market, they would all be outrageously expensive. However, due to low market demand, they couldn't be fully absorbed and could only be kept for personal use.
Guo Huai did a quick inventory. The production profession skill books and materials Nie Yan brought back would enable Asskickers United to cultivate a large number of high-tier production profession players, providing significant support to the guild.
Nie Yan's trip to the Ancient World had yielded incredible rewards. The value of these items was inestimable.
