Blood, the most fundamental carrier fluid in the human body, transported nutrients, regulated body temperature and osmotic pressure under harsh conditions, and actively defended against invading bacteria and viruses.
There had once been research demonstrating that the fundamental reason early humans evolved from apes lay in an essential change to blood stem cells. Such evolution allowed blood to carry more nutrients, supporting the unique life-form known as humans, who walked upright and possessed high intelligence.
Yet in the human world, during the process of ordinary humans transforming into ghostly creatures, blood played a crucial role when humans suffering severe psychological trauma converted their inner negative emotions. Some humans depended less on blood, so after their souls mutated, they separated from their flesh and became spirit-type ghostly creatures.
However, when most humans mutated, they used blood as their vessel. Negative emotions mixed into the blood and flowed throughout the body, ultimately transforming them into Flesh-type ghostly creatures.
Gu Chen, the person throughout history who had attained the highest mastery over blood through opportunity and talent, had blood flowing through his body that had completely transcended humanity. It belonged to an absolutely higher species.
The power of his blood even made the role of the soul within his body seem less important.
Gu Chen's blood contained nearly every negative emotion. He had even acquired a death attribute entirely opposite to Blood Essence by absorbing Tong Wu, Yu Ming's former subordinate. All these impurities blended together, ultimately forming Gu Chen's demonic blood.
The Underworld had placed all its bets on Gu Chen. Whether it was the Jailer examination or the Jailer Marshal examination, it had infused all the demonic nature accumulated across the Underworld continent over tens of thousands of years into Gu Chen's body. Even if doing so might bring about the