After all, he was still thinking about the battle with Su Yu and couldn't let Su Yu escape.
He thought this would be a long journey, because even at ten thousand times the speed of sound, it's still too slow to travel in the universe.
Su Yu and the Ghost Emperor both intended to first check the conditions of the other planets in this star system before starting the fight.
They estimated that another planet, a hundred million kilometers away, wouldn't take much time to reach.
However, the two had flown for less than an hour, covering around tens of millions of kilometers, and still hadn't seen the other planet, and then it was gone.
The so-called "gone" meant that this "future" was no more.
Su Yu's consciousness suddenly returned from that future to the present.
This wasn't voluntary; it was passive.
He didn't continue to try but instead fell into deep thought.
