Curufin chuckled affectionately. "I guess I can't stop you from worrying. And to me, empathy seems the most valuable superpower of all."

He paused to think about his answer. "The point of the Voidtrecker Express is to journey through the Void and go to worlds that are in trouble, and try to help the people there. Sometimes these worlds have called for help from any Voidcraft that is available, and sometimes the train just seems to have an intution about where we're needed."