Residents of the City of Sin included surviving source energy users who had left the Wipers, Preservers, and even the Coalition, as well as others of unknown origin.

According to Tu Zi, these people were called source energy users because some of them weren’t affiliated with any faction and were only loyal to source energy, money, and weapons.

“Why would the Coalition let these people and this place exist?” Han Qingyu couldn’t wrap his head around it.

“Just like the normal world, our behind-the-scenes world also needs shadowy corners that accommodate the outlaws and outcasts. Not having it would just lead to greater chaos and destruction,” Tu Zi explained. “Of course, it’s not like that place is completely lawless. They have principles and codes that...