C2132 Examinations!

After the incident concluded, Qi Xin and his companions resumed their vigil beside the Dead Dragon Sword. Yet, at that moment, not only Qi Xin but also the Divine Secret Guard were steeped in confusion. Why had the Dead Dragon Sword reverted to its 'sealed' state? How had Bai Yeh managed to wield the Dead Dragon Sword with such ease earlier? And why, after the battle's end