Su Chen deliberately provoked Qu Yunyun. He knew that in a martial arts duel, one's state of mind is paramount. With three Advanced Creation Realm cultivators before him, he could not afford any accidents; he needed to eliminate them with 100% efficiency.
Women, in particular, are most sensitive about their appearance.
Completely incensed, Qu Yunyun lost all control over her rage and lunged directly at Su Chen. Yet, the moment she struck, Su Chen preempted her.
Chapter 100