Sikong Lan looked up at the hidden door on the ceiling, hesitated, and said, "Three, right? B, A, B."
"That's not correct."
Zhang Fulu was about to say "it's two" when he suddenly realized something.
Reference frame!
If he uses himself as a constant reference frame, when he rode the cloth and ascended to the upper stone chamber, he saw Li Cheng and Sikong Lan magnified 14 times.
Meanwhile, the upper stone chamber also had cloth descending, which from Zhang Fulu's perspective, was magnified 196 times!
If Zhang Fulu hadn't returned to the lower stone chamber earlier but had ridden the cloth magnified 196 times to continue ascending, he would have reached the upper-upper stone chamber.
One layer, two layers, three layers, endlessly.
"...it's infinite."
A glimmer flashed in Zhang Fulu's eyes, "The stone box's side length is half a meter, the length of the hidden door at the top is less than a palm, there's no way to squeeze through,
