Immortal Samsara Season 1 Episode 37
Regain Memories
The three of them, including Yan Dan, reach Bone Mountain in the Life and Death Arena. They find Liu Wei Yang there. He admits that he was once the Demon King, Xuan Xiang. He regains his memories as Xuan Xiang after seeing an exact copy of his face under the veil in the Illusions of Demons.