"Damn it." Lu Sheng cursed inwardly. He was certain Jie La Te had no reason to deceive him. Then why had he already returned to the Heavenly Devil World while Xi Ning, a World King, was still on the road? "However, I observed that several high-energy worlds downstream of the Mother River in the Heavenly Devil World seem to be experiencing abnormal fluctuations. Their frequency is somewhat similar to the one you mentioned," Ban Sai added hesitantly.
"Several high-energy worlds downstream?" Lu Sheng suddenly thought of a possibility.
"That's right. As the Void Spirit World King, Xi Ning probably can't enter the universes within the Mother River whenever he pleases. He would inevitably be blocked by the Mother River's inner wall and the Existence Power Alliance protecting it. He certainly won't have it as easy as I did."
"Then how could he rapidly invade the Heavenly Devil World?" Lu Sheng thought for a moment, and memories from the Super Energy Universe swiftly supplied the answer.
—Using other universes as stepping stones.
Within the Heavenly Devil Universe, quite a few big shots liked descending everywhere and plundering resources from neighboring worlds.
And those plundered worlds were all small universes far weaker than the Heavenly Devil World.
These small universes possessed far less protection and drew far less attention than the Heavenly Devil World, yet they were deeply connected to it.
If Xi Ning used those Small Worlds as stepping stones to conceal his purpose, then he truly had a great chance of secretly entering the Heavenly Devil World.
"Contact Yin E Shi Jia now. Immediately check whether there are any remaining traces in the surrounding universes," Lu Sheng asked swiftly.
Ban Sai closed his eyes, while Lu Sheng slightly loosened the frozen time and space around them.
Before long, Ban Sai