First of all, the "Ancient Abyssal Existences" seemed no weaker than the "Frenzy of Flourishing" and the "Candle Lady." The two sides were very likely the peaks of two different types of existence.
Another point was that the "Ancient Abyssal Existences" had existed for far, far too long. The oldest history Su Xiao knew of was the "Ancient Era" of the Astral Realm, but he always felt that the Astral Realm's history should be even longer. Records concerning eras even older than that had probably long since vanished into the river of time.
Yet these "Ancient Abyssal Existences" might all be witnesses to those ancient eras. They had watched the changes of the Astral Realm from the distant reaches of the Abyss. The natural elemental power enveloping the Astral Realm made them unwilling to approach it.
One thing was certain: anything preserved by the "Ancient Abyssal Existences" was definitely a supreme treasure. The reason was simple. If it were not a supreme treasure, its "power of existence" could not have endured the passage of so many years.
What truly made Su Xiao feel that he had struck it rich was that these "Ancient Abyssal Existences" were actually interested in "ordinary Source Quality."
But thinking about it carefully, that seemed normal. There might be plenty of "Supreme Source Quality—Abyss Source Quality" in the distant reaches of the Abyss, but the environment there had an extremely low chance of condensing "ordinary Source Quality." Rarity created value.
These "ordinary Source Qualities," which contained various peculiar traits, were likely like trace substances required by the human body to the "Ancient Abyssal Existences." Of course, the "Ancient Abyssal Existences" could not absorb "ordinary Source Quality." At most, they would fall into slumber.
But if they could obtain "ordinary Source Quality," they would not mind paying