Chapter 301.2
“Another reason why it wasn’t so widely used was because it was so inefficient,” Alber continued. “The source of the magic is a person’s energy. It was hard to maintain a perfect human form if it meant risking your life.”
“Are you saying that Sang-je is using his life force to keep his form?”
“Yes.”
He had originally planned to use Alber as a decoy. He would control her and make her do what he wished to do. But Alber considered how evil could spread with the monster controlling her ever move. So, she offered an alternative: That she would let him act human by using his magic to keep himself going.
She expected him to drain his life force eventually. But that wasn’t what happened.
“He was a much greater monster than I could have predicted,” she explained. “He must be one of the first larks to have been summoned because his life force seems to be endless. Aside from that, his true form is in deep sleep which means he uses less energy than he needs to. And…”
Eugene looked at her expectantly, waiting for her to finish what she was saying.
“I’m not sure,” Alber said tentatively. “But it would seem like his life force is recharging somewhere else. But if that’s the case, there’s no way for me to find out.”
The younger woman was silent for a moment, then she asked, “Where is his true form?”