The name of this article wasn't revealed in the novel and instead was given by editors of the wiki as substitute for lack thereof.
It was created by Immortal Emperor Min Ren. He gave it to Nine Saint Virtuous Paragon for his accomplishments as Min Ren's dao protector.
Nine Saint Virtuous Paragon sealed it in the Saint Cavern.
Millions of years later, Li Qiye opened the Saint Cavern and Immortal Emperor Life Treasure was retrieved and stored by the Nine Saint Demon Gate.
Around two years later, Leng Chengfeng — Nine Saint Demon Gate's strongest disciple — participated in the exploration of the Evil Infested Ridge. He tried to ingratiate himself to Azure Mysterious Ancient Kingdom's Heavenly Prince and promised to bring this Immortal Emperor Life Treasure to the Ridge to assist him.
Links 4 Appearance(s) of Min Ren's Immortal Emperor Life Treasure (Nine Saint Demon Gate)