The Immortal Prophecy Series by Tijans Books

I’m held captive. I’m being tortured daily. They want what is inside of me, but the problem is that they don’t realize what they want or how wrong they are. My power is unknown to the world. I am a mythical creature to the supernatural. So what happens when my power is released? When it takes over me? When I become the worst nightmare they never imagined? They're going to find out. Everybody's about to piss their pants, because the Immortal is coming.