C135 Seven Stars Building
Lu Changfeng stayed in Biyun Peak's Peach Blossom Valley for eight days and spent two days coming back. When he returned to the Profound Moon Sect, it was exactly the tenth day.
Lu Changfeng didn't even have time to meet Chen Ruo Han and Huang Ying before he headed straight for the Skeleton Society's base camp, the Seven Stars' Chasm Cliff