C881 Three Treasures
The higher the level of the Soul Altar, the harder it was to condense. This was an iron-like law.
Unfortunately, among the hundreds of Ancestors, there was only one mid-grade Soul Altar left. And among the ten thousand Ancestors, not even one would be able to condense a high-grade Soul Altar. From this, one could see just how difficult it was to find high-grade Soul Altar materials