According to Asa's description, the Supreme Will should be a corrupted and fallen Ancient God.
It's truly unbelievable to think that killing a fallen Ancient God could end the Black Fog polluting the world.
The most crucial point is that there is no inevitable link between purifying the higher Spirit Realm and killing a fallen Ancient God.
In the higher Spirit Realm, besides the Ancient Gods, there are also Old Dominators, Corrupt Kings, Black Fog Demons, and so on.
Only by eradicating all these terrifying entities can we gain control over the higher Spirit Realm, thereby achieving the final victory.
The Book of Knowledge has clearly told him this is the only path to see the light again and the very purpose of the Dream Realm's existence.
Since eliminating the first Black Fog Symbiont triggered feedback from the Black Fog Source, Rod clearly felt that what the Dream Realm was facing was not merely a singular target, but the entire world's rejection.
