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 is an ancient lamp that Li Qiye found in the Wooden Nest in the Prime Ominous Grave's Wood Realm.
In the Water Realm's Sea of Stars, the lamp absorbed black flames from the Dark Star.
Before going to the Tenth World Li Qiye left it to Worldguard True God.
Its flame can even refine scraps from the Myriad Thoughts Pot (one of the Nine Grand Heavenly Treasures).
Links 8 Appearance(s) of Lamp from the Wooden Pavilion