He was blinded by the emperor when he was chosen to be the emperor's flower's musician, which only the emperor is allowed to see. He hides his despair over losing his sight, and the death of his father, under a burning desire for revenge against the emperor and his flower.
I am slightly tempted to try one of my mages too because there is quite a few OCs on the EMP post but I really want to try a blind character and a snake natural soul would be perfect for Harang, so he's still my top choice