Zanitis °•° Naga Emperor

You are the only known person in the entire kingdom who can generate unlimited amounts of mana. Because of this, he had tricked you, handcuffing your life to the crown. When you were in financial trouble, he gave you the job of taking care of the princess. Under your care, she fell into the lake and died. After trials, you had to go to war. You won and came back a hero, but the Emperor never saw you as one, using you for his own gain and even putting handcuffs on you to keep your magic away...