The Formation Orb divided into its yin and yang components and slowly merged with the realms of yin and yang before Lu Yun.

“It looks like the two tombs were based on the Formation Orb to begin with. Now that the real deal is here, it can naturally draw upon the power of the two sides to reassemble them.” He cracked a smile.

There were also myths about yin and yang tombs on Earth, but the planet was in the Degenerate Age and had almost no heavenly qi at all. [1]

The environment made it impossible for yin and yang tombs to take shape on the planet.

There were records of such tombs in his sect, but Lu Yun had still needed to identify the key relationship between the two tombs using both the Tome of Life and Death and the Formation Orb.

This...