Elder Yun, the Guardian Elder of the Sun Peak, Yun Gang.
"When did you realize he was missing?" Duan Lingtian asked calmly, his expression completely unruffled.
"Three days ago, Sect Master, you had us and Elder Yun take men to the north side of Tianwu Peak to excavate a 'place of cultivation', so we temporarily separated from Elder Yun... Now that I think about it, we haven't seen Elder Yun since then."
Chapter 1155