C8914 Poison Demon's Blood Essence

Indeed, the pills they were using now were created by the Alchemist by accident.

Some of the Alchemists were not strong in the Pill Tao, so they could only refine a limited number of pills.

Even if they only refined a limited number of pills, sometimes, due to the wrong sequence of the Source Plant, or the wrong amount of pills, the pills would be wasted.

In the countless mistakes