The Extreme Yang Land was where pure yang gathered. Its formation was related to the Solar Star in the sky, and it could only form in places touched by sunlight. Legend had it that where the Fusang Tree grew was the greatest Extreme Yang Land in the world, and also the place where the sun rose.
Therefore, Extreme Yang Lands were mostly distributed across the surface. After so many years of development in the Cultivation World, unclaimed Extreme Yang Lands had become scarce, while those with histories of over ten thousand years were rarer still. Most were occupied by powerful factions.
The one within Demon-Hidden Gorge was rather special. Only a small opening was exposed aboveground, while its Pure Yang Power was primarily stored beneath the surface.
Reincarnation True Monarch had discovered it by chance. At that time, this Extreme Yang Land already had a history of over ten thousand years, meaning it was at least twenty thousand years old by now.
Extreme Yang Lands often gave birth to pure yang treasures, and this place was no exception. When Reincarnation True Monarch discovered it, he had harvested a great many pure yang treasures, but not all of them, as some had yet to finish forming.
And that was Song Changsheng's true purpose. Pure yang treasures were rare, and rare things were precious.
Beyond their inherent value, pure yang treasures could greatly advance his cultivation, helping him take that crucial step—using the Yin-Yang Law to enter the Yin-Yang Great Dao.
Benefiting from the potent effects of the Dao Comprehension Pill, his understanding of the Yin-Yang Law had reached Great Perfection long ago. Through constant refinement, it had steadily approached its utmost limit, yet he was always short of breaking through that final layer by a sliver. Thus, he had no choice