Xiao Yao's line of thought was not wrong. Since no breakthrough could be found within the incident itself or anywhere on Canglan Continent, it could only be related to external forces from a higher dimension.
Chen Yang and Yang Lingqing likewise approved of her idea.
But the problem now was that after Yang Lingqing arrived, Chen Yang had already contacted Xu Cang, the Canglan Immortal Intent.
The latter could confirm that, aside from Nangong Jinghe, no other cultivators from the Void Realm had secretly crossed into the lower realm.
Moreover, based on the sensory investigations it could conduct, the fluctuations coming from beyond the Void Realm remained as they had always been, with no signs of any large-scale battles or conflicts.
This more or less ruled out the possibility of Treading Void experts from the Void Realm disturbing the lower realm.
Seeing that the worried expressions of the two elders had yet to disperse, Xiao Yao knew that her direction was broadly correct, but she had still failed to strike at the heart of the matter. She began pondering once more.
This time, she thought for longer, and the factors she considered were more comprehensive.
Yet after carefully unraveling the threads one by one and still gaining nothing, a word of advice she had often heard from her elders in the past flashed through Xiao Yao's mind.
"There are always people beyond people, and heavens beyond heaven... Right! That's it!"
Seizing upon that spark of inspiration, Xiao Yao spoke again. "Immortal Venerable, Patriarch, could this matter be connected to people from the true heavens? Not Void Realm cultivators born in Canglan, but true great powers from foreign domains in even higher heavens!"
At those words, Chen Yang and Yang Lingqing's gazes sharpened.
When the two had discussed this matter before,