At that moment, the first thing Zhang Tie did was swiftly toss the man he had killed into the Pool of Chaos in the Castle of Black Iron, thoroughly destroying the corpse and wiping out all traces. The disappearance of some human captives along with a slave overseer would only make the matter more baffling, making it harder for anyone to expose him.
As shrill whistles and shouts rang out outside, more and more people were roused. Hearing the chaotic clamor beyond the cave, Zhang Tie hurriedly ran out.
"All of you, come out and assemble... All of you, come out and assemble..."
A slave overseer was shouting outside. Zhang Tie saw many human captives being startled awake as well, hurrying out of their caves one after another. Taking advantage of the confusion and darkness, Zhang Tie blended into the large crowd of human captives jolted from their sleep, putting on a panicked expression as he ran along with them.
Having labored underground for so long, the vast majority of the human captives were blackened with grime, and many of their faces could not be seen clearly. Aside from the few captives beside him who glanced at him, none of the others noticed that there was one more person among them.
People died among the human captives here every day, and newcomers often arrived as well, so everyone had long since grown accustomed to unfamiliar faces. Besides, all of them endured intense enslavement every day. During their rest periods, the only little time they had left was spent searching for something to eat. This made most human captives' social circles extremely small. Other than the few people around them whom they knew, many might not even know more than a handful of others.
The entire underground complex was in utter