Yeah, Aurora is a little afraid of using her powers in combat.
When she was in school, she was really mad (at that time she couldn't control her powers) She was yelling and the teacher was trying to calm her down. Her powers had been dormant for a while but they just burst, the whole classroom filled with ice and all the windows shattered, a student was hit in the head and was knocked unconcious, that was the day Aurora stopped going to school.