A brief pause in the journey as she decides which path would be quicker.
Nova is, at this point in the story, the absolute best swordsperson- to be politically correct. Her technique is flawless, compensating for her medium strength and speed. She loses to Lucas once, only because the best weapon craft of the time has produced her a blade far inferior to his semi-ancient sword breaker.
As far as story goes, she's got a personal vendetta out for Dirt; it's almost more of an obsession though and it tends to destroy her social life every time she begins to live normally.