Chapter 798: Chapter 500: Return_3

Xu Yang cut off his distracting thoughts, focused entirely, and dedicated himself to comprehending the Imperial Mansion Heavenly Decree Book.

This was a Great Dao Decree, alongside the Nine Heavens Profound Mechanism a single skill and method, constituting the foundational essence of the Mysterious Heaven Sword Sect.

It was like a key, possessing endless possibilities, even capable of unlocking "Cosmic Secrets, Great Dao Treasury!"

As long as your comprehension is sufficient, you could understand everything from it, be it Elixir Skills, Talisman, Artifact Skills, Formation, or other Spells, even up to Supreme Daoist Divine Abilities.

Ren Baimei was an example, he consecutively comprehended Swordsmanship, Artifact Skills, and Formation from this Tusita Divine Edict, achieving the status of Sword Dao True Immortal and Instrument-Array Dual Perfection of the Eighth Order.