C64 What Is There in the Flying Cloud Tower?

What was there in the Flying Cloud Tower? Why did those people walk out of the Flying Cloud Tower in a completely different manner? Why did Ruan Lang look so weak after walking out of the Flying Cloud Tower?

Peng Gengkun was very curious about this, but no one could answer him.

Fortunately, it was now Peng Gengkun's turn to ascend the Flying Cloud Tower