That Soul-Seizing Lamp spirit had a fairly deep understanding of the Demon God Hall and the origins of the Nether River.
It also understood the grudges and entanglements between the Hall Master of Demon God and the Nether River Lord quite clearly.
The Nether River had already existed when the Nether Realm was first born.
The Nether River was one of the most important sources of power maintaining the Nether Realm's operation.
Thus, the Nether River's importance to the Nether Realm went without saying.
That was also the main reason why, no matter how the Nether River changed, it would automatically restore itself.
The Nether River of the past had been a hidden river completely concealed beneath the earth.
It was only later, after undergoing continual changes and absorbing ever more White Bone, that the Nether River gradually transformed.
Later, the Nether River Lord was even born—a mighty ruler capable of controlling the Nether River.
From that moment onward, part of the Nether River began emerging from its hidden underground space and exposing itself aboveground.
The reason for this was that, under the Nether River Lord's control, it wanted to actively absorb more White Bone from outside.
If the Nether River of the past had merely passively absorbed the bones and corpses of Nether Realm martial practitioners,
then, once part of the Nether River split off and became exposed aboveground, it changed from passive to active.
The incident in the Sky Beast Mountain Range, where White Bone emerged and devoured Nether Realm martial practitioners and Magic Beasts, had been the work of the Nether River Lord.
As for the Nether Realm martial practitioners, they could only instinctively feel fear when the Nether River Lord appeared.
This was not merely fear of the Nether River Lord's strength. It was also an