The moment Shen Yuan entered this stretch of spacetime, he had instinctively assumed it was merely an illusion.
But as he conversed with the Water Gods and the Yunmeng Dragon Lord, as he truly witnessed the Profound Yellow Realm as it had been ten thousand years ago, Shen Yuan began to realize that this was no ordinary illusion.
As for the possibility that the Yunmeng Dragon Lord's power had sent Shen Yuan back ten thousand years into the past, the thought had only arisen for an instant before Shen Yuan swiftly dismissed it.
If the Yunmeng Dragon Lord truly possessed the mighty power to traverse ten thousand years of spacetime, he would long since have ruled over the waterways of the Profound Yellow Realm and trampled the Four Seas Dragon Kings beneath his feet.
How could he have vanished for thousands of years, allowing the Yunmeng Great Marsh Waters to dry up and become the present-day Dongting Lake?
Having ruled out those two possibilities, few answers remained. Yet what truly convinced Shen Yuan that this was the Yunmeng Dragon Lord's dream was the Yunmeng Dragon Lord's subsequent conduct.
With effortless ease, the Yunmeng Dragon Lord had seen through the conspiracy of the Left and Right Turtle Ministers, the Twelve Water Gods, and the Thirty-Six Raging Wave Generals. As though gifted with foresight, he had sensed every danger.
Even the appearance of the Jidu Grand Heir had been entirely within the Yunmeng Dragon Lord's grasp.
Most importantly, after the Jidu Grand Heir appeared and sought to speak with the Yunmeng Dragon Lord, the Yunmeng Dragon Lord had cut him off.
"You needn't waste your breath on that nonsense. I've heard it far too many times."
The Yunmeng Dragon Lord had been far too familiar with all of this, as though he