Ning Yanzhi somehow produced an empty wineglass, filled it with whisky, and handed it to Yu Jing.
"Finish this glass, and I'll tell you how about that? The question you asked requires a rather lengthy answer."
Yu Jing took the glass and downed the strong liquor in one gulp. "Go ahead."
"There is indeed a difference between ghostly entities. After all, we have the Dihua Ability Institute, a comprehensive platform for training us. Dihua lets us come into contact with ghostly entities suited to our physical ability levels. Generally speaking, ghostly entities are ranked by letters. The ones we face during physical training are the lowest-grade E-Class ghostly entities."
"Is A-Class the highest? How powerful is it?"
"In theory, yes. Their danger level is enough to threaten the safety of a medium-sized urban district, or even national security... Above A-Class are entities beyond S-Class. Of course, that isn't a field we can set foot in yet, so there's no point discussing it further. What we need to focus on now is 'potential,' or rather, 'growth potential.'"
"Potential? Growth potential?" This was the first time Yu Jing had heard such terms.
"They're easy enough to understand. Take ordinary disciples, for example. By working closely with them as instructors, you can observe each disciple's potential. Their rankings change with every test, and disciples with potential improve every time. That is what we mean by potential. As for those who have exhausted their potential, their results remain fixed at the same level forever."
"Different ghostly entities have completely different potential rankings. Under the unified system currently used by the world's anti-ghostly-entity forces, the rankings are: 'Inferior,' 'Common,' 'Superior,' 'Perfect,' 'Rare,' and 'Legendary.'"
"Superior... Interesting."
Yu Jing's memories were all properly organized. When Special Commissioner Liang had given him the sealed ghost orb of