Blood and Bone Tempering Road

In my previous life, I worked hard as a cow or a horse, but I was still hanging around at the bottom. When he opened his eyes again, Jiang Li traveled to the world of immortality. He was penniless, owed a lot of debt, and faced a desperate situation. Fortunately, he had a torn book that he brought when he traveled through time, where he could refine his blood essence, temper his body, and extract magical powers for his own use. I was a cow or a horse in my previous life, will I still be a cow or a horse in this life? No, in this life - he will be a butcher. Starting from the murder of loan sharks, until one day, the whole world of immortality spread: Don't mess with that man named Jiang Li, his body is harder than magic weapons, his magical powers are more than monsters, he is not a human being...