Omensent: Birth of a Dragon Lord (The Dragon Lord series Book 1)

In a wild, untamed world, the entire race of dragons were enslaved inside of a gemstone by a sadistic sorcerer. Four hundred years later, a child is born with the blood of dragons flowing in his veins! Cursed by his bizarre appearance, yet blessed with amazing gifts and abilities, he sets off to investigate rumors of a rampaging dragon, and to avenge his father's murder!