A Strange Encounter with Primitive Man: I'm the True Blood Ancestor

Come to think of it, this should be my second time transmigrating. In my previous life, or rather, the life before that, I was an utterly ordinary person. In my last life, I became the supreme powerhouse of a fantasy world and broke through to become its one and only Great Emperor. Unfortunately, even Great Emperors die. I thought that would be the end of me, but I never expected to be reborn once again, and in a world I knew so well…