Because Qing Er hit Jinshan Temple with double swords and Fahai, and gained the upper hand.
Qing Er and Yang Ye are the best sword shows. But really speaking, Qing Er is a little better than Yang Ye. Yang can't beat sword domain. Later, in Sword, Qing Er said that if you don't want to live. Yang Ye and Xiaoyao will be killed by her. So it is still Qing Er, that is to say, the fate is more severe.