Victorious Fighting Buddha had forged a Treasure Pagoda from the will of all living beings to trap the Great Sun Tathagata and then unleashed the fury of Buddha, blasting the physical body of the Great Sun Tathagata apart, whose Primordial Spirit Thoughts were now being refined into liquid, and subsequently collected by Victorious Fighting Buddha into a gourd he held in his hand.
This Primordial Spirit Thought of a Heavenly Dao Saint was enriching and contained certain Heavenly Dao Laws, extremely useful for cultivation, and if consumed by characters like Nether River, achieving sainthood might not be improbable. However, how many in this world could refine a Saint's thoughts effortlessly? Moreover, a Saint's thoughts were remarkably resilient; even the true essence of the sun or the Tushita purple fire from the Grand Supreme might not necessarily manage to refine them.