Li Yun of course knew of the Dragon Emperor.
Having spent so much time with Zhuo Fan, the person he mentioned most was the Dragon Emperor.
Moreover, from Zhuo Fan's tone, it was evident that he held the Dragon Emperor in high respect and trust, as if the Dragon Emperor's return could save the world.
At first, she did not quite understand and inadvertently showed contempt for the Dragon Emperor.
After all, she came from the Cultivation World, while Earth was merely a mortal planet.
It wasn't that she looked down on everyone, it was just an undeniable fact that Earth did not compare to the Cultivation World.
She thought that the Dragon Emperor Zhuo Fan spoke of was nothing special, believing that Zhuo Fan revered him only because Zhuo Fan hadn't encountered a true powerhouse.
Because of her thoughtless remark at the time, Zhuo Fan got very angry, ignored her for three days, and in the end said their values did not align and wanted to break up.