Upon hearing Yu Changqing's words, the Sum Emperor was once again stunned; he had not expected such grand ambition from these two.
Kill a Celestial?
In truth, he himself had never entertained such a thought, although he had acquired that weapon, he intended to use it as a trump card, or to intimidate the Celestials with it so that they wouldn't dare make their move against him.
After all, to use the weapon just once required a great deal of time to prepare, and it could only be used once in a short period.
If they could not achieve a one-strike kill, by the time the Celestials reacted, they would likely face a grim fate.
At that moment, the Sum Emperor looked into Yu Changqing's eyes and spoke, "Elder Yu, you couldn't be jesting with Us, could you?"