I'm Talking About Ghosts in the World, Slaying Evil and Killing Souls

(In her previous life, she burned everything, lit the soul lamp, and protected thousands of creatures. Now, she passes everything to the next life, just to burn out the World Tree and bring the world back on track.) The natural greed that seizes spiritual power causes the world barrier to break down, and the two worlds continue to fit together. Fortunately, there is no road ahead, and the birth of the World Tree has supported everything, but the price is the continuous extraction of resources. One side is extremely wealthy, like heaven, with various noble races appearing. One side is barren of resources, like a purgatory, with strange ghosts and ghosts appearing. Until the world tree died unexpectedly, exuding a fog that lost everything. Until a specific profession emerged - lamplighter. Each region has its own lamplighter. Once the lamplighter is lost, it will become a place of death until the next lamplighter appears. "I know the truth about this world, but..." "This is the only thing I can do..."