Black Fog

Fana paused and looked ahead. She said, "The rifts in the City of Darkness are extremely difficult to deal with, but it's still alright. Very few unknown creatures appear from the rifts in the City of Darkness. It's one of the least dangerous types."

"After observing the rift for a few years, the Federation adjusted the danger rating to the lowest level and designated the area around the rift as a forbidden area."

"There are special strength fluctuations in the City of Darkness area. Any communication and energy perception will be blocked after entering the area. This is extremely special."

"After that, the criminals discovered that the perception barrier could avoid a lot of trouble, so they all carried out some shady transactions in the rift area."

"As more and more people gathered, several small forces jointly established an underground trading point there. It is widely known as the City of Darkness."

Fang Heng understood.