C936 The Sky Bell Rang Mournfully!

Although the Heaven and Earth Sect's supreme treasure, the Book of the Universe, was only a top-grade Spiritual Treasure, it had boundless potential. If it could be fused into a sufficient number of Middle Worlds, it would be no worse than some Saint Weapons. It might even be better than them. Thinking about it, if one day, hundreds of Middle Worlds were added to one's body