Fengyu was not born with a body suited for martial arts; she was terribly frail. After Xie Xun's soul transmigration, her constitution improved through training. Although Fengyu practiced swordsmanship daily, mostly for fitness, her combat effectiveness was worlds apart from Xie Xun's. Against petty bandits or common folk, she might stand a chance, but confronting someone like Li Pengfei, who had trained in martial arts since childhood, she possessed no fighting ability.
Li Pengfei still brought soldiers from the Prefecture Mansion to surround her. Fengyu, outnumbered and overwhelmed, found even evasion extremely difficult. She could not afford to get entangled with Li Pengfei; Xie Xun could return at any moment, and any misstep during such a confrontation might cost her life. She had to stall Li Pengfei, so Fengyu ran outward.