The Journey to Medieval Empire Dominance from Scratch

This is a medieval background and alternate history to the world. In this continent called Qinor, the male protagonist Solov started from running a caravan, then became a bounty hunter and mercenary. Through military merit, he was awarded titles and lands, became a noble, and gradually reached the pinnacle of power... To becoming a self-proclaimed king, then to establishing a huge empire and proclaiming himself emperor, and finally unified the entire continent.