To advance an innate divine power, the prerequisite was the cultivator's own mastery of laws.
Chen Nianzhi had originally planned to begin advancing his innate divine power, Primordial Unity Qi, into the realm of Heaven-Opening divine powers after mastering five rules.
Now, however, it seemed he could go a step further and further perfect this divine power while advancing Primordial Unity Qi.
At this thought, Chen Nianzhi could not help but mutter, "If I truly accomplish this step, this divine power will likely possess the might of the Profound level."
Unlike the classification of divine powers in the Purple Yin Realm, divine powers in the Immortal Domain were divided by their might into seven grades: mundane, exquisite, unorthodox, orthodox, profound, sect leader, and supreme.
Divine powers below the immortal rank were generally known as mundane divine powers.
The divine powers cultivated by immortals generally fell within the exquisite grade. A small number of powerful immortals cultivated divine powers that transcended the ordinary and could reach the unorthodox grade.
Even most ordinary Earth Immortal patriarchs, such as Setting Sun Patriarch's Setting Sun Moon-Shading Hand, possessed roughly unorthodox-grade power.
The orthodox-grade divine powers above that were all exceedingly rare and powerful. If an ordinary mid- to late-stage Earth Immortal patriarch could cultivate even one, it would be enough to serve as a trump card guarding their foundations.
Sun Princess possessed an extraordinary inheritance and had opened the sixth heaven. The Great Sun Cosmic Sweep she cultivated could also be considered an orthodox-grade divine power, though it still needed to be cultivated to the Great Accomplishment realm before it could be considered complete.
Chen Nianzhi's Grand Five-Element Pure Yang Divine Thunder and Grand Five-Element Pure Yang Divine Radiance were both incomparably difficult to cultivate and could be considered orthodox-grade divine powers. The Great