Chapter 439: Chapter 331: "Li Yi still hasn't changed this bad habit.

From their perspective, they could only see the lower half of the sphere, and even that was just a small segment.

"Oh, this thing."

Upon noticing Chen Yi and company's attention on the sphere, the tour guide spoke with some pride, patting his chest: "This is a significant invention by our Former Leader Li Yi. He named it the Gravity Ball."

"This one is number two."

"It runs through levels seven through nine."

"Just like this ball, there are a total of thirty buried beneath the entire Sky City."

"The purpose of these balls is to provide a continuous and stable counteracting force when the city sways, ensuring that, despite how much Sky City may appear to wobble from the outside, the ground of Sky City remains completely unaffected."

"You will get a clearer sense of this when you stand on the ground later."

"..."

With a slightly odd expression, Tuberculosis Rabbit remained silent. He seemed to understand, but he still had some questions.