After night fell, Xiao Yan sat alone in the alchemy room, cross-legged.
After officially deciding to live here, Xiao Yan had inspected the entire residence and ultimately reached one conclusion: the most luxurious place in the whole estate was this alchemy room. He had unconsciously remarked, "As expected of a design by the Pill Tower." No one besides him needed to refine medicine, so this place naturally belonged to Xiao Yan.
At this moment, dozens of pill formulas lay before Xiao Yan, ranging from seventh-tier low-grade formulas to eighth-tier formulas. They filled the entire alchemy room. Most had originally been part of Yao Lao's collection, while a small portion had been acquired by Xiao Yan through chance encounters over the years.
The value of pill formulas was self-evident. When alchemists accepted commissioned tasks, they generally did not need to worry about medicinal ingredients, and the profits afterward were exceptionally generous. Pill formulas, however, often had to be supplied by the alchemists themselves, so their prices had always remained high within alchemist circles. In fact, quite a few alchemists whose abilities were already sufficient had failed to advance in the end because they lacked pill formulas and thus lacked practical experience.
Every pill formula was the best method distilled from countless experiments by those who came before. Some pill formulas that had changed hands even recorded improvements made by others, making them all the more valuable. Thus, to an alchemist, pill formulas were their most important treasures and the crucial foundation upon which they established themselves.
Xiao Yan had never worried about pill formulas over the years, mainly because Yao Lao's collection was simply too abundant. He had prepared almost every pill formula from the first tier to the eighth tier. When Yao Lao had parted from Xiao Yan, he had