C778 5th Level of the Shocking Gate Pagoda

The watchman opened his mouth and said, "In each of the tubes in front of you, there is a letter. There is a clue written on the letter."

A clue? What clue?

Everyone was puzzled.

The watchman continued, "It is a clue related to the question that you want to know the most. From now on, until the ninth floor, you will see this bamboo tube on every floor