The purplish light exuded from Huang Zheng's third soul ring seemed to be very gentle. However, a sinister aura slowly arose from it. His eyes turned blood-red and he let out a low-pitched whisper. With his body at the center, a layer of purplish-black light covered his surroundings to a diameter of thirty meters.

　　Darkness' Descent!

　　Huang Zheng's martial soul wasn't considered very strong among evil soul masters. It was called an Evil Servant, a strange human-shaped martial soul. According to the Holy Ghost Church, such a martial soul came from an avenging spirit after a human pa.s.sed away. When an avenging spirit was contaminated with the evil qi of heaven and earth, it would become a very special existence. It became an Evil Servant that could harm living things through its resonance with the evil qi of heaven and earth.

　　Once an Evil Servant entered the belly of a pregnant woman, this martial soul would be imprinted on the fetus' body. However, the pregnant woman would die during childbirth, and her blood would nourish this Evil Servant, which would slowly take form in the fetus' body.

　　However, Evil Servants weren't considered very strong among evil soul masters. They were even considered one of the weakest martial souls. It was vastly inferior to the Bone Dragon, Abomination, or Skeleton King. This was also the reason why Huang Zheng chose to be a soul engineer in the Holy Ghost Church, and not a pure evil soul master. He wouldn't excel as an evil soul master.