Inside the castle, Amber Xiu looked at a pile of bones soaking in nutrient solution and nodded with satisfaction.
The Bone-Growing Virus had been perfectly injected into the bones. Once they finished soaking in the nutrient solution, they would be able to repair themselves continuously and keep growing for a long time.
"Well done. You're almost qualified to run a laboratory on your own."
Amber Xiu's praise did nothing to cheer Isabelle up. The poor girl had dark circles under her eyes, and she could barely stay on her feet.
There were many steps, but the experiment itself wasn't difficult. The only problem was that it was dangerous.
Isabelle hadn't dared make a single mistake during the experiment, terrified that if she got infected with the virus, Amber Xiu would turn her into an undead.
The more nervous she got, the greater the strain on her mind. After pushing through a day and a night, Isabelle felt completely drained. She could barely stand.
"I... I'm going to rest..."
Isabelle staggered toward her room. Amber Xiu stroked his chin, wondering if he should just turn her into an undead. Human bodies needed food, water, and bathroom breaks, which made them terribly inefficient.
But on second thought, he decided against it. Undead had their advantages, and humans had theirs.
Besides, Isabelle would die eventually, in a few decades. There was no need to rush.
Turning to the bones soaking in the jars, Amber Xiu gathered a large amount of magic around him. Pale blue energy coalesced into hands and floated beside him.
More than a dozen Mage Hands swiftly and methodically got to work.
One bone after another was taken out and assembled according to Amber Xiu's design.
These weren't human bones. They came from a creature known as an Underground Los