Within the castle, Amberser looked at a pile of bones soaking in nutrient solution and nodded in satisfaction.
The Bone Proliferation Virus had been perfectly injected into the bones. After soaking in the nutrient solution, these bones would be able to self-repair and grow continuously for an extended period.
"Well done, you are nearly qualified to independently control a laboratory."
Amberser's praise didn't bring joy to Isabel. The poor girl, with dark circles under her eyes, was swaying as if she might collapse at any moment.
Although the process was complex, the experiment wasn't difficult; the only problem was the danger.
Isabel dared not make any mistakes during the experiment, fearing that if she contracted the virus, Amberser would turn her into an undead.
The more tense she was, the greater the mental strain. Having stayed up for a day and a night, Isabel felt thoroughly exhausted and could barely stand.
"I… I'm going to rest now…"