"I didn't know mortals had this great potential," Levi commented. "Perhaps, we should study them in more depth."
I looked at Olga, who was still walking towards Tamaki. "Can my servants also be as good as them, my lord?"
"I guess so. After all, their souls were former souls from the mortal. Energy is closely related to the soul. However, remember that Scarlet also has great potential if we talk about the same thing."
"I see." I sighed. I have to admit that these substitute servants are indeed more powerful than my usual servants.
***
Olga continued walking toward Tamaki without showing any fear at all. She stopped when she got so close to the red Demon, only inches away from him.
It made Tamaki bewildered. "Hey, how arrogant of you, mortal! You…."