C539 The Results of the Experiment for Three Months

On that day, Zhang Xing settled into the side hall of the Beast Hall Valley, deciding not to return to the headquarters' guest room. The back-and-forth was simply too inconvenient.

He was clueless about which pills to concoct. Poring over the knowledge in his mind, he pondered deeply.

"Many must know how to craft herbs that enhance a Demonic Beast's grade