Two-Pronged Approach

"Purify... filth?"

Chu Mu slowly withdrew his Divine Sense. Spiritual Radiance still lingered in his eyes, and hesitation was plainly visible within them.

Though there were only a few hundred words, the contents recorded within were exceedingly complex.

The first concerned the method of purification. According to its records, this so-called filth referred to the traces left upon the Heart of the Secret Realm by the successive generations of Wang Family members who had controlled this secret realm over the past ten thousand years.

Such traces were naturally extremely difficult to erase.

It was like when he had refined the Demon Domain Heart years ago. Even now, he occasionally seemed able to sense that faint, elusive connection. Though it was difficult to trace the location of the secret realm through that connection, it undoubtedly proved that the True Demon had never cleared away the traces he had left upon the Demon Domain Heart.

Yet the secret realm before him was clearly wholly different from that Demon Domain Heaven and Earth.

After all, he, Chu Mu, was still alive and well. The traces he had left upon the Demon Domain Heart were not rootless streams.

But in this secret realm, those who had controlled it throughout the generations had either long reached the end of their lifespans and passed away, or perished alongside the collapse of the Langya Wang Family during the southwestern war of that year.

The sole controller remaining now was the Wang Family Old Ancestor, who was still only in the Golden Core Realm. Before two Nascent Soul cultivators, barring any surprises, his death was inevitable as well.

What Profound Sincerity Old Ancestor meant by using Heaven and Earth Spiritual Fire to purify the filth was to use the power of the world as reinforcement, allowing the Heaven