Fate's Unraveling

Full title: Scales of Fate's Unraveling 

Scalanis is the eldest son and prince of a flourishing elven kingdom called Silverdale. Life is going beautifully for him, but little does he know that a trusted advisor plots against him and his family. And after making a deal with a demon, gains a demonic artifact filled with power. The advisor curses Scalanis, knowing that doing so will end his chances at being heir to the throne. 

Now it's a race against time for Scalanis and his companions to break his curse before he completely turns into a dragon.