C309 Oneness of Nature and Man

In other words, the Primordial Spirit Appearance Mantra was a special product produced by the convergence of the soul and the body's Profound Qi.

One could become a golden pellet for a Worldly Immortal Stage expert, or even break through the primordial spirit to form a magic core, or even form a magic core to make it look like a mustard seed. It had endless uses