She can make a Shadow Clone

Naruto shrugged. "No idea."
Setsuna sighed. "Of course you don't know." Naruto gasped when she made the all-too familiar hand sign. "Kage Bunshin no Jutsu."
"You know the drill," Setsuna told her clone, who nodded before disappearing ninja-style. Then she turned to the pointing, gaping Naruto. "What now?"
"You-you know Kage Bunshin?"
Setsuna rolled her eyes. "Yes, the fact that I used it just now certainly proves that I do, in fact, know Kage Bunshin no Jutsu." Aware that her sarcasm-laden answer did not satisfy the boy (he hadn't even stopped pointing at her), she expanded her answer.