The black market of Deepnight City was incredibly complex. According to Metalhand, it used to be a fortress that was built by the locals to resist fiends during the world calamity. The land all around had been bathed by fiend blood and covered in rotten fiend carcasses. As a result, their sinister essence seeped into the land and poisoned it, making it a difficult place for people to cultivate or deploy their psychic sense.0

The construction of Deepnight City began after the world calamity under rather unique circumstances. Not many people wanted to stay at the fortress permanently and it soon began to be treated as a lawless suburban area.0

Later on, large numbers of gangs and freemen took note of this plot of land that was free of psychic-sense surveillance. They gathered and cleansed the land...0