Begin Martial Arts and Become a Saint from Rebirth

As soon as he opened his eyes, Zhang Yichen found that he was reborn. Under the prosperous age of the Jin Dynasty, undercurrents are actually surging. There are rebels inside who want to subvert the world, and there are demons spying on the world outside. There are dangers everywhere! Fortunately, there is a proficiency panel in this life, and you can improve your progress as long as you put in the effort. From [iron sand grinding] to [gold and jade bone forging], Zhang Yichen took one step at a time, starting from a humble situation and moving forward alone. Suddenly looking back, he realized that he had created his own legend!