The demon medicine that Jiang Ruofeng spoke of was a secret potion from the Demon World.
Once a human takes it, in the beginning, the person would feel revitalized as if they had become younger.
But after a year, the demon medicine dormant within their bodies starts to take effect.
They would crave raw blood and flesh. Their saliva, blood, and even the air they breathe, would become extremely contagious.
They would be more terrifying than the zombies depicted in TV shows and movies.
After all, most zombies lack intelligence, but they not only have the horrifying contagiousness of zombies but also retain human cleverness and wisdom.
The impending battle, as one could imagine, was guaranteed to be fierce!
Sikou Yao handed over the task of establishing the Spiritual Grass and Medicine Garden and the Wanshou Park to Bai Yan and Haitang.