Bastian saw her ID card but didn't care. He didn't care what level she was or what her abilities were. He also didn't really care if she thought she knew how to escape. She really couldn't escape him if he didn't want her to. Right now, however, he had no vested interest if she escaped or not.
He frowned at her question and said, "Why I want to fight you?" Really, did he look like the fighting type? Besides, Sebastian hated when he got marks that he couldn't hid well.