Chapter of the Olden Days

I exist in the darkness and disappear in the light, and I will eventually devour the great sun and turn into the shadow of all things... The Indescribable Black Horror; The King of Shadows; The Dark Sun; The Ever-Present Shadows of the World, currently was still just a somewhat special ordinary person who was facing a strange game... Unique Element: A rare type of novel where the MC ends up as an eldritch abominable creature. From the author of Soul of Negary