Chapter 4683: Chapter 308 The Future Will Be Even More Exciting

The spirit controlled by Tang Zhen was formed from the abnormal fluctuations of spiritual energy of innocent citizens who were killed by the ghouls.

Because their deaths were so tragic, they were filled with anger and resentment, and their resentment continued to grow.

They will automatically become ghouls, bewitching ordinary people and causing them to willingly enter the ghouls' lair.