"Unfortunately, I also don't know what kind of failure Damian committed back then. My brother didn't tell me the details about it. He only told me that Damian failed at his job," Marc replied, his brows furrowed in disappointment.
His expression was a stark contrast to how Damian, who was in another place, grinned smugly after hearing Luca's question.
"As I said before, I was trying to create a vaccine and a cure for the virus back then. At that time, I was confident that I had succeeded in providing an effective cure, so I proudly invited the president to witness the testing in my laboratory. The infected person was lying on a bed in my laboratory, and I injected him with the cure I had successfully created. I confidently waited for the old man to be cured by the cure, but instead of being cured of his illness, the old man's body began to change. He became a creature that resembled a zombie today."
