Mystery: the Undertaker

This world is buried with many people and things. At that time, the ancient gods still walked on the earth, the ancient sun shone brightly on the world, and the crisis of annihilation outside the sky never left. This is the story of an ordinary person who survived and was promoted to an angel in the second era. This is the story of a God of Death assassinating his friend and his former master. This is the story of the God of Death connecting various remnants of the past in an attempt to recreate the glory of the old era in the Fifth Age. (The Fourth Age accommodated the tributaries of the River of Eternal Darkness, and established an empire in the Third Age. When major events occurred, the subordinates could wake up the protagonist to deal with it, and then in the Fifth Age, when the state basically improved, he was completely awakened by Russell, who was already an alchemist, during an expedition) In short, I will try my best to make the ending of the story better, such as Adam's final ending. I hope the ending of this story will be relatively happy (because some changes are impossible) The introduction is too weak, please move to the main text.