Si Yuan solves the puzzle of the Ruins of Despair, not only allowing them to escape but also enabling Zhu Yan to master the Despair Blade of the Mu clan. Once free, Si Yuan makes the painful decision to save either Man Qing or Su Xuan. After learning the truth from the real Mu Xiu, Chang Ge begins to question his master. Qing Ci does what we can to keep Su Xuan alive. (Source: frankly at MyDramaList)