The third box held a magical treasure, the Sin Soul Banner.
This treasure was exceptionally unusual. Both its pole and its banner were extraordinarily long, but in its shrunken state, it looked like a hairpin.
Li Xiao took out the Sin Soul Banner and immediately dripped blood onto it to claim ownership.
As he refined the Sin Soul Banner, Ai Rong slowly explained, "The Sin Soul Banner is a penal treasure. It can imprison ghosts and command them, but its imprisonment isn't permanent. Instead, it sentences ghosts according to their karmic burden. The heavier their karma, the harsher their sentence. Once a ghost has served its sentence, it can break free of the Sin Soul Banner's control on its own and regain its freedom."
Just then, Li Xiao finished refining the Sin Soul Banner. With a thought, he made it expand instantly. He gripped its pole in one hand, and the banner immediately wound around his body.
He discovered that the banner could lengthen or shorten entirely at his mental command. It actually combined offense and defense.
"The dean searched the academy's entire treasury before finding this one treasure that met your requirements. What do you think?" Ai Rong asked with a smile, watching Li Xiao extend and retract the banner at will.
Li Xiao smiled. "I'm very satisfied with this treasure. Teacher, sorry for the trouble, but please thank the dean for me when you return."
"As long as you're satisfied. If you weren't, the dean would probably have to go out and find a suitable treasure especially for you." Ai Rong sighed in relief.
Fengdu Academy owed Li Xiao an enormous favor this time. No matter how excessive his demands were, as long as fulfilling them was possible, the academy would spare no effort.
Afterward, Ai Rong lingered