[Judging from the information you had seen, even among the other long-established Ten Directions Heavens, not all could produce "Supreme Dao Pioneers" (the Three Pure Heavens' collective term for beings capable of refining Creation Supreme Treasures, referring to existences already able to blaze new paths for the hundred arts)...]
[After arriving at the essence qi pit, you and the Snow Emperor had more or less finished marveling at the Spatial Teleportation Matrix. Then, drawing on the Phoenix Divine Mark and the Life Law, you began applying the portion of the forbidden art Swallow Profound Yellow Three Five Qi concerning innate essence qi to the excavated qi aperture...]
[In the 1,088,085th year, it took you 502 years to complete the first forced extraction. This extraction demanded the greatest painstaking effort, mainly because you had to clear away the mixed qi at the very top of the essence qi pit. Truly pure essence qi made up only a little over half of it, yet you forcefully extracted 576 strands of innate essence qi from within.
Of those 576 strands of innate essence qi, only 165 were Three-Ring Dao Grade or above. Seven were Five-Ring Dao Grade or above. Your luck was fairly good—you even obtained one strand of Six-Ring Dao Grade Innate Wood Essence, enough to pay Lei Wanhe half of the remaining balance first.]
[Though this was a method of cutting off the roots, it could indeed bring enormous returns in the short term. If you collected it slowly, who knew how many years it would take to obtain such gains, or how much manpower it would require...
After the forced extraction, you examined the qi aperture and ultimately confirmed that the damage from this extraction was considerable. The interval would need to be roughly three to five hundred thousand years.