In a High grade World where the strong killed the weak as they please. Fu was only a common Butcher, but one day he met an injured Alchemist that he saved. After 200 years, from when he became the Alchemists student to now, where he was known as the infamous Butcher Alchemist Fu that stood at the peak of this World has unexpectedly died while fighting a dragon in an Ancient Ruin over a book. After that. He woke up in a different body, in a Low grade World, with a dragon corpse and the book he died for. Will he surpass his past life or will he die along the journey?