Time Travel: the Abyss Comes

This is the Tianyuan world. In the human world, clans of humans and gods compete with each other. There are demon kings fighting each other. There is a demon god from the abyss watching with eager eyes. There is chaos and disorder in the ghost world. I came from outside the world, but the world was hostile and hunted endlessly. However, the people and gods I killed were bloody, the demon corpses were everywhere, the demon abyss surrendered, and when the ghost world was shattered, I found that the memories of my previous life were not mine. Who am I? What am I? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.