Nothing

Sera stared straight into David's eyes. He was really curious about what she would reveal to him now. Sera on the other hand tried to figure out how much she should tell him.

This secret was bigger than the rest, but since he already knew this much, she had no reason to keep anything from him.

With a few quick moves they both turned off their watches. When that was done she looked towards the sky and sighed.

"You have asked how the machine gets its power... Well, the answer is not too simple. As you know we have been working on this for the past year, but only about half a year ago had we made significant progress with the research."

David nodded along, he already knew about most of this. What he didn't know anything about was the actual research.