What does all that even mean? Nebula engineering? Performing miracles? Rhea'li's expression remains pleasant and placid even as most of his thoughts are filled with ???

But the mention of not having made money before gives him a mild prick of worry for Crowley.

"If you've never made money," and it seems like he at least has a grasp of what currency and a paying job is, "then how did you manage your necessities?"