Xiao Yan looked at the eighteen medicinal herbs in his hands. Though satisfied, he also felt somewhat helpless. Over the past dozen days or so, he had gathered quite a few supplementary ingredients for various pills, yet he had not encountered a single treasure that could truly serve as the core ingredient of an eighth-tier pill—not once.
He had also more or less noticed something. Those truly important, high-grade medicinal ingredients had surely been gathered together or even hidden by the Pill Tower through some special means. Given the current situation, he had not heard even the slightest rumor, which meant that no one had likely discovered how to obtain them yet.
However, the Pill Convention was filled with clever people. Before long, some had begun organizing exchanges based on the requirements of this convention. Participants traded the medicinal ingredients they had obtained with one another. This small world contained countless low- and mid-grade supplementary ingredients, and anyone with decent strength had a batch of materials on hand.
Still, most people remained highly wary of others. The vast majority seemed to want to first find a secure location, gather a group of people, and only then conduct their trades. Xiao Yan could not help recalling his days in the Ten Thousand Beasts Space. However, the trading at this Pill Convention had arisen purely because of the changed rules and was far less mature and orderly than that of the Ten Thousand Beasts Space.
Xiao Yan had already tentatively selected several eighth-tier pills he might refine. Which one he would ultimately choose depended on what heavenly treasures he could obtain later to serve as the core ingredient. He now had a general idea of the supplementary ingredients he needed, and for many that he lacked or did not have enough of,