As Su Yuan sat down to cultivate in earnest, ignoring everything around him, silence once again settled over the secret realm.
During his meditation, the formless, intangible Primordial Tribulation Qi within the secret realm gathered toward him, wisp by wisp.
As more and more Primordial Tribulation Qi accumulated, a pale gray crystal appeared before Su Yuan. It seemed to contain every color in the world, yet its final hue was neither black nor white, but gray.
This was Primordial Essence. Though it was only the size of a grain of rice, the moment it came into being, it began to warp the Dao Rhyme around it, trying to transform the area into its own domain.
Its domineering nature even astonished Su Yuan, the one who had brought all this about.
With a thought, he merged the Primordial Essence into his body and sent it into his dantian.
The Senluo Spiritual Root stirred at once. It extended a tendril, buried the Primordial Essence deep among its roots, and began refining it bit by bit at an unhurried pace.
As the Senluo Spiritual Root refined the Primordial Essence, the nature of the spiritual power it produced underwent subtle changes.
After a quick estimate, Su Yuan was delighted to discover that converting all the Tribulation Qi in this tomb into Primordial Essence would satisfy half of the Dao Essence he needed to advance to the Golden Core Realm.
This trip had been worth it.
Still, he knew this secret realm was unusual. The Primordial Tribulation Qi left behind in other secret realms was surely nowhere near as abundant.
He hoped the Primordial Tribulation Qi hidden in Jinhua Mountain Secret Realm and Dragon King Secret Realm would be enough for him to advance to the Golden Core Realm.
With a sense of urgency weighing