Yu Xiyuan's invitation was ultimately declined by Qing Muling, who only agreed to consider it over time.
After all, from his position as the ruler of the Immortal Dynasty, the current strength of the Great Void was still somewhat lacking. Engaging with other powerful worlds too early would inevitably lead to losses.
Therefore, even though Yu Xiyuan and the forces behind her were indeed sincere, Qing Muling still planned to wait a bit longer.
After all, there would be plenty of opportunities in the future, and there was no need to expose the Great Void to the scrutiny of other great worlds prematurely.
