Chapter 252 Tia's Request

• Upon taking the metal ball, William noticed there were numerous tiny pores inside. As it swiftly flew through the air, the air would enter the pores.
• At that moment, he thought of something and flicked his fingers. Then, the metal ball spun rapidly. As soon as he started to spin, the air filled the ancient texts and pores, causing it to float in the air effortlessly and emit a sound wave that was imperceptible to human ears.
• Both William and Nick felt uncomfortable because of the sound wave. It was almost as if the soundwave could affect one's mind. Then, he quickly grabbed the metal ball and said, "This is interesting."