Inside one of the rooms of the Palace Tree, which covered more than two thousand square meters, all manner of bottles, jars, glassware, and laboratory equipment filled the space in dazzling profusion—nearly several hundred sets in all, arranged in orderly rows. Various liquids of every color sat inside some of the bottles and glass vessels, and some of them were even bubbling at that very moment...
Some of the bottles, jars, and glass vessels even contained intact body organs from Devil Race Knights and specimens of Devil Race Warriors, soaking within them.
Inside some specialized laboratory vessels, several strangely colored, bizarre Corpse Poison Miasmas drifted like ghosts through sealed spaces, slowly corroding chunks of flesh and bone...
The place looked somewhat gloomy and terrifying, but if a voodoo Pill Master or a scholar engaged in microbial research came here, their eyes would surely light up, feeling as though they had arrived in paradise.
This was the microbial evolution laboratory of the Castle of Black Iron. Its equipment might not have differed much from that of other similar laboratories, but thanks to the Castle of Black Iron's special abilities, this microbial evolution laboratory was undoubtedly the finest in the entire human race.
After obtaining Heller, Zhang Tie had completely handed over the evolution management of all living creatures and species within the Castle of Black Iron to him. Zhang Tie himself almost never asked about it, merely waiting for the results.
Zhang Tie had almost never visited this microbial evolution laboratory. This was his first time here.
Just now, Zhang Tie had been cultivating in his room aboard the flying boat when he received a message from Heller saying that he had something important to show him. Only then had Zhang Tie returned to the Castle of Black Iron.
Even when