"To see what you're capable of. To test your limits..."
He flew through the sky at lightning speed, moving from one angle to another, firing off blasts as her shields shimmered or crumbled, pushing her to find the will to fight, because that was where the true power came from... a will to act, to win, to survive. In the end, even all of his martial training, all of his tactical knowledge: it was useless next to the ability to react in the heat of combat.
"To locate the source of your powers. You are a lovely gem, but the true prize is the Starheart."