It wasn’t far from Tianming’s guess. “How many nova source worlds does your star cluster have?” he asked.

“Oh not many, just ten thousand or so,” Ranran Zi smugly said. “Compared to lonely worlds like yours that’re off in some godforsaken place, my—”

Tianming gave him another slap to stop him from chattering.

“Can you get from one world to another in this cluster by flying yourself?” Tianming asked.

“More or less. They’re all pretty close and one or two months is enough for most. The more distant ones take a few years to get to by astralship.”

Tianming understood. Star clusters were areas with many nova source...