How I became a [Lich King]

My name is Lival. I was just a normal kid. Then, out of the blue, like a comet falling from the sky, I was chosen as a champion of Death and some Dragon, and now priests are hunting me. I'm now a [Lich-Prince], steadily becoming the most powerful being on the Continent. Oh yeah, and evil Dragons have awakened and want to destroy the world. I guess I have to deal with that.