As soon as Li Sisi finished speaking, she stopped paying attention to Hong Tian, who was still in a daze, and walked slowly toward the direction of the Special Arts Hall. The Special Arts Hall. Xiao Yao and Bi Yuntao's fight had attracted quite a number of special gazes along the way. However, the two of them stopped here in a tacit agreement and stopped fooling around. After staying for a moment, Li Sisi and Hong Tian arrived. Then, the four of them entered the special technique hall together. The Special Skill Hall covered a large area, which was no less than a large stadium on the earth. As soon as they entered the special skill hall, the first thing that caught their eye was a four-two-meter-tall bookshelf, full of books. Looking at the label on each bookshelf, among the four book

