Dr. Isaacs watched the vial in his hand as the serum began to evaporate, and he knew at once it was no fake.
Yet what kind of person was Xiaotian? According to intelligence reports, he was nothing more than a god of slaughter, a brute in Dr. Isaacs's eyes, entirely devoid of brains.
"People learn," Xiaotian said. "For ten years, I've killed monsters every day in this world while researching a cure at the same time. To put it bluntly, my research was missing just one step, and this cure holds the key to that very step."
Chapter 173