Shi Feiyang did not fight Cai De inside the tower. The Golden Ship was extremely unstable and could plunge back into the Water Eye at any moment, sinking even deeper toward Earth's Core than before.
This attempt to retrieve the treasures was merely a probe. His goal was not to obtain them, but to draw out the enemies who would come to stop him.
Thus, when he entered the pagoda's first floor, he did not completely destroy its seals. Instead, he preserved them as much as possible, opening only a doorway for himself.
The first floor also held many dagger-axes, spears, sabers, and swords. Most striking were nine ancient, unadorned swords: the Nine Palaces Divine Swords that the Yellow Emperor had used in his war against Chiyou. Following the numerology of the nine palaces and eight trigrams, the Yellow Emperor had forged them together as a set of demon-refining divine swords, corresponding above to the nine heavens and below to the nine regions.
Because these swords had been stained with Chiyou's blood, they rang day and night, giving off mournful howls. They disturbed even the Yellow Emperor's peace of mind, so he took them to Guang Chengzi for advice.
Guang Chengzi taught the Yellow Emperor to transmute them with a Returning Elixir and helped him refine the swords anew. Later, they were sealed inside the Golden Ship, with the declaration that when Chiyou revived in the future, these swords would have their use again.
In this world, Guang Chengzi was neither an incarnation of Supreme Lord Lao nor a disciple of the Primordial Heavenly Venerable. Like Chisongzi, Ning Fengzi, and others, he had served as an imperial preceptor to the sovereigns of ancient times. He was the most renowned among them, being the Yellow Emperor's teacher and held in the