Yu Ying Nan decides to destroy herself and the magic stone to protect everyone she loves. After the great battle, Bai Gu Yi decides to give Cang Xu Sect back to Shu Shan. Bai Gu Yi goes into the Echo Wall. Yu Ying Qi also goes into the echo wall, but he finds Bai Gu Yi back there. Yu Ying Qi makes a deal and gets sucked into the magic stone. Sixty years later he is awaken again and he saves Yu Ying Nan before she falls through the portal. (Source: jindreame at MyDramaList)