Azula gave a slight nod at the question about royalty. She was, as a matter of fact, and proud of her lineage. That he made no further reaction to her being from the Fire Nation was curious. However, Ba Sing-Se was, for the most part, unaware of the war, so it wasn't impossible that another set of islands with currency she'd never seen before might be equally separate from the matters.

"I'm more familiar with metal as well, driven by steam, as well." The ships of the Fire Nation were her home, the things she knew so well. Still, sailing wasn't something completely foreign. "Though these seem to be solid in their construction, I would say."