Ning went through many other planets, destroying the Constellations there, absorbing their energy. His energy was slowly increasing decade after decade, while his family traveled alongside him, visiting all those planets.
After a while, however, it began to become the same thing over and over, so they wished to return back to their home, where they would stay for a while before they visited the other places again.
Ning was a little saddened to hear that they didn't want to continue traveling with him, but that was fine for Ning. He had also been a little distracted these past few centuries with his work, so he could speed up what he wanted to do here and go to Crownus to help him with his System.
"Papa, don't forget. You promised me a planet," Emma said right before she was being sent back to Earth.
Ning sighed. "Yes, yes. I remember," he said. "I will get you that planet as soon as I find one that is suitable. If I don't find any in my journey, I will ask the system for one."